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BY3

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ID = 9826
       
Country:
France
Brand:
Developer: Common type France tube/semicond. 
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to BY3 = KT24
Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.2 Ampere / Direct / Battery =
Information source L'ABCDaire des lampes de TSF des jeunes années   p. 47
Taschenbuch zum Röhren-Codex 1948/49   
by3_so.png BY3: rtt
Anonymous 10 Collector

Just Qvigstad
 
Forum contributions about this tube
BY3
Threads: 1 | Posts: 1
Hits: 2372     Replies: 0
BY3 (BY3)
Peter den Boer
05.Apr.11 		  1
BY3 (BY3) 

The brand is changed into Common production France bvecause this tube is sold under the Mazda, Metal, Cyrnos and Eta brand.
 
BY3
End of forum contributions about this tube
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