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Counter Demonstrator D-1

Counter Demonstrator D-1 ; CBS-Columbia Inc.; (ID = 706295) R-Player
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Counter Demonstrator D-1 ; CBS-Columbia Inc.; (ID = 706295) R-Player
Select picture or schematic to display from thumbnails on the right and click for download.
 
Country:  United States of America (USA)
Manufacturer / Brand:  CBS-Columbia Inc.; New York, NY
alternative name
 
CBS Electronics || Columbia Phonographs || Columbia Records
Year: 1940 Category: Sound/Video Recorder and/or Player
Valves / Tubes 1: 70L7GT
Main principle Audio-Amplification
Wave bands - without
Details Record Player (perh.Changer)
Power type and voltage Alternating Current supply (AC) / 110-120 Volt
Loudspeaker Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm
Power out
from Radiomuseum.org Model: Counter Demonstrator D-1 - CBS-Columbia Inc.; New York,
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 13 = 1942 and before


All listed radios etc. from CBS-Columbia Inc.; New York, NY
Here you find 334 models, 195 with images and 290 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.



  
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