Bedienungsanleitung Teufel System 4 (Seite 16 von 16) (Englisch)

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Glossary

Active subwoofer

Loudspeaker with integrated amplifier for the reproduction of

bass frequencies. Very low frequencies can only be reproduced

by large-size speakers. To permit a speaker system with compact

front speakers, the bass frequencies are handled separately by

a dedicated subwoofer unit. As bass frequencies travel largely

non-directionally, the subwoofer can be placed out of sight, e.g.,

behind the couch or under a coffee table. The crossover fre-

quency between the front speakers and the subwoofer varies

from system to system, but is usually somewhere between 50

and 120 Hertz.

Auto On/Off function

The Auto On/Off function activates the subwoofer when an

audio signal is detected at the input, and switches it off again

after a set time of inactivity (approx. 20 minutes).

Centre

The central loudspeaker of the home theatre system. Surround

sound for TV/film places most of the dialogue in the centre

speaker. Because of this, excellent reproduction of speech is a

vital quality of the centre speaker.

Cinema set

“Cinema sets” are all Teufel speaker systems that consist of

three direct-radiating front speakers and dipole effects spea-

kers. “Concert sets”, in contrast, consist of five direct-radiat-

ingspeakers.

Concert set

“Concert sets” are all Teufel speaker systems consisting of five

direct-radiating speakers. “Cinema sets”, in contrast, consist of

three direct-radiating front speakers and dipole rear speakers.

Dipole

Dipole loudspeakers are designed to emulate the authentic

surround sound experience of a cinema. A cinema's surround

speaker setup features numerous tiny speakers for the side and

rear channels, which diffuse the directionality of the sound. In

contrast to direct-radiating speakers, dipole speakers have a

non-directional design, which creates a similarly diffused sur-

round sound field.

Direct-radiating speaker

All conventional loudspeaker cabinets that directly radiate

the sound at the listener are described as “direct-radiating

speakers”. In home theatre systems, direct-radiating speakers

are primarily used for the sound channels of the three front

speakers. In Teufel's Concert sets, they are also used for the

rear channels.

Dolby Digital/DTS decoder

An electronic circuit to split digital multi-channel audio signals-

from DVDs into up to seven separate analog signals.

“Dolby Digital” and “DTS” are different audio formats, so they

require different decoders. Most AV receivers, DVD players and

surround sound cards are equipped with both decoders.

Frequency / crossover frequency

The “crossover frequency” determines at which point in the fre-

quency range the bass frequencies are separated off to the sub-

woofer. For example, a crossover frequency of 120 Hz means that

all frequencies above 120 Hz are sent to the satellite speakers,

and all frequencies below 120 Hz are sent to the subwoofer.

Level

The “Level” control on the subwoofer determines the subwoof-

er's volume. In a perfect speaker setup, all the speaker channels

(including the subwoofer) are balanced in relation to the listen-

ing spot, i.e., all the speakers appear to have an equal volume.

Phase

The “Phase” control lets you adjust the subwoofer to the satel-

lite speaker so that the membranes of all the speakers vibrate in

the same direction (“phase”) when reproducing signals around

the crossover frequency. If the phase is set incorrectly, this may

cause a reduced bass response or even bass cancellations. If the

subwoofer is positioned between the front speakers, we recom-

mend a phase setting of 0°; if the subwoofer is positioned closer

to the listening spot, a phase of 180° may be more appropriate.

Similarly, the 180° setting may help to eliminate bass cancella-

tions if you position the subwoofer in other areas of the room.

Always set the phase control to the position where the bass

response is best.

Rear speaker

The rear speakers (ĕ dipole or ĕ direct-radiating) mostly re-

produce effects and atmospheric sounds. This creates a much

more spatial sound field when playing back film sound and mu-

sic.

Sub Out

Output on the receiver or amplifier to connect an active sub-

woofer using a mono RCA cable.

5.1/7.1 Pre Out

Preamp outputs on the receiver, or DVD player outputs. An ana-

log audio signal (RCA connection) is provided for each speaker

channel.

6.1 / 7.1 surround sound format

This surround sound format features one or two rear centre

speakers between the rear side speakers. The signal for the

rear centre speaker(s), which doesn't exist in a 5.1 matrix, is

generated from the stereo signals of the rear effects channels

(e.g., THX

Surround EX, Dolby Digital EX), or it is provided as a

discrete channel (DTS Discrete). Even though there is only one

additional channel, this can be used to drive one (6.1) or two (7.1)

rear centre speakers. While the sound format itself is “6.1” in

both cases, the speaker setup can be “6.1” or “7.1”.

No responsibility can be accepted for

the correctness of this information.

Subject to technical changes. Errors

and omissions excepted.

Lautsprecher Teufel GmbH

Gewerbehof Bülowbogen · Bülowstraße 66

10783 Berlin · Germany

Ph.: +49(30) 30 09 30 0

Fax: +49(30) 30 09 30 30

www.teufel.eu

Teufel System 4 Seite 16

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