Radios antiguas y Radios de Colección
PR216A
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País:
Estados Unidos
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| Idéntica a |
PR216A
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| Fuente principal
(es) |
1926 : -- Original prospect or advert
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| Base |
UX-Base (4 Pins (2 thick, USA 1924)
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| Usada en |
Radio/TV-reception etc. |
| Filamento |
Vf 7.5 Volt / If 0.75 Ampere / Direct / Specified voltage AC/DC |
| Descripción |
This tube was developed by Perryman and first advertised towards the end of 1925. It used an oxide coated filament with low current capacity, which made it quite different to the RCA UX216B. They were used in some battery eliminators.
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Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
x 108 x 45 mm / x 4.25 x 1.77 inch |
| Peso |
48 g / 1.69 oz |
| Literatura |
Radio Engineering June 1927, page 775
-- Collector info (Sammler)
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PR216A: Fin Stewart
Fin Stewart
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Just Qvigstad
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PR216A: Manufacturer's Literature 1926
Anónimo 15 Coleccionista
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