• Country
• United States of America (USA)

• Manufacturer / Brand
• Western Radio Mfg. Co. (Westrad) ; Chicago

• Year
• 1929

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 66140

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

• Number of Tubes
• 8

• Valves / Tubes

• Main principle
• TRF without regeneration

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent or electro-dynamic (moving coil), system not known yet.

• from Radiomuseum.org
• Model: SG80BM - Western Radio Mfg. Co. Westrad

• Notes
• Push-pull af output stage.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 6 = 1935 and before

• Other Models

• Here you find 14 models, 11 with images and 2 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Western Radio Mfg. Co. (Westrad) ; Chicago