Radios antiguas y Radios de Colección
D88057
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País:
Estados Unidos
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| Idéntica a |
D88057
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| Válvulas similares |
Other class quality (otherwise equal):
D88526
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Válvulas Sucesoras
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308A
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| Base |
Large 4 pin Bayonet
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| Usada en |
Telefonìa |
| Filamento |
Vf 12.5 Volt / If 6.25 Ampere / Direct / Specified voltage AC/DC |
| Descripción |
This tube is a low impedance version of the 212D and had half the grid turns. It was used for experimental work and also for high gain/high power telephone repeaters.
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Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
x 345 x 92 mm / x 13.58 x 3.62 inch |
| Peso |
464 g / 16.37 oz |
| Literatura |
Tube Lore (II) Page 249
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[rmxtube-en]
| Cumplimiento de datos |
Más información |
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