Antique radios, Old Time Radios
407H
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Country:
Austria
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Brand:
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Eagle; Wien |
| Tube type: |
Triode, vacuum RF/IF-Stage |
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| Identical to |
407H
|
| Similar
Tubes |
Normally replaceable-slightly different:
A435
; RE074neutro
|
| First Source
(s) |
Aug.1930 : Philips Bulletin R1164, p. 27
|
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 0.07 Ampere / Direct / Battery = |
| Information source |
Röhren-Vademecum; P.H. Brans; Antwerpen p. 128
- - Manufacturers Literature Preisliste 1931
Taschenbuch zum Röhren-Codex 1948/49
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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407H: rtt
Anonymous 10 Collector
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Just Qvigstad
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407H: own collection
Peter den Boer
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