• Country
• United States of America (USA)

• Manufacturer / Brand
• Zephyr Radio Co.; Detroit, MI

• Year
• 1938

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 68396

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

• Number of Tubes
• 3

• Valves / Tubes
• 6D6 6C6 25A7

• Number of Transistors

• Semiconductors
• K80B_Ballast

• Main principle
• TRF without regeneration

• Tuned circuits
• 2 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set

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

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: Marshall - Zephyr Radio Co.; Detroit, MI

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

• Dimensions (WHD)
• 7.5 x 7 x 6 inch / 191 x 178 x 152 mm

• Notes
• Similar to 31X5; Ballast K80B; top handle, but not a real portable.
  Also similar case: Clinton 354 (1937).See "A Blast from the Past", p.196.

• External source of data
• Ernst Erb

• Source of data
• -- Collector info (Sammler)

• Circuit diagram reference
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Mentioned in
• A Blast from the Past (for the similar looking Clinton 354.)

• Literature/Schematics (1)
• Machine Age to Jet Age III (similar to 31X5)

• Other Models

• Here you find 90 models, 26 with images and 76 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Zephyr Radio Co.; Detroit, MI