Antique radios, Old Time Radios
N4
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Country:
Germany
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| Identical to |
N4
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| Base |
Duodecal (12-pin), B12A (not glass)
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| Filament |
--/-- |
| Description |
Dekadenzählröhre
Bereitschaftsspannung: min. 300 V
Katodenstrom: 1...2 mA
Grenzfrequenz: 25 kHz
Spannung des Zählsignals: 25 V
Eine Zählrichtung, alle Katoden einzeln herausgeführt.
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Just Qvigstad
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