• Year
  • 1936
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 57089
    • Brand: Silvertone

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

 Technical Specifications

  • Number of Tubes
  • 7
  • Main principle
  • Superhet with RF-stage; ZF/IF 465 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast, Short Wave(s) and Police.
  • Power type and voltage
  • Alternating Current supply (AC) / Either Transformer 25 cycles, 105 to 125V or 50 to 60 cycles, 105 to 125 Volt
  • Loudspeaker
  • Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 10 inch = 25.4 cm
  • from Radiomuseum.org
  • Model: Silvertone 7181 - Sears, Roebuck & Co.; Chicago
  • Notes
  • The Sears Silvertone 7181 is an AC operated 7 tube BC, Police and SW band receiver.

    The chassis and schematic used for this model is also used for model 7182.


    See details and summaries about Sears catalogs etc. This model was manufactured for Sears by Howard Radio Co., Chicago, Ill (Sears Manufacturer Source Number Code 107).

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 9 = 1938 and before

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