• Year
  • 1966–1968
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 205440
    • alternative name: Radio Corp.of Australia

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

 Technical Specifications

  • Number of Transistors
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 4 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries / AA: 4 x 1.5 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.75 inch = 7 cm
  • Power out
  • 0.1 W (unknown quality)
  • Material
  • Plastics (no bakelite or catalin)
  • from Radiomuseum.org
  • Model: Transistor P20R - Astor brand, Radio Corporation
  • Shape
  • Very small Portable or Pocket-Set (Handheld) < 8 inch.
  • Dimensions (WHD)
  • 6 x 3.25 x 1.5 inch / 152 x 83 x 38 mm
  • Notes
  • 5 transistor broadcast pocket portable in charcoal, with carrying case and earpiece.

    Replaceable circular paper scale, user installed for different states.

  • Net weight (2.2 lb = 1 kg)
  • 1 lb 2 oz (1.125 lb) / 0.511 kg
  • Price in first year of sale
  • 49.00 AUS $
  • Literature/Schematics (1)
  • -- Original-techn. papers. (Astor Service Data, P20-1, 22/11/1966.)
  • Author
  • Model page created by Gilles Vrignaud. See "Data change" for further contributors.

 Collections | Museums | Literature

Collections

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

 Forum

Forum contributions about this model: Astor brand, Radio: Transistor P20R

Threads: 1 | Posts: 1

The circuit board has CD61 in copper on on side and OP61 screen printed on the other.

Brian Wilson, 10.Aug.13

Weitere Posts (1) zu diesem Thema.