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Front of House Mixing Consoles
4 BUS MIXING CONSOLE
WITH USB I/O & 24BIT DIGITAL EFFECTS
1

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  • Page 1

    Front of House Mixing Consoles

    4 BUS MIXING CONSOLE
    WITH USB I/O & 24BIT DIGITAL EFFECTS



  • Page 2

    Safety Instructions/Consignes de sécurité/Sicherheitsvorkehrungen

    WARNING: To reduce the risk of fire or electric shock, do not expose this unit to rain or moisture. To reduce the hazard of electrical shock, do not remove cover or
    back. No user serviceable parts inside. Please refer all servicing to qualified personnel.The lightning flash with an arrowhead symbol within an equilateral triangle,
    is intended to alert the user to the presence of uninsulated "dangerous voltage" within the products enclosure that may be of sufficient magnitude to constitute
    a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and
    maintenance (servicing) instructions in the literature accompanying the product.
    Important Safety Instructions
    1. Please read all instructions before operating the unit.
    2. Keep these instructions for future reference.
    3. Please heed all safety warnings.
    4. Follow manufacturers instructions.
    5. Do not use this unit near water or moisture.
    6. Clean only with a damp cloth.
    7. Do not block any of the ventilation openings. Install in accordance with the manufacturers instructions.
    8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
    9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type
    plug has two blades and a third grounding prong. The wide blade or third prong is provided for your safety. When the provided plug does not fit your outlet,
    consult an electrician for replacement of the obsolete outlet.
    10. Protect the power cord from being walked on and pinched particularly at plugs, convenience receptacles and at the point at which they exit from the unit.
    11. Unplug this unit during lightning storms or when unused for long periods of time.
    12. Refer all servicing to qualified personnel. Servicing is required when the unit has been damaged in any way, such as power supply cord or plug damage, or if
    liquid has been spilled or objects have fallen into the unit, the unit has been exposed to rain or moisture, does not operate normally, or has been dropped.
    ATTENTION: Pour éviter tout risque d’électrocution ou d’incendie, ne pas exposer cet appareil à la pluie ou à l’humidité. Pour éviter tout risque d’électrocution, ne
    pas ôter le couvercle ou le dos du boîtier. Cet appareil ne contient aucune pièce remplaçable par l'utilisateur. Confiez toutes les réparations à un personnel qualifié.
    Le signe avec un éclair dans un triangle prévient l’utilisateur de la présence d’une tension dangereuse et non isolée dans l’appareil. Cette tension constitue un
    risque d’électrocution. Le signe avec un point d’exclamation dans un triangle prévient l’utilisateur d’instructions importantes relatives à l’utilisation et à la maintenance du produit.
    Consignes de sécurité importantes
    1. Veuillez lire toutes les instructions avant d’utiliser l’appareil.
    2. Conserver ces instructions pour toute lecture ultérieure.
    3. Lisez avec attention toutes les consignes de sécurité.
    4. Suivez les instructions du fabricant.
    5. Ne pas utiliser cet appareil près d’une source liquide ou dans un lieu humide.
    6. Nettoyez l’appareil uniquement avec un tissu humide.
    7. Veillez à ne pas obstruer les fentes prévues pour la ventilation de l’appareil. Installez l’appareil selon les instructions du fabricant.
    8. Ne pas installer près d’une source de chaleur (radiateurs, etc.) ou de tout équipement susceptible de générer de la chaleur (amplificateurs de puissance par
    exemple).
    9. Ne pas retirer la terre du cordon secteur ou de la prise murale. Les fiches canadiennes avec polarisation (avec une lame plus large) ne doivent pas être modifiées. Si votre prise murale ne correspond pas au modèle fourni, consultez votre électricien.
    10. Protégez le cordon secteur contre tous les dommages possibles (pincement, tension, torsion,, etc.). Veillez à ce que le cordon secteur soit libre, en particulier à
    sa sortie du boîtier.
    11. Déconnectez l’appareil du secteur en présence d’orage ou lors de périodes d’inutilisation prolongées.
    12. Consultez un service de réparation qualifié pour tout dysfonctionnement (dommage sur le cordon secteur, baisse de performances, exposition à la pluie, projection liquide dans l’appareil, introduction d’un objet dans le boîtier, etc.).
    ACHTUNG: Um die Gefahr eines Brandes oder Stromschlags zu verringern, sollten Sie dieses Gerät weder Regen noch Feuchtigkeit aussetzen.Um die Gefahr eines
    Stromschlags zu verringern, sollten Sie weder Deckel noch Rückwand des Geräts entfernen. Im Innern befinden sich keine Teile, die vom Anwender gewartet
    werden können. Überlassen Sie die Wartung qualifiziertem Fachpersonal.Der Blitz mit Pfeilspitze im gleichseitigen Dreieck soll den Anwender vor nichtisolierter
    “gefährlicher Spannung” im Geräteinnern warnen. Diese Spannung kann so hoch sein, dass die Gefahr eines Stromschlags besteht. Das Ausrufezeichen im gleichseitigen Dreieck soll den Anwender auf wichtige Bedienungs- und Wartungsan­leitungen aufmerksam machen, die im mitgelieferten Informationsmaterial näher
    beschrieben werden.
    Wichtige Sicherheitsvorkehrungen
    1. Lesen Sie alle Anleitungen, bevor Sie das Gerät in Betrieb nehmen.
    2. Bewahren Sie diese Anleitungen für den späteren Gebrauch gut auf.
    3. Bitte treffen Sie alle beschriebenen Sicherheitsvorkehrungen.
    4. Befolgen Sie die Anleitungen des Herstellers.
    5. Benutzen Sie das Gerät nicht in der Nähe von Wasser oder Feuchtigkeit.
    6. Verwenden Sie zur Reinigung des Geräts nur ein feuchtes Tuch.
    7. Blockieren Sie keine Belüftungsöffnungen. Nehmen Sie den Einbau des Geräts nur entsprechend den Anweisungen des Herstellers vor.
    8. Bauen Sie das Gerät nicht in der Nähe von Wärmequellen wie Heizkörpern, Wärmeklappen, Öfen oder anderen Geräten (inklusive Verstärkern) ein, die Hitze
    erzeugen.
    9. Setzen Sie die Sicherheitsfunktion des polarisierten oder geerdeten Steckers nicht außer Kraft. Ein polarisierter Stecker hat zwei flache, unterschiedlich breite
    Pole. Ein geerdeter Stecker hat zwei flache Pole und einen dritten Erdungsstift. Der breitere Pol oder der dritte Stift dient Ihrer Sicherheit. Wenn der vorhandene Stecker nicht in Ihre Steckdose passt, lassen Sie die veraltete Steckdose von einem Elektriker ersetzen.
    10. Schützen Sie das Netzkabel dahingehend, dass niemand darüber laufen und es nicht geknickt werden kann. Achten Sie hierbei besonders auf Netzstecker,
    Mehrfachsteckdosen und den Kabelanschluss am Gerät.
    11. Ziehen Sie den Netzstecker des Geräts bei Gewittern oder längeren Betriebspausen aus der Steckdose.
    12. Überlassen Sie die Wartung qualifiziertem Fachpersonal. Eine Wartung ist notwendig, wenn das Gerät auf irgendeine Weise, beispielsweise am Kabel oder
    Netzstecker beschädigt wurde, oder wenn Flüssigkeiten oder Objekte in das Gerät gelangt sind, es Regen oder Feuchtigkeit ausgesetzt war, nicht mehr wie
    gewohnt betrieben werden kann oder fallen gelassen wurde.



