Antique radios, Old Time Radios
W4
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Country:
Austria
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|
| Identical to |
W4
|
| Similar
Tubes |
Normally replaceable-slightly different:
407W
; A425
; HR406
; RE034
; W412
|
| 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 = |
| Description |
The same tube (W4) is also branded Sator and Orion.
|
Dimensions (WHD)
incl. pins / tip |
47 x 88 x mm / 1.85 x 3.46 x inch |
| Weight |
50 g / 1.76 oz |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49 Sator Röhrenliste 1934
Röhren-Vademecum; P.H. Brans; Antwerpen p. 97
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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W4: g.heigl
Gerhard Heigl
More ...
|
Just Qvigstad
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W4: g.heigl
Gerhard Heigl
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
Collection of
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