Antique radios, Old Time Radios
OP42
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Country:
Great Britain (UK)
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| Identical to |
OP42
= PenA4
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| Base |
British-7-Pin, old (M7A)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 2 Ampere / Indirect |
| Description |
3.8W audio output.
Probably made for Ekco by Mullard - a rebranded PenA4.
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| Information source |
- - Manufacturers Literature
History of the British Radio Valve to 1940 p. 146
British Radio Valves - The Classic Years: 1926-1946
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Just Qvigstad
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6
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