  • Page 3

    Instrucciones de seguridad / Istruzioni di Sicurezza
    PRECAUCION: Para reducir el riesgo de incendios o descargas, no permita que este aparato quede expuesto a la lluvia o la humedad. Para reducir el riesgo de
    descarga eléctrica, nunca quite la tapa ni el chasis. Dentro del aparato no hay piezas susceptibles de ser reparadas por el usuario. Dirija cualquier reparación al
    servicio técnico oficial. El símbolo del relámpago dentro del triángulo equilátero pretende advertir al usuario de la presencia de “voltajes peligrosos” no aislados
    dentro de la carcasa del producto, que pueden ser de la magnitud suficiente como para constituir un riesgo de descarga eléctrica a las personas. El símbolo de
    exclamación dentro del triángulo equilátero quiere advertirle de la existencia de importantes instrucciones de manejo y mantenimiento (reparaciones) en los
    documentos que se adjuntan con este aparato.
    Instrucciones importantes de seguridad
    1. Lea todo este manual de instrucciones antes de comenzar a usar la unidad.
    2. Conserve estas instrucciones para cualquier consulta en el futuro.
    3. Cumpla con todo lo indicado en las precauciones de seguridad.
    4. Observe y siga todas las instrucciones del fabricante.
    5. Nunca utilice este aparato cerca del agua o en lugares húmedos.
    6. Limpie este aparato solo con un trapo suave y ligeramente humedecido.
    7. No bloquee ninguna de las aberturas de ventilación. Instale este aparato de acuerdo a las instrucciones del fabricante.
    8. No instale este aparato cerca de fuentes de calor como radiadores, calentadores, hornos u otros aparatos (incluyendo amplificadores) que produzcan calor.
    9.

    No anule el sistema de seguridad del enchufe de tipo polarizado o con toma de tierra. Un enchufe polarizado tiene dos bornes, uno más ancho que el otro.
    Uno con toma de tierra tiene dos bornes normales y un tercero para la conexión a tierra. El borne ancho o el tercero se incluyen como medida de seguridad.
    Cuando el enchufe no encaje en su salida de corriente, llame a un electricista para que le cambie su salida anticuada.
    10. Evite que el cable de corriente quede en una posición en la que pueda ser pisado o aplastado, especialmente en los enchufes, receptáculos y en el punto en
    el que salen de la unidad.
    11. Desconecte de la corriente este aparato durante las tormentas eléctricas o cuando no lo vaya a usar durante un periodo de tiempo largo.
    12. Dirija cualquier posible reparación solo al servicio técnico oficial. Deberá hacer que su aparato sea reparado cuando esté dañado de alguna forma, como si
    el cable de corriente o el enchufe están dañados, o si se han derramado líquidos o se ha introducido algún objeto dentro de la unidad, si esta ha quedado
    expuesta a la lluvia o la humedad, si no funciona normalmente o si ha caído al suelo.
    ATTENZIONE: per ridurre il rischio di incendio o di scariche elettriche, non esponete questo apparecchio a pioggia o umidità. Per ridurre il pericolo di scariche
    elettriche evitate di rimuoverne il coperchio o il pannello posteriore. Non esistono all'interno dell'apparecchio parti la cui regolazione è a cura dell'utente. Per eventuale assistenza, fate riferimento esclusivamente a personale qualificato. Il fulmine con la punta a freccia all'interno di un triangolo equilatero avvisa l'utente della
    presenza di "tensioni pericolose" non isolate all'interno dell'apparecchio, tali da costituire un possibile rischio di scariche elettriche dannose per le persone. Il punto
    esclamativo all'interno di un triangolo equilatero avvisa l'utente della presenza di importanti istruzioni di manutenzione (assistenza) nella documentazione che
    accompagna il prodotto.
    Importanti Istruzioni di Sicurezza
    1. Prima di usare l'apparecchio, vi preghiamo di leggerne per intero le istruzioni.
    2. Conservate tali istruzioni per una eventuale consultazione futura.
    3. Vi preghiamo di rispettare tutte le istruzioni di sicurezza.
    4. Seguite tutte le istruzioni del costruttore.
    5. Non usate questo apparecchio vicino ad acqua o umidità.
    6. Pulite l'apparecchio esclusivamente con un panno asciutto.
    7. Evitate di ostruire una qualsiasi delle aperture di ventilazione. Posizionatelo seguendo le istruzioni del costruttore.
    8. Non posizionatelo vicino a sorgenti di calore come radiatori, scambiatori di calore, forni o altri apparecchi (amplificatori compresi) in grado di generare calore.
    9. Non disattivate la protezione di sicurezza costituita dalla spina polarizzata o dotata di collegamento a terra. Una spina polarizzata è dotata di due spinotti, uno
    più piccolo ed uno più grande. Una spina dotata di collegamento a terra è dotata di due spinotti più un terzo spinotto di collegamento a terra. Questo terzo
    spinotto, eventualmente anche più grande, viene fornito per la vostra sicurezza. Se la spina fornita in dotazione non si adatta alla vostra presa, consultate un
    elettricista per la sostituzione della presa obsoleta.
    10. Proteggete il cavo di alimentazione in modo che non sia possibile camminarci sopra né piegarlo, con particolare attenzione alle prese, ai punti di collegamento
    e al punto in cui esce dall'apparecchio.
    11. Staccate l'apparecchio dalla alimentazione in caso di temporali o tempeste o se non lo usate per un lungo periodo.
    12. Per l'assistenza, fate riferimento esclusivamente a personale qualificato. È necessaria l'assistenza se l'apparecchio ha subito un qualsiasi tipo di danno, come
    danni al cavo o alla spina di alimentazione, nel caso in cui sia stato versato del liquido o siano caduti oggetti al suo interno, sia stato esposto a pioggia o
    umidità, non funzioni correttamente o sia stato fatto cadere.

    Copyright 2009 - Samson Technologies Corp.
    Printed March, 2009 v1
    Samson Technologies Corp.
    45 Gilpin Avenue
    Hauppauge, New York 11788-8816
    Phone: 1-800-3-SAMSON (1-800-372-6766)
    Fax: 631-784-2201
    www.samsontech.com



  • Page 4

    Table of Contents
    Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
    L1200 And L2000 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
    Controls And Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 -10


    Input Channel Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3



    24bit Digital Effect Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6



    Master Auxiliary Send Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7



    Graphic Equalizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8



    USB I/O Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8



    Meter Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9



    Group Output Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9



    Main Output Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

    L1200 And L2000 Input And Output Connections . . . . . . . . . . . . . . . . . . 11-12
    Using The Usb I/o . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14


    Getting Started With Windows XP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14



    Getting Started With Mac OS X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15



    Recording From The L Series’ USB I/O . . . . . . . . . . . . . . . . . . . . . . . . . . 16



    Playing Back From The L Series’ USB I/Oo . . . . . . . . . . . . . . . . . . . . . . . . 16

    L1200 And L2000 Wiring Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
    Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
    Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19



  • Page 5

    Introduction
    Perfectly suited for recording, live sound
    reinforcement and commercial installations, the
    L1200 and L2000 mixers are ideal solutions that
    offer plenty of inputs, sweet sounding effects and
    studio quality sound in a convenient package.

    Congratulations on your purchase of the Samson
    L1200 or L2000 mixing console! The L1200 and
    L2000 are twelve and twenty channel, true four
    bus consoles, with USB input and outputs in
    ergonomically correct, attractively appointed
    enclosures. The L Series include professional
    features such as high quality mic pre amplifiers,
    3-band, swept mid EQ and 4 auxiliary buses.
    Connecting all your microphones and instruments
    is simple, with eight mic/line inputs plus two
    additional stereo channels on the L1200, and
    sixteen mic/line inputs plus two additional stereo
    channels on the L2000. In addition, each console
    has two extra mic preamplifiers on the stereo
    channels, bringing the total number of mic inputs to
    10 on the L1200 and 18 on the L2000. There are also
    dedicated stereo effects returns for the onboard
    digital effects. And the effects! You can add one of
    100 dazzling digital studio quality effects, which
    include Delays, Chorus, Flanging, and of course,
    lush Reverbs to your vocals or instruments using
    the onboard 24-bit multi-effects processor. It’s
    easy to dial up your favorite effects preset with the
    large seven-segment LED display. Plus, the L Series
    auxiliary buses are extremely flexible when it comes
    to monitor mixes and effects sends with a total of
    four sends available. Both mixers feature two pre
    fader aux sends for two monitor mixes and a third
    aux send that includes a Pre/Post switch to use as a
    third monitor mix or an external effects send, plus a
    dedicated post fader EFX send for the internal DSP.
    The L series consoles also feature a sophisticated
    onboard USB digital interface allowing you to record
    and playback digital audio from virtually any PC
    running most any recording software. The flexible
    routing option lets you assign the USB output to
    send the signal from the Main stereo mix, or use
    the aux sends to record a completely independent
    mix. The L1200 and L2000 will give you clean, clear
    sound reproduction thanks to the advanced circuit
    topology, high quality components, low noise
    discrete microphone preamps and super clean,
    low impedance mix bus design. The super-tough
    steel construction ensures reliable, high quality
    sound from venue-to-venue and performance-toperformance day in, and night out.

