• Year
  • 1951 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 68222
    • alternative name: Chicago Radio Lab

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Details
  • Changer (Record changer)
  • Power type and voltage
  • Alternating Current supply (AC) / 60 Hz, 117V = 110 -120 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5.25 inch = 13.3 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: H665R Ch= 6H01 - Zenith Radio Corp.; Chicago,
  • Shape
  • Tablemodel, with any shape - general.
  • Notes
  • Zenith model H665R is a radio - phono combination superheterodyne receiver with loop antenna.

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 21, Copyright 1950

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