Jewel Case Q4 Early

Pye Ltd., Radio Works; Cambridge

  • Year
  • 1960
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 102380

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 470 kHz; 2 AF stage(s)
  • Tuned circuits
  • 5 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Dry Batteries / 9 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Various materials
  • from Radiomuseum.org
  • Model: Jewel Case Q4 [Early] - Pye Ltd., Radio Works;
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes
  • Early production used 6 transistor of the type "Yellow Circle".
    Later production used 7 transistors.
    The Pye Jewel Case Q4 (early) uses the same circuit board (041195)
    as the Pam (unknown) Portable.
  • Circuit diagram reference
  • Radio and TV Servicing books (R&TVS) book
  • Mentioned in
  • -- Original-techn. papers.
  • Author
  • Model page created by Peter Hoddow. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum