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RSP-975
15
Things become a little more complex in systems with a subwoofer.
For example, the system will generally not redirect bass informa-
tion away from a LARGE speaker to the subwoofer. Thus, the de-
cision you need to make when confronted with a choice of LARGE
or SMALL is whether or not you want the particular speaker to
play the deep bass information or whether your would prefer that
the deep bass information be sent to the subwoofer. If you have
invested in a robust subwoofer for your system, you might very
well decide to send all of the bass to it, regardless of how capable
the other speakers in the system may be. In this case, you would
tell the RSP-975 that all of your speakers are SMALL, without re-
gard to how big they may actually be.
An alternative configuration for setting up front SMALL speakers
with a subwoofer would be to follow the speaker manufacturer’s
instructions, wiring the SMALL speakers to the subwoofer’s
crossover and then connecting the subwoofer directly to the front
speaker connection terminals. In this arrangement, the speakers
would be classified as LARGE and the subwoofer setting would be
OFF for all surround modes. No information will be lost during
playback because the system knows to redirect the bass informa-
tion to the front LARGE speakers. This configuration may be opti-
mal for many users as it can improve the way the bass integrates
into the listening room and ensure correct satellite speaker op-
eration by using the speaker manufacturer’s own crossovers.
The following speaker options are available:
FRONT SPEAKERS (small/large): This menu setting determines
what kind of main front left and right speakers you are using. Use
the LARGE setting if your main left and right speakers are full
range designs with good bass response capability. If you are us-
ing minispeakers or if you want the bass from these speakers to
go to a subwoofer instead, use the SMALL setting.
CENTER SPEAKER (small/large/none): Use the LARGE position if
your system’s center channel speaker is capable of full-range, ex-
tended bass response. Use the SMALL position if your center
channel speaker has more limited low frequency capability, or if
you prefer that the bass be sent to the subwoofer. Select the
NONE setting if your system does not have a center channel
speaker.
REAR SPEAKERS (small/large): If your rear surround speakers are
capable of sustained low frequency output , select the LARGE set-
ting. If your rear speakers have limited bass capability or if you
prefer that the bass go to a subwoofer, use the SMALL setting.
SUBWOOFER (yes/no): Use the YES setting if your system has a
subwoofer. If your system does not have a subwoofer, select the
NO setting.
Rear Panel AC Power Connections
AC Power cord
28
Your RSP-975 is configured at the factory for the proper AC line
voltage in the country where you purchased it (either 115 volts AC
or 230 volts AC with a line frequency of either 50 Hz or 60 Hz). The
AC line configuration is noted on a decal on the back of your unit.
AC Outlets
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These two outlets lets you plug AC cords from source components
or other accessories into the back of the RSP-975 so that they will
be turned on and off automatically. The outlets are powered
whenever the RSP-975 is fully active and are off when the
RSP-975 is in STANDBY mode.
Note: We DO NOT RECOMMEND that you use this outlet for a
power amplifier. Do not exceed the maximum 800 watt capability
of these switched outlets.
RSP-975 Specifications
Audio
Frequency Response: 5 Hz - 20 kHz, + 0.5 dB
Signal to Noise Ratio (IHF “A”): 100 dB (front)
70 dB (surround)
Input Impedance: 47 k Ohms
Output Impedance: 500 ohms
Total Harmonic Distortion: 0.03 % (@1 kHz)
Intermodulation Distortion: 0.03 % (400 Hz/7 kHz, 4:1)
Output
Maximum: > 6 volts
Dolby, 300 mV in: 0.9 volt
Video
Frequency Response: 3 Hz-10 MHz, - 3 dB
Signal to Noise Ratio: – 60 dB
Input Impedance: 75 ohms
Output Impedance: 75 ohms
Output level (peak to peak): 1 volt
General
Power Consumption: 30 watts
Power Requirements (AC): 115 volts 50/60 Hz or
230 volts 50/60 Hz
Weight: 8 Kg/17.6 lb.
Dimensions (W x H x D): 440 x 110 x 316 mm
17.38" x 5" x 12.43"
All specifications are accurate at the time of printing.
Rotel reserves the right to make improvements without notice.
Rotel and the Rotel HiFi logo are registered trademarks of The Rotel Co, Ltd., Tokyo, Japan.
DTS is a registered trademark of Digital Theater Systems.
Manufactured under license from Dolby Laboratories Licensing Corporation. “Dolby”, “Pro
Logic”, and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
Confidential unpublished works © 1992 – 1997 Dolby Laboratories, Inc. All rights reserved.