Antique radios, Old Time Radios
D040
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Country:
Great Britain (UK)
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| Identical to |
D040
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| Base |
L4 British large 4 pin (1922, LG4)
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| Was used by |
Transmittertube (Radio) |
| Description |
Mentioned on advertisement by Mullard, April 1932. 1kw 40 watt transmitting tube
See also DO40 which is the correct name for this valve.
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Dimensions (WHD)
incl. pins / tip |
78 x 172 x mm / 3.07 x 6.77 x inch |
| Information source |
- - Manufacturers Literature
British Radio Valves - The Vintage Years: 1904-1925 Page129
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Just Qvigstad
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| Data Compliance |
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