Antique radios, Old Time Radios
WD4
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Country:
Austria
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| Identical to |
WD4
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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 4 Volts / If 0.06 Ampere / Direct / Battery = |
| Description |
This tube used in Resistance Coupled circuits.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature 1931 data booklet
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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| Data Compliance |
More Information |
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