Antique radios, Old Time Radios
DF70
| Base |
Subminiatur-8, with space 1/8, B8D (Codex=Sm 3)
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| Filament |
Vf 0.625 Volts / If 0.025 Ampere / Direct / Battery = |
| Description |
Designed for Hearing Aid applications.
Typ Va=Vg2=30, Ia=0.4mA, gm=0.22mA/V.
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
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DF70: Philips Electron Tube Manual 1958
Rohlanda Redl
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DF70: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector
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Just Qvigstad
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DF70: Lorenz Empfänger-Röhren , 9. Auflage
Anonymous 54 Collector
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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