Antique radios, Old Time Radios
VR7
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Country:
Germany
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| Identical to |
VR7
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.36 Ampere / Direct / Battery = |
| Description |
Die VR7 ist eine frühe Röhre von Niggl. Die VR7 weist einen Metallsockel auf.
Ua = 30 / 90 / 150 V
Sättigung = 15 mA
Steilheit = 0.4 mA / V
Innenwiderstand: 20 kΩ
Durchgriff: 12,5 %
In einigen Anzeigen wird die VR7 als VR-VII geschrieben.
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| Information source |
-- Collector info (Sammler) Il Radio Giornale Nr 3, Marzio 1926
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Just Qvigstad
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