RB-1552 MKII Stereo Class A/B Power Amplifier

The RB-1552 MkII is a 130 Watt per channel class AB amplifier. It is engineered to be powerful and robust, yet able to extract every last nuance out of even the most complex musical score.

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  • Includes XLR Balanced and RCA input connections, two pair of 5-way speaker binding posts, 12-volt trigger control, thermal protection circuitry, overcurrent, over-voltage protection circuitry, dual staged power on relay to reduce surge current and extend longevity, and a detachable IEC power cord all in a 5U chassis with included rack ears.
  • The RB-1590 is at the top of its class as a 2 x 350 Watts stereo amplifier with dual toroidal transformers and special slit foil capacitors.
  • Class AB amplifier design
  • Massive power supply using Dual Toroidal Transformers
  • High-quality slit foil capacitors made in Britain
More Information
Weight 27.00 lbs
Power Per Channel 130W (8 Ohms) 20Hz - 20kHz, <0.03%
Number of Channels 2
THD Stereo <0.03% THD @ 20 Hz - 20 kHz (8 Ohms)
Signal To Noise Ratio 120 dB
Gain 26.5 dB (Unbalanced); 22.5 dB (Balanced)
Inputs 2 Balanced XLR, 2 Unbalanced RCA, 1 Relay Trigger (3.5-mm Mono Jack)
Number of Outputs 2 Pairs Speaker Binding Posts Per Channel (4 Total), 1 Relay Trigger (3.5-mm Mono Jack)
Max Power Consumption 400W
Power Requirements AC 120 V, 60 Hz
Features 12v Trigger, Bi-Wire Output, Stereo, Balanced Inputs
Color Options Black
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