• Country
• United States of America (USA)

• Manufacturer / Brand
• Sears, Roebuck & Co.; Chicago (IL)

• Year
• 1936

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 57062

• • Brand: Silvertone

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

• Number of Tubes
• 4

• Valves / Tubes
• 78 77 43 25Z5

• Main principle
• TRF (Tuned-Radio-Frequency but use of regeneration unknown)

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / Either DC 105 to 125V or AC 25 to 60 cycles, 105 to 125 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 5 inch = 12.7 cm

• from Radiomuseum.org
• Model: Silvertone 7152 - Sears, Roebuck & Co.; Chicago

• Notes

• The Sears Silvertone 7152 is an AC/DC operated 4 tube BC band receiver.

  Uses 175 ohm resistive line cord (Curtain burner).  Chassis is similar to Echophone model 128, see Riders schematic for changes.

  See details and summaries about Sears catalogs etc. This model was manufactured for Sears by Corona Radio and Television Corp., Chicago, Ill (Sears Manufacturer Source Number Code 104).

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 7 = 1936 and before

• Literature/Schematics (1)
• Rider's Perpetual, Volume 7 = 1936 and before (Riders 7-67 ; 10-92)

• Literature/Schematics (2)
• Silvertone Radios, Service Inf. 1928 thru 1936 (Pages 930 to 931)

• Other Models

• Here you find 5480 models, 3212 with images and 4186 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)