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CV452

Country:  United States of America (USA)      Brand:  Common type USA 
  Tube type:  Double Diode-Triode   Audio Frequency 
Tube ID = 30505
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Identical to CV452 = 6AT6 = DH77 = EBC90

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If: 0.3 Ampere / -: Indirect / -: Parallel / series AC/DC /
Description Prototype was the 6AT6. 100% tested for main parameters. 
Text in other languages (may differ)
Literature -- Original-techn. papers.   

cv452_so.png
ARRL Handbook 1972
Michael Schlör

 
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CV452    

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