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7Tube DC220

7Tube DC220 ; Insuline Corp. Of (ID = 474083) Radio
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7Tube DC220 ; Insuline Corp. Of (ID = 474083) Radio
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Country:  United States of America (USA)
Manufacturer / Brand:  Insuline Corp. Of America (ICA); New York City
Year: 1932 ?? Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 7: 39 36 39 36 37 71A 71A
Main principle Superhet with RF-stage; ZF/IF ? kHz; 2 AF stage(s)
Tuned circuits 7 AM circuit(s)
Wave bands Broadcast only (MW).
Details
Power type and voltage Direct Current supply (DC) / 220; 240 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out
from Radiomuseum.org Model: 7Tube DC220 - Insuline Corp. Of America ICA;
Notes Push-pull audio amplifier.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 3 = 1933 and before


All listed radios etc. from Insuline Corp. Of America (ICA); New York City
Here you find 89 models, 20 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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