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CV452

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

Base Miniatur-7-Pin-Base B7G, USA 1940
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.   
 
6at6_mullard_nl_back.jpg
CV452: Private collection
Emilio Ciardiello

 
cv452_so.png
CV452: ARRL Handbook 1972
Michael Schlör

 
cv452_1.png
CV452: Manufacturer's Literature
Emilio Ciardiello


Usage in Models 1= 1955?? ; 1= 1960??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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