    In these pages, you’ll find a detailed description
    of the features of the L Series consoles, as well
    as a guided tour through its control panel, stepby-step instructions for its setup and use, and
    full specifications. You’ll also find a warranty card
    enclosed—please don’t forget to fill it out and mail
    it in so that you can receive online technical support
    and so we can send you updated information
    about these and other Samson products in the
    future. Also, be sure to check out our website (www.
    samsontech.com) for complete information about
    our full product line.
    With proper care and adequate air circulation,
    your L-Series mixer will operate trouble free for
    many years. We recommend you record your serial
    number in the space provided below for future
    reference.
    Serial number: _________________________
    Date of purchase: _______________________
    Should your unit ever require servicing, a Return
    Authorization number (RA) must be obtained before
    shipping your unit to Samson. Without this number,
    the unit will not be accepted. Please call Samson
    at 1-800-3SAMSON (1-800-372-6766) for a Return
    Authorization number prior to shipping your unit.
    Please retain the original packing materials and if
    possible, return the unit in the original carton and
    packing materials. If you purchased your Samson
    product outside the United States, please contact
    your local distributor for warranty information and
    service.

    



  • Page 6

    L1200 and L2000 Features

    The Samson L1200 and L2000 consoles are
    comprehensive and great sounding, making them
    the ideal choice for a variety of live sound and
    recording applications. Here are some of their main
    features:

    connected easily using the available 48 Volt
    Phantom Power.
    • Each of the L1200 and L2000’s mono mic / line
    channels feature Gain control, Low Cut filter, a
    three-band equalizer with variable mid-range
    control enabling you to tailor the tonal response
    of each input, and a convenient Insert Point jack
    to patch in external effects.

    • The L1200 and L2000 are twelve and twenty
    channel mixers in ergonomically correct, tabletop enclosures providing easy to see and easy to
    operate front panel controls.
    • Ample inputs, the L1200 has eight mic/line inputs
    plus two stereo line inputs, while the L2000
    features sixteen four mic/line inputs plus two
    stereo line inputs. Plus dedicated stereo returns
    for the onboard effects.

    • The L Series has 4 auxiliary sends. Two dedicated
    pre -fader aux sends for monitors, plus a third aux
    send that can be set up to be either a monitor
    send or an effects send using the Pre/Post switch,
    and an additional EFX send for sending to the
    internal multi-effects processors.

    • Two additional mic preamplifiers on the stereo
    channels brings the total number of mic inputs to
    ten on the L1200 and eighteen on the L2000.

    • Twelve segment LED Meters which can be
    switched to display Main left and right or PFL and
    Solo.

    • On board, bi-directional USB interface for
    recording to a computer based Hard Disk system.
    The Output routing can be selected from MAIN
    mix or AUX 1 - 2, and the Input routing can be
    from the MAIN mix or last stereo channel.

    • The brilliant sound quality is achieved thanks to
    the advanced circuit design, utilizing low-noise
    operational amplifiers and low impedance busing.
    • Durable steel enclosure is road tough insuring
    reliable performance from night to night and
    venue to venue.

    • Custom designed, smooth feel 60mm faders on
    all channels, buses, mono and left and right main
    outputs.

    • Three-year extended warranty.

    • The L series have 24-bit DSP (Digital Signal
    Processor) multi-effects processors with 100
    selectable presets offering dazzling studio quality
    effects including Reverb, Delay, Chorus and
    Flanging.
    • The L Series mixers feature high-quality, lownoise, discrete microphone pre-amplifiers that
    can accept signals from most any standard
    microphone. Condenser microphones are

    



  • Page 7

    Controls and Functions
    Mono Inputs

    Stereo Inputs

    INPUT CHANNEL SECTION
    The following section details each part of the L1200
    and L2000’s INPUT CHANNELS including the LOW
    CUT, 3-BAND EQ, the MONITOR and EFX sends, PAN,
    GAIN and VOLUME controls.
    1 – PEAK LED
    The L1200 and L2000’s MIC/LINE pre-amp also
    includes a PEAK LED which, when illuminated,
    indicates that the input signal is near overload.
    2 - GAIN Control Knob
    Each of the L1200 and L2000 channel’s pre-amp
    stage has a variable GAIN control to help set a clean
    level. The Mic/Line inputs’ GAIN control has a range
    of -6 to -50dB on the MIC input and +14 to -30dB on
    the LINE input. The Stereo inputs’ GAIN control has a
    range of -10 to -50dB on the MIC input and +20 to
    -20dB on the LINE input.

    1
    2
    3

    4

    3 - LOW CUT Switch
    Each of the L Series’ channels include a LOW CUT (or
    high pass) filter which rolls off the low frequencies
    from 75Hz and below at the rate of 18dB per octave.

    5

    Auxiliary Buses ( 4 - 7 )
    The L Series include several auxiliary signal paths,
    or buses, that can be used to create independent
    mixes for sending to the internal or external effects
    processors, or to an external monitor system.
    These buses start by sending the signal from each
    individual channel, which is set with one of the
    auxiliary control knobs. Then, the mix of all the
    channels auxiliary level is ultimately sent to either
    an internal effects processor, or to an output jack to
    connect to an external effect or monitor system. To
    help you control your effects and monitor mixes, the
    L series has four auxiliary buses, with switching to
    give you a possibility of 2 monitor mixes with two
    effects sends, or 3 monitor mixes and one effects
    send.

    6
    7

    8

    9
    10

    PRE….? POST….? What’s That?
    In order to operate your mixer correctly, it is
    important to understand the concept of PRE and
    POST fader sends. An auxiliary bus that is set up
    as PRE Fader routes, or sends, the signal to its
    output from a point in the channels’ circuit that is
    electronically before the channel Fader. That means
    the channel Fader has no effect on the PRE aux
    level. A Pre Fader send is what you want to use for
    a monitor mix, so when the level is changed for the
    mix in the main PA speakers using the channel Fader,
    the level in the monitor set by the aux control

    11
    12
    13
    14

    15

    1 to 24 on the L2000
    1 to 16 on the L1200

    25/26 to 31/32 on the L2000
    17/18 to 23/24 on the L2000

    



  • Page 8

    Controls and Functions
    INPUT CHANNEL SECTION - continued
    knob remains the same. An auxiliary bus that is set
    up as POST Fader routes, or sends, the signal to its
    output from a point in the channels’ circuit that is
    electronically after the channel Fader. That means
    that the channel Fader also affects the level of a
    POST aux send. A POST Auxiliary bus is what you
    want to use (almost always) for sending to an effects
    processor, either internal or external. When using
    the POST aux sends, (while turning the channel
    Fader up or down) the level of effects will track the
    channel level correctly.

