• Country
• United States of America (USA)

• Manufacturer / Brand
• General Motors Radio Corp.

• Year
• 1931/1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 18655

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

• Number of Tubes
• 7

• Valves / Tubes
• 24 27 35 35 27 47 80

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

• Tuned circuits
• 9 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: Tudor 216 Ch= S-1A - General Motors Radio Corp.

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Dimensions (WHD)
• 380 x 485 x 250 mm / 15 x 19.1 x 9.8 inch

• Notes
• 60 Cycles.

• Net weight (2.2 lb = 1 kg)
• 13.8 kg / 30 lb 6.3 oz (30.396 lb)

• Price in first year of sale
• 95.00 $

• External source of data
• E. Erb 3-907007-36-0

• Circuit diagram reference
• Die «Thali Schemasammlung» führt das Modell.

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• Literature/Schematics (1)
• Rider's Perpetual, Volume 2 = 1932 and before

• Literature/Schematics (2)
• Radio Collector`s Guide 1921-1932

• Other Models

• Here you find 59 models, 29 with images and 49 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from General Motors Radio Corp.