• Year
  • 1948
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 292864

 Technical Specifications

  • Number of Tubes
  • 4
  • Valves / Tubes
  • Main principle
  • Superheterodyne (common); 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Dry Batteries
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: PK4X - University / University Graham
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • This was a kit set for home construction.  The price included all parts including four minature valves and batteries.  Valve types not stated in advertisement referred to below but were most likely 1R5, 1T4, 1S5 and 3S4 or 3V4.

  • Price in first year of sale
  • 16.98 Aus£
  • Mentioned in
  • Australasian Radio World, Feb, 1948 Back Cover.
  • Author
  • Model page created by Stuart Irwin. See "Data change" for further contributors.

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