Diamond Dot BJL

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

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  • Year
  • 1958
  • Category
  • Car Radio, perhaps also + sound player/recorder
  • Radiomuseum.org ID
  • 291784
    • 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
  • Number of Transistors
  • 2
  • Main principle
  • Superhet with RF-stage; ZF/IF 455 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt
  • Loudspeaker
  • Permanent or electro-dynamic (moving coil), system not known yet.
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: Diamond Dot BJL - Astor brand, Radio Corporation
  • Shape
  • Chassis only or for «building in»
  • Notes

  • This radio is designed for positive earth vehicles only.

    Some later models changed valve 6DS8 to 12AD6 & 6BA6 to 12BA6. Transistor type CK874 changed to TS3-Z.

    See also Air Chief model BJL.

  • Price in first year of sale
  • 52.50 AUS £
  • Literature/Schematics (1)
  • - - Manufacturers Literature (E.I.L. Service Bulletin BJL-1, 5/9/1958; BJL-2, 30/1/1959 & BJL-3, 23/11/1959.)
  • Author
  • Model page created by Martin Kent. See "Data change" for further contributors.

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