Antique radios, Old Time Radios
DB240
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Country:
Great Britain (UK)
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| Identical to |
DB240
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| First Source
(s) |
23.Mar.1934 : Wireless World (The), London (WW, 79)
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| Base |
British-7-Pin, old (M7A) (Codex=N)
Top contact screw type.
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| 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.
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| 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
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DB240: Tabu Röhren-Codex, 1948
Anonymous 15 Collector
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Just Qvigstad
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