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DB240

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ID = 16241
       
Country:
Great Britain (UK)
Brand: Hivac Ltd.; Harrow-on-the-Hill
Developer: Hivac Ltd.; Harrow-on-the-Hill 
Tube type:  Triple Triode   Power/Output 
Identical to DB240
First Source (s)
23.Mar.1934 : Wireless World (The), London (WW, 79)

Base British-7-Pin, old (M7A) (Codex=N) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.4 Ampere / Direct / Battery =
Description

Combination of the Hivac L210 and B220 tubes.

Output 1.25W into 14.5 k load.

 
Information source History of the British Radio Valve to 1940   p. 146 & 167
Babani, International Radio Tube Encyclopaedia   p. 92 & 93
Taschenbuch zum Röhren-Codex 1948/49

db240_sock.png DB240: Tabu Röhren-Codex, 1948
Anonymous 15 Collector


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