• Year
  • 1958
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 263319
    • alternative name: Radio Corp.of Australia

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Number of Transistors
  • 1
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz; 3 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt
  • Loudspeaker
  • - This model requires external speaker(s).
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: QJ - Astor brand, Radio Corporation
  • Shape
  • Chassis only or for «building in»
  • Notes
  • Hybric car radio, two unit + speaker.  Permeability tuned.

    2N278 changed to 2N301 (E.I.L. Bulletin QJ-4, 28/5/1959). Modfications to mounting & circuit required. Later units used CTP1138 & AT1138 which are a direct replacement for 2N301. No modifications required as per Bulletin QJ-4, except for bias readjustment. (EIL Bullletin QJ-5, 29/10/1959.

    See also Air Chief model QJ.

  • Price in first year of sale
  • 57.75 AUS £
  • Literature/Schematics (1)
  • - - Manufacturers Literature (E.I.L. Technical Bulletins QJ-1, 23/7/1958; QJ-2, 31/7/1958; QJ-3, 2/10/1958 & QJ-4, 28/1/1959.)
  • Literature/Schematics (2)
  • - - Manufacturers Literature (E.I.L. Technical Bulletin QJ-5, 29/10/1959.)
  • Author
  • Model page created by Stuart Irwin. See "Data change" for further contributors.

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