• Country
• United States of America (USA)

• Manufacturer / Brand
• Setchell Carlson, Inc.; St.Paul (MN)

• Year
• 1939 ?

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 57777

• • Brand: Doraphone

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

• Number of Tubes
• 9

• Valves / Tubes
• 6A8 6K7 6K7 6J5 6J5 25L6 25L6 25L6 25L6

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Tuned circuits
• 7 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Direct Current supply (DC) / 32 Volt

• from Radiomuseum.org
• Model: 330 - Setchell Carlson, Inc.; St.

• Notes
• Push-pull af output stage; farm radio;

• External source of data
• Ernst Erb

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

• Other Models

• Here you find 127 models, 70 with images and 99 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Setchell Carlson, Inc.; St.Paul (MN)