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Rolls RA53b Headphone Amplifier

Model: RA53b

Rolls RA53b Headphone Amplifier
Rolls RA53b Headphone Amplifier
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About: Rolls RA53b Headphone Amplifier

The RA53b is a high powered headphone amplifier with five 1/4” and 1/8” (3.5mm) headphone and earphone outs. Two RA53b units may be linked together and mounted side-by-side in a universal rack tray for a total of 10 outputs.


  • # 5: 1/4" TRS Headphone Outputs with Level Control.
  • Lots of Gain.
  • 1/4" and RCA Right and Left Inputs.
  • Inserts on Two Channels.
  • 1/4" TRS Stereo Input, 1/4" Mono Input.
  • Link Input/Output for Connecting Two Units Together.


  • Input Impedance: 10 K Ohms
  • Maximum Input Level: +18 dBV
  • Max Gain: 26 dB per channel
  • Output Power: 221 mW per side, 442 mW per channel (@ 32 Ohms)
  • Output Impedance: 10 Ohms
  • S/N Ratio: >90 dB
  • THD: <.08%
  • IMD (SMPTE): <.08%
  • Power: 12 VAC (Adapter provided)
  • Size: 8.4 x 1.7 x 5" (21.3 x 4.3 x 13 cm)
  • Weight: 2.5 LBS (1.14 kg)

UPC: 675889005318

Reviews: Rolls RA53b Headphone Amplifier

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Warranty: Rolls RA53b Headphone Amplifier Warranty:

30 Days

Manufacturer's Warranty:

Rolls Accessories
Limited 1-year warranty parts and labor.

Rolls Rack Units: (Mixers, Amplifiers, Processors)
Limited 1-year warranty parts and labor.

Rolls Signal Sources
90 Days warranty parts and labor.

RFX Units
Limited 3-year warranty parts and labor.

Limited 1-year warranty parts and labor.

Manufacturer's Warranty will cover parts, labour and return shipping back to you once repaired. Shipping into the service centre is not covered

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