    7 – EFX- Post Fader Send
    The L series provide high quality, 24 Bit digital
    effects, and the level of effects can be set
    independently on each channel. The channel’s
    EFX knob controls the amount of signal that is
    sent to the EFX bus feeding the internal DSP effect
    5
    processors.
    8 - Channel Equalizer - Mono Channels
    The L1200 and L2000 mic/line input channels
    incorporate a 3-band, swept-mid equalizer
    allowing you to adjust the high,6mid-range, and
    low frequencies independently on each channel.
    The frequency centers, range of boost or cut, and
    equalizer type for each band are described in the
    following section:

    4 – AUX 1-2 Pre Fader Send
    Each of the L series’ input channels include a pair
    of Pre Fader Auxiliary sends; AUX 1-2 and their
    control knobs adjust the amount of that channel’s
    signal that is sent to the AUX 1-2 Output. The signal
    feeding AUX 1-2 is sent before, or pre, the channel
    Fader, so the channel Fader has no effect on the
    AUX 1-2 output levels. The AUX 1-2 buses are usually
    used to create a separate mix for a floor monitor
    system.

    7

    HF (HIGH FREQUENCY) 12kHz +/- 15dB Shelving
    type
    The channel’s HIGH frequency response is flat when
    the knob is in the “12:00” position. Rotating the
    knob towards the right will boost the channel's high
    frequency response at 12 kHz by 15dB, and rotating
    it towards the left will cut the high frequency by
    15dB.

    5 – AUX 3 Pre/Post Fader
    Each of the L series’ input channels include an
    Auxiliary send (AUX3) which can switch from Pre to
    Post sends; AUX 3 and their control knobs adjust the
    amount of that channel’s signal that is sent to the
    AUX 3 Output. Aux 3 can be configured for pre or
    post fader send using the PRE/POST switch (6). The
    AUX 3 bus is usually used to create a separate mix for
    a floor monitor system, but you can set the Pre/Post
    switch to Post to use the send as en effects bus to an
    external processor.

    MF (MID FREQUENCY) CUT & BOOST
    The MF knob is used in conjunction with the
    FREQ knob to create the tonal shape in the midrange frequency when using the mono channel’s
    equalizers. You can adjust the frequency on the
    mid-range control with the FREQ knob, and use the
    MF control to either boost or cut that frequency by
    plus or minus 15dB. The channel’s MID frequency
    response is flat when the MF knob is in the “12:00”
    position.

    6- PRE/POST switch
    The PRE/POST switch is used to select the point that
    the AUX 3 bus uses to send the signal. When the
    PRE/POST switch is set to PRE, the signal feeding
    AUX 3 is sent before the fader, so the channel Fader
    has no effect on that level. This is the normal setting
    when using AUX 3 as a monitor send. When the PRE/
    POST switch is set to POST, the signal feeding AUX
    3 is sent after the fader, so the channel Fader has an
    effect on that level, meaning the Aux level tracks up
    and down with the channel Fader. This is the normal
    setting for using AUX 3 as an effects send, since in
    most applications when you set the channel louder
    you want the effect to get louder too. When you
    move the Channel Fader up or down the level of
    effects will track the channel level correctly.

    FREQ (MID FREQUENCY) Variable 100Hz – 8K
    The FREQ is a control enabling you enhanced
    capabilities in the tonal shaping of the input channel
    signal. Thanks to the FREQ control, you have a
    variable mid-range equalizer, allowing you to pin
    point the exact frequency you want to boost or cut.
    The MID SWEEP has a “fixed Q” of two octaves (the
    amount, or width, of frequencies

    



  • Page 9

    Controls and Functions
    11 - SOLO/PFL (Pre Fader Listen) switch
    The Mono Input channel’s PFL, or Pre Fader Listen
    switch allows you to listen, or “solo” a channel or
    group of channels in the headphones. When the
    SOLO/PFL switch is pressed down, either mono PFL
    or stereo SOLO is sent to the headphones. To listen
    to the PFL, press the Meter Select switch, located
    below the VU meter, down to select PFL. To hear the
    stereo SOLO, the meter switch must be in the up
    position.

    INPUT CHANNEL SECTION - continued
    around the center point that are affected by the MID
    CUT & BOOST control) and can be set in a range from
    100Hz to 8Khz.
    LF (LOW FREQUENCY) 80Hz +/- 15dB shelving
    type
    The channel’s LOW frequency response is flat when
    the knob is in the “12:00” position. Rotating the
    knob towards the right will boost the channel's low
    frequency response at 80 Hertz by 15dB, and rotating
    it towards the left will cut the frequency by 15dB.

    12 - 1-2 Group Assign switch
    The 1-2 Group assign switch is used to assign the
    input channel to the 1-2 Group output bus.

    8 - Channel Equalizer - Stereo Channels
    The L1200 and L2000 Stereo input channels feature
    a 4-band equalizer allowing you to adjust the high,
    mid, and low frequencies independently on each
    channel. The stereo channel equalizer is laid out like
    a mono input on the control panel input strip, but
    internally, the equalizer is affecting a stereo signal
    path. The channel’s frequency response is flat when
    the knobs are in the “12:00” position. Rotating the
    knob towards the right will boost the corresponding
    frequency band by 15dB, and rotating it towards the
    left will cut the frequency by 15dB. The frequency
    centers, range of boost or cut, and equalizer type for
    each band are as follows:

    Note: The Group output follows the channel’s PAN
    control, so if a channel is panned all the way to the
    left it will only feed Group Output 1. Conversely, if a
    channel is panned all the way to the right, it will only
    feed Group Output 2.
    13 – 3-4 Group Assign switch
    The 3-4 Group assign switch is used to assign the
    input channel to the 3-4 Group output bus.
    Note: The Group output follows the channel’s PAN
    control so if a channel is panned all the way to the
    left, it will only feed Group Output 3. Conversely, if a
    channel is panned all the way to the right, it will only
    feed Group Output 4.

    High: 12kHz +/- 15dB shelving type

    14 –MAIN Assign switch
    The MAIN assign switch is used to assign the input
    channel to the left and right stereo bus outputs.

    High Mid: 3kHz +/- 15dB peaking type
    Lo Mid: 500 kHz +/- 15dB peaking type
    Low: 80Hz +/- 15dB shelving type

    15- VOLUME - Fader Level Control
    The VOLUME Fader control adjusts the level of each
    mono input channel.

    9 - PAN Control
    The L1200 and L2000’s PAN control is used to place
    or position the mono signal into the stereo main Left
    and Right MIX bus. You can create a stereo image by
    panning some input signals to the left and others
    to the right. The L1200 and L2000’s PAN control is a
    Power-Pan circuit, which includes a 3dB dip in the
    center position. This is desirable since there’s a 3dB
    increase in gain when the mono input signal is heard
    in both the Left and Right MIX bus.
    10 - MUTE switch
    The Mono Input channels feature a large, backlit
    MUTE switch allowing you to easily turn that channel
    on or off. When MUTE switch is illuminated, the
    channel is off. Conversely, when the backlight is off,
    the channel is on.

    



  • Page 10

    Controls and Functions
    24BIT DIGITAL EFFECT SECTION

    24 BIT DIGITAL EFFECT SECTION

    The L1200 and L2000 feature built-in, 24 Bit Digital Multieffects Processor(s) with 100 dazzling, studio quality
    effects like Delay, Chorus, Flanging and lush Reverbs
    including Halls, Plates and Rooms. In addition, there are
    multi-effects presets that have two effects combined
    together. For example, Delay and Reverb or Reverb and
    Chorus, to name a few. The following section describes
    the features control knobs and layout of the powerful onboard digital Multi-effects section.

    16

    16 - Program Effects Display

    17

    23

    18

    22

    19

    The L Series mixers Multi-effects Processors feature a
    dual digit, seven-segment numerical Effects Display for
    showing the effects PROGRAM number from 00 - 99. You
    will see the PROGRAM numbers change as you scroll
    through the effects pre-set using the DSP SELECT control.
    When the Effects Display shows two straight lines through
    the center of each segment, the effects are turned off
    and the EFX ON switch is in the out position. See section
    number 25 below.

