• Year
  • 1931
  • Category
  • Service- or Lab Equipment
  • Radiomuseum.org ID
  • 228630
    • alternative name: GenRad

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

 Technical Specifications

  • Number of Tubes
  • 2
  • Wave bands
  • Wave Bands given in the notes.
  • Power type and voltage
  • Alternating Current supply (AC) / 50 to 60 cycles, 115 Volt
  • Loudspeaker
  • - - No sound reproduction output.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Oscillator 508-A - General Radio Company;
  • Shape
  • Tablemodel, Box - most often with Lid (NOT slant panel).
  • Dimensions (WHD)
  • 15.25 x 9.5 x 11.25 inch / 387 x 241 x 286 mm
  • Notes
  • The General Radio 508-A is an AC operated Audio Oscillator, with output frequency range from 200Hz to 4.0KHz. Operates with 50 to 60 Hz 115 AC power. Has black engraved front panel mounted in wooden cabinet.  Top of cabinet opens for access to circuitry.  Circuitry is completely enclosed with internal metal cabinet.

    The output can be set to the following 10 specific frequencies:

    0.2 kHz
    0.3 kHz
    0.4 kHz
    0.6 kHz
    0.8 kHz
    1.0 kHz
    1.6 kHz
    2.0 kHz
    3.0 kHz
    4.0 kHz

  • Price in first year of sale
  • 120.00 USD
  • Author
  • Model page created by John Kusching. See "Data change" for further contributors.

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