Rolls RA63B
1x8/2x4 Distribution Amplifier


Our Price: $160.00
List Price: $208.00
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Rolls' RA63b is an 8-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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