Antique radios, Old Time Radios
PM254
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Country:
Great Britain (UK)
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| Identical to |
PM254
= CV1153
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| Similar
Tubes |
Normally replaceable-slightly different:
420SP
; L44
Other base:
PM254_UX
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| First Source
(s) |
1929 : History of the British Radio Valve to 1940 p. 165
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Successor Tubes
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NR16
CV1154
NR16A
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 3.6 Volts / If 0.2 Ampere / Direct / Battery = |
| Description |
"Super-Power" Valve. Gm of 3 for Va=100, Ia=10.0, -Vg=15. Optimum load=6k.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia p. 130 & 131
- - Manufacturers Literature
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PM254: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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PM254: Mfg. data sheet
Jay Kinnard
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4
Collection of
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