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Troubleshooting
Most difficulties in audio systems are the result of
poor or wrong connections, or improper control
settings. If you encounter problems, isolate the
area of the difficulty, check the control settings,
determine the cause of the fault and make the
necessary changes. If you are unable to get
sound from the RB-1091, refer to the sugges
-
tions for the following conditions:
Front Panel Power Indicator Is
Not Lit
No main power to the RB-1091. Check AC
power connections at the amplifier and the
AC outlet. Check the front panel power switch.
Make sure that it is set to the ON position. If
using 12V trigger power-on, make sure that
a trigger signal is present at rear panel 12V
TRIG IN jack.
No Sound
If the amp is getting AC power, but is producing
no sound, check the PROTECTION INDICATOR
on the front panel. If lit, see below. If not, check
all of your connections and control settings on
associated components. Make sure that your
input connections and speaker connections
match your system configuration.
Protection Indicator Is Lit
The front panel PROTECTION INDICATOR
will light when the RB-1091 protection circuits
have shut off the amplifier. Typically, this oc
-
curs only when the amplifier has overheated,
when there is faulty speaker wiring, or after
a period of extreme use. Turn off the system
and wait for the amp to cool. Then push the
front panel power switch in and out to reset
the protection devices. If the problem is not
corrected or reoccurs, there is a problem with
the system or the amplifier itself.
RB-1091 Mono Power Amplifier
Specifications
Power Configurations 1 x 500 Watts
Watts/Channel 500 watts, with 20KHz filter, 8 ohm load,
20-20 kHz, 0.03% THD
Total Harmonic Distortion
(20Hz-20kHz, 8 ohms)
Continuous Rated Power < 0.03%
One-Half Rated Power < 0.03%
One Watt per Channel < 0.03%
Power Output (4 Ohms, 0.09% THD) 1000 watts
Output Peak Current 40A
Intermodulation Distortion 60 Hz:7 kHz, 4:1 < 0.03%
Damping Factor (8 ohms) 400
Amp Gain 27.2dB
Input Sensitivity/Impedance 2.2 V / 11.1 k ohms
Frequency Response 10 - 40 KHz (±3dB)
Signal to Noise Ratio (IHF A) 118 dB
Power Requirements
USA 120 Volts, 60 Hz
Europe 230 Volts, 50 Hz
Power Consumption 300 Watts
34 Watts - Idling
3 Watts - Standby
Dimensions (W x H x D) 432 x 92 x 407 mm
17
1
/
8
x 3
5
/
8
x 16
1
/
8
in
Panel Height (for rack mounting) 80 mm, 3
1
/
8
in
Weight (net) 7.8 kg, 17.2 lb.
All specifications are accurate at the time of printing.
Rotel reserves the right to make improvements without notice.