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677B

677B ; Gamble-Skogmo, Inc.; (ID = 371249) Car Radio
 
677B ; Gamble-Skogmo, Inc.; (ID = 371250) Car Radio
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677B ; Gamble-Skogmo, Inc.; (ID = 371249) Car Radio
Select picture or schematic to display from thumbnails on the right and click for download.
 
Country:  United States of America (USA)
Manufacturer / Brand:  Gamble-Skogmo, Inc.; Minneapolis, MN
Brand
 
Coronado
Year: 1939 ?? Category: Car Radio, perhaps also + sound player/recorder
Valves / Tubes 6: 6K7 6A8 6K7 6Q7 6V6 0Z4 or 6X5
Main principle Superhet with RF-stage; ZF/IF 465 kHz
Wave bands Broadcast only (MW).
Details
Power type and voltage Storage Battery for all (e.g. for car radios and amateur radios) / 6.3 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 8 inch = 20.3 cm
Power out
from Radiomuseum.org Model: 677B - Gamble-Skogmo, Inc.;
Notes Vibrator for +B.
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 10 = 1939 and before


All listed radios etc. from Gamble-Skogmo, Inc.; Minneapolis, MN
Here you find 651 models, 289 with images and 594 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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