Silvertone 7047

Sears, Roebuck & Co.; Chicago (IL)

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  • Year
  • 1933
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 227817
    • Brand: Silvertone

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

 Technical Specifications

  • Number of Tubes
  • 10
  • Main principle
  • Superhet with RF-stage; ZF/IF 175 kHz; 2 AF stage(s)
  • Tuned circuits
  • 7 AM circuit(s)
  • Wave bands
  • Broadcast only (MW).
  • Power type and voltage
  • Alternating Current supply (AC) / Either transformer: 25 cycles, 110V or 60 cycles, 110V or 60 cycles, 220 Volt
  • Loudspeaker
  • 2 Loudspeakers
  • from Radiomuseum.org
  • Model: Silvertone 7047 - Sears, Roebuck & Co.; Chicago
  • Notes

  • The Sears Silvertone 7047 is an AC operated 10 tube BC band receiver. Has Qty(2) Electro Magnetic Dynamic(moving-coil with field excitation coil) speakers with field coils wired in series.  Output tubes are wired in parallel.

    Chassis and schematic used in this model also used in models 7043, 7044, 7045 and 7046. Riders Sears 5-51, 52 schematic is for model 7043 but Sears Silvertone Service Manual 1928 thru 1936 confirms that models 7043 and 7047 use the same schematic, thus Riders schematic is valid for this model.

    See details and summaries about Sears catalogs etc. This model was manufactured for Sears by Wholesale Radio Service Co., New York, NY (Sears Manufacturer Source Number Code 118).

  • External source of data
  • Ernst Erb
  • Circuit diagram reference
  • Rider's Perpetual, Volume 5 = ca. 1934 and before
  • Author
  • Model page created by John Kusching. See "Data change" for further contributors.

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