Antique radios, Old Time Radios
W420
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Country:
Austria
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| Identical to |
W420
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| Similar
Tubes |
Normally replaceable-slightly different:
B438
; HR410
; R406
; W406
; W411
Heater different:
HR607
|
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.1 Ampere / Direct / Battery = |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
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W420: rtt
Anonymous 10 Collector
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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
Collection of
Collection of a member from D |
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