931 HG

Astor (brand), Radio Corporation Pty., Ltd.; Melbourne

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  • Year
  • 1939
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 173404
    • alternative name: Radio Corp.of Australia

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

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s); Reflex
  • Tuned circuits
  • 8 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 931 HG - Astor brand, Radio Corporation
  • Shape
  • Console, Lowboy (legs < 50 %).
  • Notes
  • This model has "Presto" automatic tuning and uses a synchronous vibrator power supply. The 2nd 1F7G is reflexed as I.F. and A.F. amplifier. This model is incorrectly shown in the Australian Official Radio Service Manual as the model 956.
  • Circuit diagram reference
  • Australian Official Radio Service Manual Vol. III
  • Literature/Schematics (1)
  • Mingay's Radio Diagram & I.F. Index
  • Author
  • Model page created by Stuart Irwin. See "Data change" for further contributors.

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