• Year
  • 1940
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 40776

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

 Technical Specifications

  • Number of Tubes
  • 6
  • Main principle
  • Superhet with RF-stage; ZF/IF 456 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • AC/DC-set / 117 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
  • from Radiomuseum.org
  • Model: S7422-9 - Firestone Tire & Rubber Co.
  • Dimensions (WHD)
  • 13 x 8 x 7 inch / 330 x 203 x 178 mm
  • Notes
  • Built in loop antenna.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 13 = 1942 and before
  • Literature/Schematics (1)
  • Riders 13-46

 Collections | Museums | Literature

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The model S7422-9 is part of the collections of the following members.

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