Overview

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

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)
• # 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.