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221 ; Setchell Carlson, (ID = 411504) Radio
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221 ; Setchell Carlson, (ID = 411504) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Setchell Carlson, Inc.; St.Paul (MN)
Year: 1942 ? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 6A8 6K7 6Q7 6J5 6V6 6V6 6X5
Main principle Superheterodyne (common); ZF/IF 465 kHz
Tuned circuits 6 AM circuit(s)
Power type and voltage Line / Storage batteries (perhaps also batteries) / 110; 6 Volt
Power out
from Model: 221 - Setchell Carlson, Inc.; St.
Notes 110 V AC or 6 V DC supply; vibrator for +B; push-pull af output stage; farm radio.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 14 = 1944 = before 1943

All listed radios etc. from Setchell Carlson, Inc.; St.Paul (MN)
Here you find 107 models, 69 with images and 85 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.