• Year
  • 1961–1964
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 166807
    • alternative name: Radio Corp.of Australia

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

 Technical Specifications

  • Number of Transistors
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 3 inch = 7.6 cm
  • Power out
  • 0.25 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Transistor 7 GPN-A - Astor brand, Radio Corporation
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Dimensions (WHD)
  • 9.25 x 6.25 x 2.75 inch / 235 x 159 x 70 mm
  • Notes
  • Astor GPN-A

    BC portable having seven transistors and diodes housed in cabinet in choice of two-tone colours.

    Features: inbuilt Ferrite rod aerial. Operates from one 9V battery. Speaker: 3"; output 0.3W. Controls: on-off, tuning.

    • Speaker Rola Type 3C (15 ohms).
    • Battery Eveready 276P.
    • Alternative battery types: Berec PP20, National 306S, Ray-O-Vac RR76P, Toshiba T306S & Vidor VT9.
    • Price includes battery.

    Cabinet front and escutcheon assemby colour combinations: Grey/Cherry Red, Old Rose/Charcoal, Charcoal/Lime, White/Cherry Red, Cherry Red/Grey, Charcoal/Old Rose, Lime/Charcoal, Cherry Red/White, Chartreuse/Charcoal & Charcoal/Chartruse.

    Escutcheon and name panel colour combinations: Grey/Cherry Red, Old Rose/Charcoal, Charcoal/Lime, White/Cherry Red, Cherry Red/Grey, Charcoal/Old Rose, Lime/Charcoal, Cherry Red/White, Chartreuse/Charcoal & Charcoal/Chartruse.

    Cabinet back assembly colours: Cherry Red, Charcoal, Lime, Grey, Old Rose, Chartreuse & White.

  • Net weight (2.2 lb = 1 kg)
  • 1.040 kg / 2 lb 4.7 oz (2.291 lb)
  • Price in first year of sale
  • 30.45 AUS £
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Astor Service Data GPN-1, 18/8/1961.)
  • Author
  • Model page created by Roger Brinkman. See "Data change" for further contributors.

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The model Transistor 7 is part of the collections of the following members.

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