Catalogue de radios anciennes
D88526
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Pays:
Etats-Unis
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| Identique à |
D88526
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| Similaires |
Autre qualité (reste identique) :
D88057
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| Culot |
Large 4 pin Bayonet
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| Utilisé par |
Téléphonie |
| Chauffage |
Vf 12.5 Volt / If 6.25 Ampère / Direct / Specified voltage AC/DC |
| Description |
This tube is similar to a 212D but has 23 grid turns (normal 212D = 39 grid turns). This was for lower mu and plate impedance. It was designed for high gain/high power carrier telephone repeaters but was also used "in experimental television apparatus to operste (the) neon tube".
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Dimensions
(l x h x p)
incl.pins/tip |
x 345 x 92 mm / x 13.58 x 3.62 inch |
| Poids |
464 g / 16.37 oz |
| Bibliographie |
Tube Lore (II) Page 249
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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