Antique radios, Old Time Radios
A414
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Country:
Netherlands
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| Identical to |
A414
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| Similar
Tubes |
Other shape (e.g. bulb type):
A414K
Other characteristic (electr. data):
A415
|
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.08 Ampere / Direct / Battery = |
| Description |
Detector and first LF. Anti-microfonic tube.
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Dimensions (WHD)
incl. pins / tip |
41 x 93 x 31 mm / 1.61 x 3.66 x 1.22 inch |
| Information source |
- - Manufacturers Literature R730H 15-7-1929
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 98, p. 132p.
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren
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A414: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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Just Qvigstad
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A414: own collection
Peter den Boer
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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