Rolls RA33b Five Channel Studio Headphone Amplifier (Hand built in the USA)

 

pictures copyright Runway Pro Audio

 

pictures copyright Runway Pro Audio

 

 pictures copyright Runway Pro Audio

Rolls RA53b Five Channel Studio Headphone Amplifier (Hand built in the USA)

The RA53b is a five-channel headphone amplifier with a variety of input options. In addition to the four master mix inputs, four separate mixes may be monitored using the main inputs and the three Insert jacks on Channels 1, 2 and 3. A 1/4” JOIN Input/Output jack is provided for connecting two RA53b units together, providing up to ten channels of headphone monitoring. Finally - the RA53b is loud. It has plenty of gain for operation in noisy environments, and works with most any headphone impedance.

SPECIFICATIONS 

*  Input Impedance: 10 K ohms 
*  Max 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: ROLLS PS12 - 12V AC (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)

MANUAL

£