Rolls RA63B Distribution Amp

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The RA63b is an eight channel mono, or four channel stereo distribution amplifier designed for the contractor / install market. The outputs are designed to drive high-level balanced lines in a sound distribution system. The screw terminals on the rear panel are for input and output, and each output may power more than one line.

Mono or Stereo Operation - mono input to eight outputs, or stereo inputs to four stereo outputs.
+20 dB Gain switch.
Screw Terminal inputs and outputs.
The RA63b replaces the old RA63s. The new ra63b has all the same features, but has an easy access stereo mono switch.


Input Impedance: 100 K Ohms balanced
Max Input Level: +22 dBV
I/O Connectors: Screw terminal; + -, and ground
Output Impedance: 50 Ohms balanced
Max Output Level: +24 dB
Max Gain: 20 dB
S/N Ratio: >90 dB
Frequency Response: 10 Hz - 40 kHz, +/- 1 dB
THD: <.008%
Power: 120 VAC 50-60 Hz, 15VA
Size: 19" x 1.75" x 6.5" (48 x 4.5 x 17 cm)
Weight: 7 lbs. (3 kg)

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