• Year
  • 1939 ?
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 40803

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

 Technical Specifications

  • Number of Tubes
  • 5
  • Main principle
  • Superheterodyne (common); ZF/IF 455 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Line / Batteries (any type) / 117V AC/DC / 90 & 6 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
  • from Radiomuseum.org
  • Model: S7427-5 - Firestone Tire & Rubber Co.
  • Notes
  • Built in loop antenna.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 10 = 1939 and before
  • Literature/Schematics (1)
  • Riders 10-8

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