    17 - Effect PROGRAM List

    21

    This section identifies the ten banks of built-in DSP
    effects presets. The first bank of 10 presets have been
    programmed with common effects for live performance,
    and the following banks are set up in groups by the types
    of effects.

    20

    18- SELECT control knob

    The SELECT control knob is a continuously variable
    encoder, or tweaker, that allows you to call up one of
    the 100 built-in digital effects presets. Simply rotate the
    SELECT knob to scroll through the preset programs using
    the Effects Display to choose the effect number you want.

    19 – EFX ON switch

    The EFX ON switch is used to turn the internal Digital
    Effect on and off. The effects are by-passed when the
    switch is in the out position and the Effects Display shows
    two dashes.
    20 – TO MAIN- Effects Return Control
    The TO MAIN control is used to adjust the level of the
    effects from the built-in digital Multi-effect that’s being
    sent to the MAIN bus. This allows you to add the DSP
    effects to the signal in your house speakers. Turn this
    knob up if you want to hear the effect in the MAIN mix.
    21 – TO AUX 3- Effects Return Control
    The TO AUX 3 control is used to adjust the level of the
    effects from the built-in digital Multi-effect being that’s
    being sent to the AUX 3 monitor bus. This allows you
    to add the DSP effects to the signal in your monitor
    speakers. Turn this knob up if you want to hear the effect
    in the AUX 3 monitor mix.

    



  • Page 11

    Controls and Functions
    24BIT DIGITAL EFFECT SECTION - continued

    25 - AUX 2 Master Send
    The Aux 2 signals from mono and stereo input channels, along with the DSP returns are mixed together
    and sent to the AUX 2 Output. Use the AUX 2 level
    controls to set the amount of signal being sent to
    Aux 2 Output.

    22 – TO AUX 2 - Effects Return Control
    The TO AUX 2 control is used to adjust the level of the
    effects from the built-in digital Multi-effect being that’s
    being sent to the AUX 2 monitor bus. This allows you
    to add the DSP effects to the signal in your monitor
    speakers. Turn this knob up if you want to hear the effect
    in the AUX 2 monitor mix.

    26 - AUX 3 Master Send
    The Aux 3 signals from mono and stereo input channels, along with the DSP returns are mixed together
    and sent to the AUX 3 Output. Use the AUX 3 level
    controls to set the amount of signal being sent to
    Aux 3 Output.

    23 - TO AUX 1 - Effects Return to Aux 1 control knob
    The TO AUX 1 control is used to adjust the level of the
    effects from the built-in digital Multi-effect that’s being
    sent to the AUX 1 monitor bus. This allows you to add the
    DSP effects to the signal in your monitor speakers. Turn
    this knob up if you want to hear the effect in the AUX 1
    monitor mix.

    27 - EFX Master Send
    The EFX signals from mono and stereo input channels, along with the DSP returns are mixed together
    and sent to the internal DSP and the EFX Output.
    Use the EFX level controls to set the amount of signal being sent to the internal DSP and the EFX Send
    jack.

    Master Auxiliary Send Section

    Each of the L Series AUX buses and the EFX bus have a
    master control knob, which is used to adjust the overall
    level of that AUX bus output.

    28

    29

    30

    24
    25
    26

    28 - STEREO RETURN – control knob

    The L Series feature an additional STEREO RETURN input
    that can be used to return the outputs of the an external
    effects processor, or to connect the output of any stereo
    line level device to the main mix

    27

    29 -CD/TAPE – control

    The L1200 and L2000 have a dedicated line level CD/TAPE
    LEVEL input to connect a CD, Tape or MP3 player. The
    CD/TAPE Level control is used to adjust the volume of the
    signal connected to the CD/TAPE input.

    24 - AUX 1 Master Send
    The Aux 1 signals from mono and stereo input channels, along with the DSP returns are mixed together
    and sent to the AUX 1 Output. Use the AUX 1 level
    controls to set the amount of signal being sent to
    Aux 1 Output.

    30-MUTE CHANNELS – switch

    You can turn all the Mic/Line channels with a press of a
    single button using the MUTE CHANNELS switch. This is
    especially convenient when you take a break and want to
    leave all the levels set so they are ready when you begin
    to use your PA system again. The MUTE CHANNELS does
    not turn off the stereo channels, and does not turn off the
    CD/TAPE inputs. So, when the MUTE CHANNELS switch is
    on, you still have stereo returns for a CD or MP3 player.
    



  • Page 12

    Controls and Functions
    31 - MAIN 2 – control knob
    The L Series mixers provide a second set of output
    connectors carrying a duplicate of the MAIN MIX
    signal for the purpose of feeding another speaker
    zone or recorder. The MAIN 2 control knob is used to
    set the volume of the MAIN 2 output.

    USB I/O Section
    The L series consoles incorporate a sophisticated
    USB I/O with on board AD and DA converters
    providing a digital audio path for connecting to a
    PC running most any recording and/or playback
    software. The INPUT and ASSIGN switch give you
    added flexibility in routing the digital audio signal to
    and from the PC.

    32 - PHONES – control knob
    This control adjusts the overall level of the
    Headphone Output.

    31

    32
    34
    35
    36

    33- Graphic Equalizer

    34 – SEND – USB input send switch
    The USB INPUT switch allows you to select one of
    two stereo (or two channel) signal paths to feed the
    USB output to send to the connected PC. When the
    INPUT switch is in the up position, the USB signal will
    feed from the MAIN left right mix. When the INPUT
    switch is in the down position, the USB signal will
    feed from the AUX 1 and AUX 2 buses which enables
    you to create a unique mix to send to the PC.

    33

    35 – RETURN – USB return switch
    The USB RETURN switch allows you to select one of
    two stereo return paths to receive USB audio from
    the connected PC. When the ASSIGN switch is in the
    up position, the USB signal will return to the MAIN
    mix bus. When the ASSIGN switch is in the down
    position, the USB signal will return to the last pair
    of stereo channels which enables you to playback a
    recorded track in the MAIN mix, and you can use the
    channels AUX sends to feed any of the AUX buses.
    This will let you hear the USB playback tracks in the
    monitor mixes.

    The L Series 9-band stereo Graphic Equalizer allows you
    to contour the frequency response of the MAIN mix bus
    signal, providing a maximum of 12dB of cut/boost for
    each frequency band. This is an especially useful tool for
    cutting frequencies that cause annoying feedback. The
    frequency response is flat when the sliders are in the center position. Moving a slider in the positive direction will
    boost that frequency by as much as 12dB, and moving
    the slider in the negative direction will cut that frequency
    by up to 12dB.

    36 – MONITOR – USB headphone enable switch
    Press the USB MONITOR switch down if you want
    to hear the signal from the USB return in the
    headphones.

    



  • Page 13

    Controls and Functions
    43 - SOLO – LED indicator
    When the SOLO LED is illuminated the METER is
    displaying the SOLO level.

    Meter Section

    37

    39

    44– Meter select switch
    The Meter select switch allows you to configure
    the Meters for MAIN MIX or PFL and Solo. When the
    METER select switch is up, the Solo is displayed.
    When the METER select switch is down, the PFL
    signal is displayed.

    41

    GROUP Output Section

    38
    40

    45
    42

    43

    46

    44

    47

    37 - POWER LED - indicator
    The Power LED will illuminate when the rear panel,
    MAIN power switch is turned on.
    38 - PHANTOM POWER LED - indicator
    The LED will illuminate whenever the Phantom
    Power switch is pressed.

    48

    39 - PHANTOM POWER – switch
    The PHANTOM POWER switch is used to activate
    the phantom power on the microphone channels
    enabling the use most any condenser microphone.
    40- CLIP LEDs
    The left and right CLIP LED’s illuminate when the
    signal from the selected bus is beginning to reach
    a level where distortion occurs. If the CLIP lights
    stay on, your mix is too hot and you need to lower
    the level control. It is okay for the PEAK light to
    occasionally light, however they should go off
    quickly and not stay on.

