• Country
• United States of America (USA)

• Manufacturer / Brand
• General Motors Radio Corp.

• Year
• 1931 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 42772

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

• Number of Tubes
• 6

• Valves / Tubes
• 24 27 35 24 47 80

• Main principle
• Superheterodyne (common); ZF/IF 175 kHz; Screengrid 1926-1935

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 50-60 Hz, 110 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Little Corporal 211A Ch= S-9A - General Motors Radio Corp.

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

• Notes

• 3-gang condensor.

  Stein "Cathedral & Tombstone Radios" lists 4 tubes for this model.

  There are two Little Corporal models:

  • 211A with chassis S-9A, which has the 110 VAC, 50-60 Hz power transformer.
  • 211B with chassis S-9B, which has the 110 VAC, 25 Hz power transformer (physically larger).

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 3 = 1933 and before

• Literature/Schematics (1)
• Machine Age to Jet Age II (page 147.)

• Literature/Schematics (2)
• Radio Collector`s Guide 1921-1932 (page 217.)

• Literature/Schematics (3)
• Cathedral & Tombstone Radios (page 126.)

• 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.