• Year
  • 1963 ?
  • Category
  • Audio Amplifier or -mixer
  • Radiomuseum.org ID
  • 253051

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

 Technical Specifications

  • Number of Transistors
  • 3
  • Main principle
  • Audio-Amplification
  • Wave bands
  • - without
  • Power type and voltage
  • Powered by external power supply or a main unit.
  • Loudspeaker
  • - For headphones or amp.
  • from Radiomuseum.org
  • Model: EL3787 /00 - Philips; Eindhoven tubes
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 100 x 50 x 166 mm / 3.9 x 2 x 6.5 inch
  • Notes
  • Pre-amplifier for reproducing the 2nd channel of a mono 4-track tape recorder like EL3549A.

    The power is supplied by the tape recorder via the "stereo" 5 pin DIN connector.

    A loudspeaker output is not present - the use of an additional power amplifier or radio is required. 

    A function switch with 3 positions is present:

    1. reproduction at 9.5 cm/sec.
    2. reproduction at 19 cm/sec.
    3. Duoplay or multiplay.
  • Literature/Schematics (1)
  • -- Original-techn. papers.

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