    45– GROUP SOLO - switch
    The GROUP output’s 1-4 SOLO switch, also known
    as AFL or After Fader Listen, allows you to listen to,
    or “solo”, a GROUP send in the headphones. When
    any of the GROUP 1-4 SOLO switches are pressed
    down, that GROUP’s signal is assigned to the solo
    bus and can be heard in headphones plugged in to
    the PHONES connector located in the top panel jack
    field. This allows you to listen to a GROUP send by
    itself, let’s say, to check that a signal is not distorted
    before it gets to the connected power amplifier.
    Since the SOLO is AFL, the fader will affect the level
    you hear in the Solo bus.

    41- LED VU METER
    The OUTPUT LEVEL METER allows you to monitor
    the level of the signal, which is being sent to the
    MAIN OUT jacks when the MAIN MIX Solo button
    is pressed down. Depending on the position of the
    Meter select switch, the meters will display the MAIN
    MIX, mono PFL or Stereo Solo.
    42 - PFL – LED indicator
    When the PFL LED is illuminated the METER is
    displaying the PFL level.
    



  • Page 14

    Controls and Functions
    46 – TO MAIN LEFT– switch
    The TO MAIN LEFT switch is used to assign the
    GROUP to the left channel of the MAIN stereo mix. If
    you want to send the GROUP mix to the stereo mix
    press the TO MAIN LEFT switch down.

    MAIN Output Section

    49

    47 – TO MAIN RIGHT– switch
    The TO MAIN RIGHT switch is used to assign the
    GROUP to the right channel of the MAIN stereo mix.
    If you want to send the GROUP mix to the stereo mix
    press the TO MAIN RIGHT switch down.
    48 – Group Level - fader control
    The Group level fader is used to control the overall
    level of the GROUP mix.
    Assigning Channels to Group Outputs
    If you want to control a number of channels with
    one fader you can create a mix subgroup by using
    the channel GROUP assign switches. In many applications when assigning a channel to a group, you do
    not want it assigned to the MAIN mix, so be sure the
    MAIN assign switch is up.

    50

    Mono Group Sends - Odd Even Panning
    To create one or more mono subgroup mixes, it is
    important to pay attention to the PAN knob. By using
    the channel PAN knobs, you can create four mono
    sub mixes.

    49 - SOLO (AFL MAIN MIX) – switch
    The MAIN MIX output’s AFL, or After Fader Listen
    switch allows you to listen to, or “solo”, the MAIN MIX
    in the headphones. When the MAIN MIX Solo switch
    is pressed down, the left/right mix will be heard in
    headphones plugged in to the PHONES connector
    located in the top panel jack field. This allows you
    to listen to the stereo mix , (let’s say), to check that
    a signal is not distorted before it gets to the power
    amplifier. Since the signal is sent after the MAIN MIX
    level fader, you hear the signal with the added gain
    from the MAIN MIX Level control. This switch also
    allows you to view the Main Mix levels on the VU
    meters.

    If you want to send a group of channels to Group 1,
    press the Group 1-2 assign switch down and set the
    PAN knob all the way to left on those channels.
    If you want to send a group of channels to Group 2,
    press the Group 1-2 assign switch down and set the
    PAN knob all the way to right on those channels.
    If you want to send a group of channels to Group 3,
    press the Group 3-4 assign switch down and set the
    PAN knob all the way to left on those channels.

    50 - MAIN MIX (left and right) - Level fader
    The MAIN MIX Level fader adjusts the level of MAIN
    left and right stereo mix.

    If you want to send a group of channels to Group 4,
    press the Group 3-4 assign switch down and set the
    PAN knob all the way to right on those channels.
    Stereo Group Sends
    You can build a stereo sub group mix using two
    group outputs. To do this using Groups 1 and 2, engage the TO MAIN LEFT switch on GROUP 1 for the
    left channel and engage the TO MAIN RIGHT switch
    on GROUP 2 for the right channel. Since the GROUP
    outputs follow the channel PAN knob, the stereo mix
    will present at the GROUP 1 and 2 outputs.

    10



  • Page 15

    L1200 and L2000 Input and Output Connections
    CHANNEL - MONO MIC/LINE INPUTS

    RING/SLEEVE) Insert jack for connecting outboard
    effects processors directly on the channel input. The
    signal is sent on the tip (the Send) and returns on
    the ring (the Return) of the connector.

    The L Series mixers offer plenty of mono mic/line
    and stereo line input channels, twelve on the L1200
    and twenty on the L2000’s, for connecting a variety
    of signal sources from microphones to line level
    devices such as synthesizers, drum machines and
    direct boxes. The mono mic/line inputs each have
    a LINE level, Hi-Z (High Impedance) input, a MIC
    level, Low-Z (Low Impedance) input; and an Insert
    connector for effects. Both LINE and MIC inputs are
    balanced, with MIC inputs compatible with microphones of output impedance 50-600 Ohms and
    LINE inputs compatible with line level devices of 600
    Ohms. Following is a description of the Mic/Line
    input connectors:

    Stereo Input Channels - 1/4-inch and XLR
    Each of the L Series mixers has two stereo line level
    input channels for connecting stereo signals like
    those from CD or MP3 players, electronic keyboards,
    drum machines and other line level signals. The two
    stereo inputs also include an extra mic preamplifier.
    Use these for connecting stereo signals like those
    from CD or MP3 players, electronic keyboards, drum
    machines and other line level signals. Following is a
    description of the Mic/Line input connectors:
    4 - Stereo Inputs - 1/4-inch jacks

    1

    5

    2

    4

    3
    1 - MIC - Microphone Input
    Use these inputs to connect Low Impedance microphones and low-level signals from direct boxes.
    The MIC inputs have a nominal operating level of
    –50dBV through -20dBV. The MIC inputs also feature
    +48V phantom power, allowing you to use condenser microphones. The Phantom Power is switched
    on/off simultaneously for channels 1 through 12(20).
    XLR connector pin-out - Pin 1: Ground, Pin 2: Hot (+),
    Pin 3: Cold (-)

    The L1200 and L2000 have two pairs of 1/4-inch
    jacks for connecting stereo line level sources. For
    stereo inputs use the LINE L to connect the left channel and the LINE R to connect the right channel.
    Use these inputs to connect high impedance microphones, synthesizers and drum machines. The LINE
    inputs have a nominal operating level of -40dBV
    through - 10dBV. TRS phone jack connector pin-out
    - Sleeve: Ground, Tip: Hot (+), Ring: Cold (-)
    5 - XLR mic input
    Use these inputs to connect Low Impedance microphones and low-level signals from direct boxes.
    The MIC inputs have a nominal operating level of
    –50dBV through -20dBV. The MIC inputs also feature
    +48V phantom power, allowing you to use condenser microphones. The Phantom Power is switched
    on/off simultaneously for channels 1 through 12(20).
    XLR connector pin-out - Pin 1: Ground, Pin 2: Hot (+),
    Pin 3: Cold (-)

    2 – LINE - Line Level Input
    Use these inputs to connect high impedance microphones, synthesizers and drum machines. The LINE
    inputs have a nominal operating level of -40dBV
    through - 10dBV. TRS phone jack connector pin-out
    - Sleeve: Ground, Tip: Hot (+), Ring: Cold (-)
    NOTE: It is not possible to simultaneously use both
    the LINE and MIC inputs on the same channel. For
    each channel, use only one of the inputs as appropriate for the input source.
    3 – INSERT - Send and Return jack
    The L1200 and L2000 have a 1/4-inch, TRS (TIP/
    11



  • Page 16

    L1200 and L2000 Input and Output Connections
    Master Input and Output Section
    The L1200 and L2000 mixer's Master Input and
    Output section has the connectors for interfacing
    the FOOTSWITCH, MAIN OUT, MAIN 2 OUT, MAIN
    INSERT POINTS, GROUP OUTS, GROUP INSERT
    POINTS, and the AUX Send’s.

