Junction amplifier 91B37

Disa Elektronik A/S; Copenhagen

  • Year
  • 1963 ??
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 283157

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Transistors
  • 17
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Line plus power jack, mostly with battery or storage battery / 110; 220 / 24 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Power out
  • 0.5 W (undistorted)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Junction amplifier 91B37 - Disa Elektronik A/S;
  • Shape
  • Rack
  • Dimensions (WHD)
  • 90 x 132 x 270 mm / 3.5 x 5.2 x 10.6 inch
  • Notes
  • Adding amplifier for audio mixers. 19 transforme balanced inputs (200 ohms), 1 transformer balanced output. max gain 40 dB adjustable in 6 db steps  (to compensate attenuation in faders and passive EQ circuits. Max output level 10V (+22dBu). Built in power supply (220 or 110 V) or -24VDC. Built into a standard DIN broadcast cassette, 2 units wide.

    Transistorized replacement for V-530.

  • Literature/Schematics (1)
  • - - Manufacturers Literature
  • Literature/Schematics (2)
  • -- Schematic
  • Author
  • Model page created by Matti Adolfsen. See "Data change" for further contributors.

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