• Year
  • 1937
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 68001
    • alternative name: Chicago Radio Lab

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superheterodyne (common); ZF/IF 456 kHz
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Power type and voltage
  • Alternating Current supply (AC) / 110-250 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: 7S258AT Ch=5709AT - Zenith Radio Corp.; Chicago,
  • Shape
  • Console with any shape - in general
  • Dimensions (WHD)
  • 25.9 x 40.8 x 13.8 inch / 658 x 1036 x 351 mm
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 9 = 1938 and before

 Collections | Museums | Literature

Collections

The model 7S258AT is part of the collections of the following members.

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