    8 - CD/TAPE Inputs - RCA jacks
    The L Series mixers feature a stereo line level input
    on RCA connectors for connecting the output of
    devices such as MP3, CD, computer soundcard,
    cassette player, or any other line level device. These
    are controlled by the CD/Tape level control.
    9 - Record Out - RCA jacks
    The signal present at this connector is the MAIN bus
    signal before it has passed through the MASTER
    level control. The nominal output level is -10dBV and
    the impedance is 100 Ohms.

    6

    10 – STEREO RETURN
    The L1200 and L2000 have one pair of 1/4-inch jacks
    for connecting stereo line level sources like those
    from the outputs of effects processors. The LINE
    inputs have a nominal operating level of -40dBV
    through - 10dBV. TRS phone jack connector pin-out
    - Sleeve: Ground, Tip: Hot (+), Ring: Cold (-)

    7

    6 - AUX SEND (1 through 3) - 1/4-inch jacks
    The signals present at the AUX outputs are sent from
    the AUX bus 1, 2 and 3, which are fed from the input
    channels’ AUX 1, 2 and 3 control knobs. In a live
    sound situation, AUX 1, 2 and 3 are normally used to
    create three individual monitor mixes by connecting
    the AUX output to a power amp and monitor
    speaker. TS phone jack connector pin-out - Sleeve:
    Ground, Tip: Hot (+).

    11 - MAIN 2 OUT - 1/4-inch jacks
    In a live sound application, you can drive a second
    speaker system using the MAIN 2 OUT outputs connected to a power amplifier or powered speakers. In
    a recording application, the MAIN 2 OUT outputs are
    used to connect to a stereo device such as computer
    sound card, MP3, or cassette recorder. The signal at
    the MAIN 2 OUT jacks follows the MAIN 2 level control knob allowing you to set a different level to the
    recorder. TR phone jack connector pin-out - Sleeve:
    Ground, Tip: Hot (+).

    7 - EFX SEND - 1/4-inch jack
    The EFX SEND output is used to send a signal to
    an external signal processor such as a delay or
    reverb. The signal present at the EFX SEND output
    is sent from the EFX bus, which is fed from the
    input channels’ EFX control knob. TRS phone jack
    connector pin-out - Sleeve: Ground, Tip: Hot (+),
    Ring: Cold (-)

    13

    8

    10

    12

    9

    12 - GROUP OUT - 1/4" jacks
    In a live sound application, you can connect
    additional zone speaker systems using GROUP OUT
    outputs connected to a power amplifier or powered
    speakers. The signal at the GROUP OUT jacks follows
    the GROUP volume fader.TRS phone jack connector
    pin-out - Sleeve: Ground, Tip: Hot (+), Ring: Cold (-)

    11

    12



  • Page 17

    L1200 and L2000 Input and Output Connections
    13 - GROUP INSERT - 1/4-inch Send and Return
    jack
    Send and return patch point on TRS (TIP/RING/
    SLEEVE) jack for interfacing external effects processors on GROUP bus outputs. The signal is sent on the
    tip (the Send) and returns (the Return) on the ring of
    the connector.

    14

    Rear Panel

    19

    20

    21

    16
    7

    17
    7
    15
    19 - MAIN OUT – XLR connector
    The L1200 and L2000’s stereo MAIN mix is sent to
    the rear panel LEFT and RIGHT MAIN OUT XLR connectors. The signal level at these MAIN OUT connectors follows the MAIN volume fader. In a live sound
    application, you can drive a speaker system using
    the MAIN OUT outputs connected to a power amplifier or powered speakers.
    XLR connector pin-out - Pin 1: Ground, Pin 2: Hot (+),
    Pin 3: Cold (-)

    18
    7

    14 - MAIN INSERT (Left and Right) - 1/4-inch Send
    and Return jack
    Send and return patch point on TRS (TIP/RING/
    SLEEVE) jack for interfacing external effects processors on Left and Right MIX bus. The signal is sent on
    the tip (the Send) and returns (the Return) on the
    ring of the connector.

    20 - SUBWOOFER OUT – XLR connector
    If your sound system includes a subwoofer, you can
    use the rear panel SUBWOOFER OUT to conveniently
    connect to the amplifier or powered-sub input. The
    L1200 and L2000’s stereo MAIN mix is sent, in mono,
    to the SUBWOOFER OUT XLR connector. A high-cut
    (or low-pass) filter, 12dB at 75 Hz, is applied to this
    output to roll off the high frequencies and send
    just low frequencies, so no additional crossover is
    required. The signal at the SUBWOOFER OUT jacks
    follows the MAIN volume fader.
    XLR connector pin-out - Pin 1: Ground, Pin 2: Hot (+),
    Pin 3: Cold (-)

    15 - MAIN OUT – 1/4-inch jacks
    The L1200 and L2000’s stereo MAIN mix is sent to
    the LEFT and RIGHT MAIN OUT ¼-inch phone connectors. The signal level at these MAIN OUT connectors follows the MAIN volume fader. In a live sound
    application, you can drive a speaker system using
    the MAIN OUT outputs connected to a power amplifier or powered speakers. The signal at the MAIN
    OUT jacks follows the MAIN volume fader.
    TRS phone jack connector pin-out - Sleeve: Ground,
    Tip: Hot (+), Ring: Cold (-)
    16 - USB BUS POWER – socket
    Plug any USB bus powered lamp here.

    21 – USB PORT Connect standard standard USB
    cable here.

    17 – FOOTSWITCH - 1/4-inch jack
    With a footswitch connected to this jack, you can
    turn on and off the on-board digital effects by simply stepping on the footswitch.
    18– PHONES - 1/4-inch jack (top Panel)
    Connect standard stereo headphone, 60 to 600
    Ohms, here.
    13



  • Page 18

    Using the USB I/O
    Using the USB I/O
    3. Most of the time, you’ll want the output volume
    from the computer at the maximum position, but
    sometimes it defaults to the middle of the slider,
    making the output very quiet. The volume can be
    increased in several ways. The simplest is to click the
    loudspeaker icon (figure 3) in the system tray and
    drag the slider to the top (figure 4).

    The L series consoles have a built-in stereo USB
    audio interface allowing you to record and playback
    from a PC using virtually any digital recording
    software. In addition, the L series consoles feature
    powerful routing options that let you route your USB
    digital recording and playback.
    Connecting the L series to your computer is a simple
    procedure that takes just a few minutes. Since the
    L Series consoles are USB compliant, you can use
    either a MAC or PC, connect the included USB cable
    and plug and play. You will be able to control your L
    series using the standard audio interface controls in
    the MAC or Windows operating system. You will find
    detailed instructions on setting up with MAC OS and
    Windows in the following sections of this manual.

    Figure 3

    Getting Started with Windows XP
    1. The first time you plug the L series into a USB port,
    Windows will install the universal drivers for that
    port. A balloon tip will pop up, telling you it has
    found the USB Audio codec (figure 1).
    2. When it is finished installing the drivers, it will say

    Figure 4

    4. If the icon is not there, the volume can be changed
    by going to Control Panel and opening Sounds and
    Audio Devices (figure 5).

    Figure 1
    “Your new hardware is installed and ready to use”
    (figure 2).
    Note: This balloon will not pop up again for the same
    USB port.

    Figure 2
    Figure 5

    14



  • Page 19

    Using the USB I/O
    Getting Started with Windows XP - continued
    5. To use the L Series as your default input/output
    device (for system sounds and programs like Sound
    Recorder), ensure that it is set for playback and
    recording in the Audio tab (figure 6).

    2. To select the L SERIES as the computer's audio
    input, open the System Preferences from the dock
    or the main Apple Menu (figure 8).

    Figure 8
    3. Next open the Sound preference (figure 9).

    Figure 6
    6. The volume can then be set by dragging the
    Volume slider (figure 7).
    Figure 9

    4. Now, click in the Input tab and select USB Audio
    Codec (figure 10). You may notice that the Volume
    slider sets itself to the full level. This will allow you
    to have full range using the L Series hardware input
    level controls.

