Bedienungsanleitung JBL SUB 550P (Seite 5 von 5) (Englisch)

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oPeratIng the SUBWooFer

TURNING THE SUBWOOFER ON AND OFF

Set the subwoofer’s Power switch to the “On” position. The subwoofer

will automatically turn itself on when it receives an audio signal, and it will

go into Standby mode after it has received no audio signal for 20 minutes.

The subwoofer’s On/Standby LED will glow green when the subwoofer is

on and will glow red when the subwoofer is in Standby.

If you will not be using the subwoofer for an extended period – for

instance, if you’re going on vacation – set the Power switch to the “Off”

position.

SUBWOOFER ADJUSTMENTS: CROSSOVER CONTROL

NOTE: The Crossover control

functions only when you are using the

Line In connectors and the Input Mode

switch is set to “Normal.” Setting the

Input Mode switch to “LFE” bypasses

the subwoofer’s built-in crossover and

the Crossover control.

The Crossover control adjusts the

subwoofer’s built-in crossover between 50Hz and 150Hz. The higher

you set the Crossover control, the higher in frequency the subwoofer will

operate and the more its bass will “overlap” that of the satellite speakers.

This adjustment helps achieve a smooth transition of bass frequencies

between the subwoofer and the satellites for a variety of different rooms

and subwoofer locations.

To set the Crossover control, listen for the smoothness of the bass. If

the bass seems too strong at certain frequencies, try a lower Crossover

control setting. If the bass seems too weak at certain frequencies, try a

higher Crossover control setting.

SUBWOOFER ADJUSTMENTS: VOLUME

Use the Level control to set the subwoofer’s

volume. Turn the knob clockwise to increase

the subwoofer’s volume; turn the knob

counterclockwise to decrease the volume.

Once you have balanced the subwoofer’s

volume with that of the other speakers in your

system, you shouldn’t have to change it.

Notes on Setting Subwoofer Volume:

Sometimes the ideal subwoofer volume setting for music is too loud •

for ﬁlms, while the ideal setting for ﬁlms is too quiet for music. When

setting the subwoofer volume, listen to both music and ﬁlms with

strong bass content and ﬁnd a “middle ground” volume level that works

for both.

If your subwoofer always seems too loud or too quiet, you may want •

to place it in a different location. Placing the subwoofer in a corner will

tend to increase its bass output, while placing it away from any walls or

corners will tend to lessen its bass output.

SUBWOOFER ADJUSTMENTS: PHASE

The Phase switch determines whether the

subwoofer driver’s piston-like action moves

in and out in phase with the system’s other

speakers. If the subwoofer were to play out

of phase with the other speakers, the sound

waves from the satellites could partially

cancel out the waves from the subwoofer,

reducing bass performance and sonic

impact. This phenomenon depends in part on the placement of all the

speakers relative to each other in the room.

Although in most cases you should leave the Phase switch in the “0”

position, there is no absolutely correct setting for the Phase switch. When

the subwoofer is properly in phase with the rest of the system’s speakers,

the sound will be clearer and have maximum impact, and percussive

sounds like drums, piano and plucked strings will sound more lifelike. The

best way to set the Phase switch is to listen to music that you know well

and to set the switch in the position that gives drums and other percussive

sounds maximum impact.

SPecIFIcatIonS

Low-frequency

transducer:

10" (250mm) PolyPlas™ cone,

cast basket

Enclosure type: Sealed (forward-ﬁring)

Ampliﬁer power: 300W RMS; 500W peak

Frequency response: 27Hz – 150Hz

Audio controls:

Volume level, crossover frequency,

phase

Connections: RCA line-level and LFE inputs

Power requirement:

120V, 60Hz (US); 220V – 230V, 50Hz/60Hz

(EU)

Power consumption:

<6W (120V), <0.55W (230V) standby;

360W – 3.8A (120V) , 395W – 2.1A

(230V) maximum

Dimensions (W x H x D):

17-1/2" x 14-29/32" x 14-31/32"

(444mm x 379mm x 380mm)

Weight: 50 lb (23kg)

HARMAN Consumer, Inc.

8500 Balboa Boulevard, Northridge, CA 91329 USA

JBL is a trademark of HARMAN International Industries, Incorporated, registered in the United States and/or other countries.

PolyPlas is a trademark of HARMAN International Industires, Incorporated.

Features, speciﬁcations and appearance are subject to change without notice.

0302CSK - JBL SUB550P OM [JBLP3231], WORK04.indd 5 15/08/11 15:16:59

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