• Year
  • 1936 ??
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 57051
    • Brand: Silvertone

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 456 kHz
  • Tuned circuits
  • 6 AM circuit(s)
  • Wave bands
  • Broadcast and Short Wave (SW).
  • Power type and voltage
  • Alternating Current supply (AC) / 105-120 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
  • from Radiomuseum.org
  • Model: Silvertone 7133 - Sears, Roebuck & Co.; Chicago
  • Notes
  • The chassis of this model is similar to Echophone 143, for electrical changes see Riders schematic.
  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 7 = 1936 and before
  • Literature/Schematics (1)
  • Riders 7-63 ; Riders 5-4 Echophone

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