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CV1222

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ID = 15687
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Transmitting Triode, air cooled 
Identical to CV1222 = NT39 = AT75 = ACT6 = 813_Triode
Predecessor Tubes ACT6  

Base (Codex=By) Top contact with a cap
Was used by Military and/or Government
Filament Vf 10 Volts / If 1.65 Ampere / Direct
Description 75W max plate dissipation, External anode with integral finned radiator. Large 4-pin bayonet base.
1500V max operating voltage, amplification factor 22
37MHz max frequency for 75% anode rating. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
-- Original-techn. papers.   
 
gb_cv_1222.jpg
CV1222: Ebay UK auction item 201934999375 20thcenturycharlie
Howard Craven

 
cv1222nt39at75_1_2.png
CV1222: Manufacturer's Literature
Emilio Ciardiello


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