Antique radios, Old Time Radios
LL525
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Country:
Great Britain (UK)
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| Identical to |
LL525
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| Similar
Tubes |
Normally replaceable-slightly different:
L525
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| First Source
(s) |
1926 : British Radio Valves - The Vintage Years: 1904-1925 p.47
1926 : History of the British Radio Valve to 1940 p.157
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| Predecessor Tubes |
L525
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 5 Volts / If 0.25 Ampere / Direct / Battery = |
| Information source |
British Radio Valves - The Classic Years: 1926-1946 Supplement, p. 15
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LL525: Fin Stewart
Fin Stewart
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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):2
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