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G81

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ID = 7813
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  High-vacuum Rectifier 
Identical to G81 = R81_USA = UX281 = CX381 = 481 = 281 = 81

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Filament Vf 7.5 Volts / If 1.2 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   

g81_so.png G81: ARRL Handbook 1972
Anonymous 10 Collector


Just Qvigstad
 
majestic_g81_e817.jpg

 

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