RA53b Headphone Amplifier

Rolls » Headphone Amplifiers and Personal Monitor Systems »

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.

RA53b Headphone Amplifier

  • # 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.

Specifications

  • 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)