• Country
• United States of America (USA)

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

• Year
• 1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 56960

• • Brand: Silvertone

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

• Number of Tubes
• 6

• Valves / Tubes
• 39 36 36 89 89 80

• Main principle
• Superhet with RF-stage; ZF/IF 175 kHz

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 110 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: Silvertone 7050 - Sears, Roebuck & Co.; Chicago

• Notes
• Extended BC-band to cover police calls. Two 89's in parallel for output. Has only one IF transformer, no IF amplifier.
  There is another model 7050 of 1941. See also there.

• External source of data
• Ernst Erb

• Literature/Schematics (1)
• Rider's Perpetual, Volume 7 = 1936 and before (Riders 7-1, 2)

• Other Models

• Here you find 5479 models, 3211 with images and 4185 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Sears, Roebuck & Co.; Chicago (IL)