• Country
• United States of America (USA)

• Manufacturer / Brand
• Detrola; Detroit (MI)

• Year
• 1936 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 37173

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

• Number of Tubes
• 6

• Valves / Tubes
• 6A7 6D6 76 6C6 43 25Z5

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast, Short Wave(s) and Police.

• Power type and voltage
• AC/DC-set

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 140 - Detrola; Detroit MI

• Shape
• Tablemodel without push buttons, Mantel/Midget/Compact up to 14

• Notes

• "Under no circumstances should a ground wire be attatched to this receiver"

  Stein refers to two bands only.

• External source of data
• Ernst Erb

• Source of data
• Machine Age to Jet Age III

• Circuit diagram reference
• Rider's Perpetual, Volume 8 = 1937 and before

• Mentioned in
• Cathedral & Tombstone Radios (page 95.)

• Other Models

• Here you find 330 models, 192 with images and 287 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Detrola; Detroit (MI)