    Figure 7
    USB AUDIO CODEC

    7. To prevent system sounds from coming through
    the L Series, select a different sound card for the
    system default, and then choose the L Series
    manually within your DAW software.
    Getting Started with MAC OS X
    1. Connect the L Series console to your mac using
    a standard USB cable. The LED will light to indicate
    it is receiving USB power. The MAC will recognize
    the USB audio device and automatically install a
    universal driver.

    Figure 10

    15



  • Page 20

    Using the USB I/O
    Getting Started with MAC OS X - continued
    5. Next, click in the Output tab and select USB Audio
    Codec (figure 11). You may notice that the Volume
    slider sets itself to the full level. This will allow you
    to have full range using the L Series’ hardware MAIN
    Volume control.

    switch down to send the AUX1 and AUX2 mix to
    the USB input.
    Playing Back From the L Series’ USB I/O

    A
    B
    C
    B - RETURN - switch
    The USB RETURN switch is used to route the signal
    presented to the internal DA (digital to analog)
    converter, that’s been received from a USB digital
    audio connection typically from a PC. The RETURN
    switch allows you to select a return either directly
    to the MAIN Left and Right mix or the last stereo
    channel (channels 11/12 on the L1200 and 19/20 on
    the L2000).
    For playback, you can return the USB stereo signal
    directly into the Main left and right mix bus so that
    the playback from the PC sums with the MAIN mix
    on the console.
    You can also use the USB RETURN switch TO route
    the signal from the USB output to the last stereo
    channel.
    To hear the USB playback in the MAIN mix, be
    sure that the USB SEND switch is set to MAIN (up
    position).
    For added flexibility, you can assign the USB stereo
    playback signal to the last stereo channels (11/12
    on the L1200 and 19/20 on the L2000). This gives
    you the ability to mix the signal in the MAIN mix,
    and also, you can assign to the Auxiliary sends and
    Bus outputs so you can mix the playback in floor
    monitors or isolate the playback to a mix zone. Press
    the USB RETURN switch down to return the USB
    input to the last stereo input.
    C - MONITOR – switch
    The MONITOR switch is use to assign the USB return
    to the headphones. Press the USB MONITOR switch
    down if you want to hear the USB playback in the
    headphones.

    Figure 11

    At this point you can begin using your L Series console
    with most any audio recording software, but you need
    to select it as an input and output device within the
    DAW. When selecting the inputs and outputs just look
    for and select the USB Audio Codec.
    Recording from the L Series’ USB I/O
    A - SEND - switch
    The USB SEND switch is used to select the mix output that is sent to the internal AD (analog to digital)
    converter and then out the USB socket and then on
    to a PC. The switch allows you to select either the
    MAIN Left and Right or AUX 1 / 2 outputs.
    For recording a live performance, you can send the
    MAIN Left and Right mix signal to the USB out for
    recording exactly the same mix as you hear in the
    sound system.
    Be sure that the USB SEND switch is set to MAIN (up
    position) to send the MAIN Left and Right mix to the
    USB input.
    The USB I/O is always active and it will send a stereo
    signal based on the position on the USB SEND
    switch. When the USB SEND switch is set to MAIN,
    the signal sent to the computer will be comprised
    of the input channels that are assigned to the MAIN
    Left and Right Bus. The mix level follows the channel
    FADER and the stereo image set by the channel’s
    PAN control. You can also assign the USB out to feed
    from the AUX1 and AUX2 outputs enabling you to
    build a stereo mix for recording that’s independent
    from the house sound system. Press the USB SEND
    16



  • Page 21

    L1200 and L2000 Wiring Guide
    CONNECTING THE L1200 and L2000

    There are several ways to interface the L1200 and L2000 to support a variety of applications. The L1200 and L2000 feature balanced inputs and outputs, so connecting balanced and unbalanced signals is possible.
    Unbalanced 1/4” Connector

    Balanced TRS 1/4” Connector

    XLR Balanced Wiring Guide

    1/4” Insert Cable

    17



  • Page 22

    Specifications
    Maximum Output Level
    (0.5% T.H.D at 1KHz

    +24dB(MAIN L/R) @10K
    +20dB(INSERT) @10K

    T.H.D

    <0.1% @+14dB 20Hz~20KHz (MAIN L/R,GROUP,AUX/EFX SEND) @10K

    Frequency Response

    20Hz~20KHz,+1/-1dB(MIX L/R,GROUP,AUX/EFX SEND) @10K

    Hum and Noise Input
    GAIN=Maximum Input
    sensitity -50dBu

    Maximum Voltage Gain

    +20dB(MAIN 2,GROUP,AUX/EFX) @10K
    More than 100mW(HEADPHONES) @33

    -128dBu

    equivalent input noise ( Rs=150

    )

    -95dBu

    Residual noise (MAIN L/R,MONO,MAIN 2,GROUP,AUX,EFX OUT)

    -83dBu

    MAIN,MONO,GROUP * Master fader at naminal level and all channel fader
    Minimum.

    -76dBu

    AUX Master control at nominal level and all channel control Minimum.

    74dB MIC IN TO MAIN L/R,GROUP,MONO
    66dB MIC IN TO AUX (PRE)
    76dB MIC IN TO AUX (POST) / EFX SEND
    52.2dB MIC IN TO REC L/R
    54dB LINE IN TO Main L/R,GROUP,MONO
    46dB LINE IN TO AUX(PRE)
    56dB LINE IN TO AUX(POST) / EFX SEND
    20dB ST IN TO MAIN L/R,MONO

    Crosstalk (at 1KHz)
    Gain Control(mono Input
    Channel)
    Gain (stereo Input CH)
    High Pass Filter
    Input Channel Equalization
    MONO
    Input Channel Equalization
    STEREO

    22dB TAPE IN TO MAIN L/R
    -70dB between input channels
    -70dB between input/output channels (CH INPUT)
    44dB Variable (-50dB ~ -6dB),(-30dB ~ +14dB)
    40dB Variable (-20dB ~ +20dB), (-50dB ~ -10dB)
    75Hz, 18dB/Octave
    HIGH:12KHz shelving

    ± 15dB

    MID:100 ~ 8KHz shelving
    LOW:80Hz shelving
    HIGH:12KHz shelving

    ± 15dB

    HI-MID:3KHz peaking

    ± 12dB

    LO-MID:500Hz peaking
    Graphic Equalizer
    LED Meters
    Internal Digital Effects
    Channel Indicators

    LOW:80Hz shelving

    ± 15dB

    ± 15dB

    ± 12dB

    ± 15dB

    9 bands(63,125,250,500,1K,2K,4K,8K,16K) ±12dB maximum
    12-point LED,PFL/SOLO
    24 BIT DSP,100 selectable presets
    FOOT switch (ON/OFF)
    Peak:An indicator for each channel turns on when the pre-channel fader signal is 5dB below clipping.

    Phantom Power
    USB Bus Power
    Power Source/Power
    Consumption

    +48V DC
    +5V DC 0.5A max USB A-TYPE FEMALE
    AC 120V/230V/240V,50/60Hz
    L1200:40W,L2000:60W

    Weight

    L1200:16.74Ib.(7.6Kg) , L2000:22.25Ib.(10.1Kg)

    Dimensions

    L1200:18.9''(W)*15.9''(D)*4.9''(H) , 480mm(W)*403mm(D)*125mm(H)
    L2000:27.4''(W)*15.9''(D)*4.9''(H) , 696mm(W)*403mm(D)*125mm(H)

    Where 0dBu=0.775V and 0dBV=1V
    Specifications are subject to change without notice.

    18



  • Page 23

    Block Diagram

    19



  • Page 24

    Samson Technologies Corp.
    45 Gilpin Avenue
    Hauppauge, New York 11788-8816
    Phone: 1-800-3-SAMSON (1-800-372-6766)
    Fax: 631-784-2201
    www.samsontech.com






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