Catalogue de radios anciennes
451A_WE
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Pays:
Etats-Unis
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| Identique à |
451A_WE
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| Culot |
Noval, 9 pin miniature (USA pico-9) B9A
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| Chauffage |
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| Description |
Ringer isolator, similar to 425A. Separate cathode for starter electrode, so that starting circuit is normally isolated from the main circuit. Red lacquered body.
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| Bibliographie |
Tube Lore (I)
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Just Qvigstad
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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