Dublette / Duplicate ID = 104443

McMichael Radio Ltd.; Slough

Data
Forum
Pictures
Collections

  • Year
  • 9999
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 238652
    • alternative name: McMichael, Leslie

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Superheterodyne (common); ZF/IF 465 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Dry Batteries / 1.5 & 90 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Dublette / Duplicate ID = 104443 - McMichael Radio Ltd.; Slough
  • Shape
  • Portable set > 8 inch (also usable without mains)
  • Notes

  • Appears to be Minature tube (B7G valve) version of 463 (octal bases), identical batteries, tuning mechanism, almost identical chassis layout and circuit (V3 Pentode + diode rather than triode + diode), may be indentical case (same chassis removal instructions and appearance).

    Possibly painted crackle finish.

    Batteries: Batrymax B117 90V HT and All-Dry 32 1.5V LT, about 150 hours.

    Dual loop/frame aerials with adjustable loading coils to tune LF end of band.

    Early production may have RCA/Sylvania/Brimar designation equivalent tubes. 

    Price excluded Purchase tax but included batteries.

  • Price in first year of sale
  • 15.75 GBP
  • Author
  • Model page created by Michael Watterson. See "Data change" for further contributors.

 Collections | Museums | Literature

 Forum