Bedienungsanleitung Rotel RSX-1550 (Seite 44 von 54) (Englisch)

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RSX-1550 Surround Sound Receiver

44 45

English

RSX-1550 Surround Sound Receiver

the normal bass places higher demands on the capabilities of the

other speakers and the ampliﬁers driving them.

• LARGE front, center, surround speakers, no subwoofer.

The normal bass from the front, center, and surround channels is

played in its respective speakers. With no subwoofer, the LFE bass is

redirected to all ﬁve LARGE speakers. This places signiﬁcant demands

on these speakers and their ampliﬁers, as they must play their own

normal bass plus the very demanding LFE bass.

• All SMALL speakers and subwoofer. The normal bass from all

channels is redirected to the subwoofer, which also plays the LFE

channel. The subwoofer handles ALL of the bass in the system. This

conﬁguration provides several beneﬁts: deep bass is played by the

speaker most suited to do so, the main speakers may play louder

with less distortion, and the need for ampliﬁer power is reduced.

This conﬁguration should be used with bookshelf-size or smaller

main speakers. It should also be considered in some cases with

ﬂoorstanding front speakers. This conﬁguration is advantageous

when driving the system with moderate power ampliﬁers.

• LARGE front speakers, SMALL center and surround speakers,

and a subwoofer. The normal bass from the SMALL center and

surround speakers is redirected to the LARGE front speakers and the

subwoofer. The LARGE front speakers play their own normal bass

plus the redirected bass from the SMALL speakers and LFE bass.

The subwoofer plays the LFE bass plus the redirected bass from all

of the other channels. This might be an appropriate conﬁguration

with a pair of very capable front speakers driven by a large power

ampliﬁer. A potential disadvantage with mixed LARGE and SMALL

conﬁgurations is that the bass response may not be as consistent from

channel to channel as it might be with the all SMALL conﬁguration.

Note: As an alternative conﬁguration with a satellite/subwoofer

package as the front speakers, follow the speaker manufacturer’s

instructions, connecting the high-level inputs of the powered

subwoofer directly to the front speaker outputs of the receiver

and connecting the satellites to the subwoofer

’s own crossover.

In this arrangement, the speakers would be classiﬁed as LARGE

and the subwoofer setting would be OFF for all surround modes.

No information is lost during playback because the system

redirects bass information to the front LARGE speakers. While this

conﬁ

guration ensures proper satellite speaker operation by using

the speaker’s own crossovers, it has some disadvantages in terms

of system calibration and would generally not be the preferred

conﬁguration.

Speaker Setup

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The SPEAKER SETUP menu is used to conﬁgure the receiver for use with

your speciﬁc loudspeakers and to determine the bass management

conﬁguration as described in the previous overview. The menu is

accessed from the MAIN menu.

The following speaker options are available:

FRONT SPEAKERS (small/large): Use the LARGE setting to have

the front speakers play low bass (full-range). Use the SMALL setting to

redirect normal bass away from these speakers to a subwoofer (high-

pass ﬁltered).

CENTER SPEAKER(S) (large/small/none): Use the LARGE position

(not available with SMALL front speakers) to have the center speaker

play low bass (full-range). Use the SMALL position if your center channel

speaker has limited low frequency capability, or if you prefer that the

bass be sent to the subwoofer (high-pass). Select the NONE setting if

your system does not have a center channel speaker (the surround modes

will automatically divide all center channel information equally between

the two front speakers, creating a phantom center channel).

SURROUND SPEAKERS (large/small/none): Select the LARGE

setting (not available with SMALL front speakers) to have the surround

speakers play low bass (full-range). If your rear speakers have limited

bass capability or if you would prefer that the bass go to a subwoofer,

use the SMALL setting (high-pass). If your system has no rear surround

speakers, select the NONE setting (surround channels are added to the

front speakers so none of the recording is lost).

CENTER BACK SPEAKER(S) (large1/large2/small1/small2/

none): Some systems have one or two additional center back surround

speakers. Select the LARGE settings (not available with SMALL front

speakers) to have your center back speaker(s) play low bass. Use

LARGE 1 if you have one center back speaker (6.1) or LARGE 2 (7.1) if

you have two center back speakers (7.1). If your center back speakers

have limited bass capability or if you would prefer that the bass go to

a subwoofer, use the SMALL setting (SMALL1 for one speaker, SMALL2

for two speakers). If your system has no center back speakers, select

the NONE setting. With center back speakers, the Rotel XS eXtended

surround, Dolby Digital EX, DTS-ES, Dolby Pro Logic II, DTS Neo:6 or

other decoders will provide center back signals for any surround mode.

SUBWOOFER (yes/no/max): The YES setting is the standard setting if

your system has a subwoofer. If your system does not have a subwoofer,

select NO. Select the MAX setting for maximum bass output with normal

bass being duplicated by both the subwoofer and any LARGE speakers

in the system.

RSX-1550 English v2.indd 44 27/8/08 14:22:24

Rotel RSX-1550 Seite 44

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