Transistor CPN

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

Data
Forum
Pictures
Collections

  • Year
  • 1958/1959
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 198544
    • alternative name: Radio Corp.of Australia

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

 Technical Specifications

  • Number of Transistors
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / 4 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 7 cm = 2.8 inch
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Transistor CPN - Astor brand, Radio Corporation
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 150 x 95 x 40 mm / 5.9 x 3.7 x 1.6 inch
  • Notes

  • Astor CPN

    The first Australian pocket portable. In an attractive gift pack complete with earphone for personal listening. Six transistors give high sensitivity and powerful performance. Four colour combination.

    This radio is unusual in that it uses a circuit board but not a “Printed” circuit board. The board is punched or drilled and all wiring is “point to point” on the “non-component: side of the board. There are actually three components on that side of the board. All transistors are mounted in sockets. When the board is removed from the case, the tuning dial remains captive in the fascia. The front panel is clear perspex.

    • Speaker 2¾" Rola Type 2 C.
    • Batteries 4 x 1.5V AA.
    • Colours avalable in Blossom Pink, Coral, Cherry Red, Chinese Red, Dark Green, Grey, Black, Lime, Tan, Lawn Green & Charcoal. Each colour is available in four versions to suit NSW, VIC/TAS, QLD & SA/WA.
  • Net weight (2.2 lb = 1 kg)
  • 0.480 kg / 1 lb 0.9 oz (1.057 lb)
  • Price in first year of sale
  • 34.65 AUS £
  • Literature/Schematics (1)
  • - - Manufacturers Literature (Astor Technical Bulletin CPN-1, 12/11/1958; CPN-2, 12/2/1959 & CPN-3, 27/4/1959.)
  • Author
  • Model page created by Stuart Irwin. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

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

Literature

The model Transistor is documented in the following literature.

 Forum

Forum contributions about this model: Astor brand, Radio: Transistor CPN

Threads: 1 | Posts: 1

If ever any radio can be called a "Transision Model", this would qualify. The Circuit Board is drilled and there is no printed copper, just point-to-point wiring. The larger Astors of this era, E.G. the HPN, used tag strips and point-to-point wiring whilst all the later "pocket" radios that are the same size as the CPN use printed circuit boards. The wiring from the rod antenna to the board is over-long and flimsy. Along with many (most?) transistor radios of this era, my example has suffered from leaking batteries. 

Attachments

Brian Wilson, 25.Feb.14

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