Rotel RMB-1504 User Manual
FOUR CHANNEL POWER AMPLIFIER
RMB-1504
4 x 70 Watts of
robust power
The RMB-1504 Class AB 4-channel amplier delivers 70 watts
per channel into 8 ohms and 115 watts into 4 ohm loads with
the ongoing commitment of performance without compromise
building on over 55 years of Rotel amplier engineering, design
and manufacturing experience. This amplier provides power
and renement for object based overhead speakers in home
theater installations and the demanding drive required for
custom installation and multi-room audio solutions.
The 12 volt trigger input and output connections, user
selected audio signal sense power control, front panel volume
attenuators, audio output link connections, 5-way speaker
binding posts and available rack mount kit provides ultimate
installation exibility.
Class AB amplier
design
Automatic signal
sensing
An oversized factory built toroidal transformer and
high eiciency capacitors drive an array of high current
output transistors ensuring fast transient timing,
accurate detail and controlled consistency of low
frequency regardless of the loudspeakers load rating
or cable run distance. Maintaining crucial timing and
energy while delivering eortless power is a signature
trait of this amplier providing increased speaker
placement options.
Critical evaluation of the circuit design and meticulous
selection of each acoustic audio components ensures
accuracy, power and eiciency all coupled with an
unsurpassed build quality ensuring this amplier
proudly wears the Rotel name.
12 volt trigger
input
www.rotel.com
FOUR CHANNEL POWER AMPLIFIER
RMB-1504
SPECIFICATIONS
Continuous Power Output 4 x 70 watts/channel,
(20-20kHz, < 0.03%, 8 ohms) All channel driven
Total Harmonic Distortion < 0.03%
(20Hz-20kHz, 8 ohms)
Intermodulation Distortion < 0.03%
(60 Hz : 7 kHz, 4:1)
Damping Factor (20-20kHz, 8 ohms) > 200
Input Impedance/Sensitivity 20k Ohms/1.0 Volt
Gain 26 dB
Input Overload Level 5.0 Volts
Frequency Response (±1dB) 10Hz - 100kHz
Signal to Noise Ratio (IHF A) 115 dB
Crosstalk / Separation >50 dB
Speaker Impedance 4 ohms minimum
Auto Turn On Level (with all inputs) 4 mV input signal
Power Requirements
U.S. version 120 Volts, 60 Hz
European version 230 Volts, 50 Hz
Power Consumption 300 Watts
Standby Power Consumption
Signal Sense 1 Watt
Standby < 0.5 Watts
BTU 810 BTU/ h
Dimensions (W x H x D) 431 x 144 x 443 mm
17 x 52/3 x 171/2 ins.
Front Panel Height 3U / 132.6mm / 53/4 ins.
Weight (net) 14.9 kg / 32.8 lbs.
www.rotel.com
All specications are accurate at the time of printing.
Rotel reserves the right to make improvements without notice.
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