• Country
• Australia

• Manufacturer / Brand
• Astor (brand), Radio Corporation Pty., Ltd.; Melbourne

• 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.

• Number of Transistors
• 7

• Semiconductors
• 2N412 2N410 2N410 2N406 2N406 2N408 2N408

• 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.)

• Literature/Schematics (2)
• J.R. Publications Transistor Radio Service Handbook (Vol. 1, 1960 Supplement, Page A28.)

• Literature/Schematics (3)
• J.R. Publications Transistor Radio Service Handbook (A Series Handbook, Page A60. (Also at KevinChant.com))

• Literature/Schematics (4)
• Mingay's Price Service (Feb 1962 to Feb 1964.)

• Author
• Model page created by Roger Brinkman. See "Data change" for further contributors.

• Other Models

• Here you find 851 models, 466 with images and 359 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Astor (brand), Radio Corporation Pty., Ltd.; Melbourne