Rotel RSX-1560 Owner's Manual download pdf (Page 44)

44 45

English

RSX-1560 Surround Sound Receiver

44 45

English

RSX-1560 Surround Sound Receiver

In DTS Neo:6 mode, there will only be one choice available on the sub-

menu: selecting CINEMA or MUSIC modes. Use the +/– buttons on the

remote to change the settings.

• Select CINEMA to optimize the DTS Neo:6 decoding for movie

soundtracks.

• Select MUSIC to optimize the DTS Neo:6 decoding for musical

recordings.

When you have completed the setting, highlight the INPUT SETUP MENU

line at the bottom of the screen and press the ENTER button to return to

the INPUT SETUP menu (or just press the ENTER button).

Conﬁguring

Speakers and Audio

This section of the setup process covers items concerning audio

reproduction such as the number of speakers, bass management

including subwoofer crossovers, establishing equal output levels for all

channels, delay settings, and tone contour settings.

Understanding Speaker Conﬁguration

Home theater systems vary in the number of speakers and the bass

capabilities of those speakers. This receiver offers surround modes

tailored to systems with various numbers of speakers and bass

management features which send bass information to the speaker(s)

best able to handle it – subwoofers and/or large speakers. For optimum

performance, you must tell the receiver the number of speakers in your

system and how bass should be distributed among them.

Note: There are two types of bass in a surround system. The ﬁrst

is bass recorded in each of the main channels (front, center, and

surround). This bass is present in all recordings and soundtracks.

In addition, Dolby Digital 5.1 and DTS 5.1 recordings may have

a Low Frequency Effects (LFE) channel – the .1 channel. This LFE

channel, typically played by a subwoofer, is used for effects such

as explosions or rumble. The use of the LFE channel will vary from

soundtrack to soundtrack. Recordings that are not encoded in

Dolby Digital or DTS do not have the LFE channel.

The following conﬁguration instructions refer to LARGE and SMALL

speakers, referring more to their desired bass conﬁguration than their

physical size. Speciﬁcally, use the LARGE setting for speakers that you

want to play deep bass signals. Use the SMALL designation for speakers

that would beneﬁt from having their bass sent to more capable speakers.

The bass management system redirects bass information away from

all SMALL speakers and sends it to the LARGE speakers and/or the

SUBWOOFER. It may be useful to think of LARGE as “full-range” and

SMALL as “high-pass ﬁltered.”

Four typical examples of the many possible system conﬁgurations

illustrate the principles behind bass management:

• Five LARGE speakers and subwoofer: This system requires no

bass redirection. All ﬁve speakers play the normal bass recorded in

their respective channels. The subwoofer plays only the LFE channel

bass. Depending on the soundtrack, there may be minimal use of the

LFE channel, so the subwoofer would be under utilized. Meanwhile

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

conﬁguration 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.

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Rotel RSX-1560 Owner's Manual Page 44

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