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Rolls RA-53b 5-Kanal Kopfhörer-Verstärker

Item: REC0013235-000V000127033
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€ 170.10
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Rolls RA-53b

Item with signs of use
5-channel headphone amplifier

The Rolls RA-53b is a 5-channel headphone amplifier with high gain reserves. The five 6.3 and 3.5 mm stereo jack outputs are parallel. The output level can be individually adjusted by separate volume controls per channel. When two RA-53b are mounted in a standard rack, both devices are connected via a link bus, so that a total of 10 outputs are available. In addition to the three stereo inputs and one mono jack input, three jack inserts are available for the first three channels.

Features of the Roll RA-53b:

  • Three stereo inputs, jack, RCA, XLR
  • One mono input, 6.3 mm jack
  • Five outputs with 3.5 mm stereo jacks
  • High monitoring level with a lot of power reserve
  • Separate level controls per output
  • Link bus for operation of 2 RA-53b in the rack
  • Three insert jacks
  • 12 V power supply included
  • Sturdy housing construction
  • Low weight, easy to transport

Technical data:

  • Input Impedance 10 kΩ
  • Max. Input level +18 dBV
  • Output impedance 10 Ω
  • Total Distortion (THD) <0,08%
  • IM Distortion (SMPTE) <0,08%
  • Signal-to-noise ratio >90 dB
  • Output power 442 mW/channel
  • Connections (outputs) 6.3 mm/3.5 mm jacks
  • Connectors (inputs) 6.3 mm jacks, RCA, XLR
  • Connectors (inserts) 6.3 mm jacks
  • Power supply 12 V~ (scope of delivery)
  • Weight 820 g
  • Dimensions 19.5 x 4.5 x 13.5 cm (W x H x D)


  • Manufacturer: Rolls
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