Bedienungsanleitung JBL Stage A120P (Seite 5 von 114) (Alle Sprachen)

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PLACING THE SUBWOOFER

The performance of a subwoofer is directly related to its placement in the listening room

and its physical position relative to the other speakers in the system.

While it is true that in general our ears do not hear directional sounds at the low

frequencies where subwoofers operate, when installing a subwoofer within the limited

conﬁnes of a room, the reﬂections, standing waves and absorptions generated within the

room will strongly inﬂuence the performance of any subwoofer system. As a result, the

speciﬁc location of the subwoofer in the room does become important to the amount

and quality of bass that is produced.

For example, placing the subwoofer next to a wall generally will increase the amount of

bass in the room; placing it in a corner (1) generally will maximize amount of bass in the

room. However, corner placement can also increase the destructive effect of standing

waves on bass performance. This effect can vary depending on the listening position –

some listening positions may yield very good results while others may have far too much

(or too little) bass at certain frequencies.

In many rooms, placing the subwoofer along the same plane as the left and right

speakers (2) can produce the best integration between the sound of the subwoofer and

that of the left and right speakers. In some rooms, the best performance could even

result from placing the subwoofer behind the listening position (3).

We strongly recommend that you experiment with placement before choosing a ﬁnal

location for your subwoofer. One way you can determine the best location for the

subwoofer is by temporarily placing it in the listening position and playing music with

strong bass content. Move around to various locations in the room while the system is

playing (putting your ears where the subwoofer would be placed), and listen until you ﬁnd

the location where the bass performance is best. Place the subwoofer in that location.

CONNECTING THE SUBWOOFER

TO A RECEIVER OR PREAMP/PROCESSOR WITH A LOW-PASS FILTERED DEDICATED SUBWOOFER OUTPUT (LFE)

TO A RECEIVER OR PREAMP/PROCESSOR WITH PREAMP OUTPUTS

Front Left

Speaker

Center

Speaker Front Right

Speaker

Surround Left

Speaker

Surround Right

Speaker

SUBWOOFER

INPUT

Receiver/Processor

SUBWOOFER LFE

OUT

NOTE: This subwoofer / LFE cable is not included, but

can be purchased from an electronics retailer.

• Be sure to turn the Crossover on the subwoofer fully

clockwise when using this type of connection. This type

of setting bypasses the subwoofer's internal crossover

and uses your receiver or processor's crossover.

• Check your receiver or processor menu settings and set

the subwoofer selection to 'On' or 'Yes.'

Please be sure to review the owner's manual for your

receiver or processor for more information on speaker

setup and configuration.

SUBWOOFER

INPUT

PREAMP

OUTPUT

NOTE: This special subwoofer / LFE cable is not included,

but can be purchased from an electronics retailer. An

RCA Y-Adapter cable can also be used to make this type

of connection.

• We recommend setting the subwoofer's Crossover

setting to 80Hz for mid-sized speakers, higher for

smaller (satellite) speakers, and lower for larger

floorstanding speakers.

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