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VT-74

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ID = 8422
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to VT-74 = 5Z4 = CV1864

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vn)
Filament Vf 5 Volts / If 2 Ampere / Half indirect
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   

s_267_g_1.gif VT-74: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

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Just Qvigstad
Usage in Models 1= 1942

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
5z4_883rm400s~~1.jpg

VT-74
 

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