Catalogue de radios anciennes
R-1790
Pays:
Etats-Unis
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Identique à |
R-1790
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Successeurs
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1939
1630
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Culot |
SPECIAL TUBEBASE in general
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Utilisé par |
Radar |
Chauffage |
Indirect |
Description |
Orbital-beam hexode electron-multiplier VHF amplifier (secondary emission). This appears to be a very early prototype of the 1630 VHF amplifier. Giant acorn body, with 12 equally spaced radial pins.
The code is written by hand, with the date, Aug. 15,'39, and with a series of numbers, 15/4.7 - 16.
This sample comes with its lab built socket and bottom copper shield.
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Dimensions (l x h x p) incl.pins/tip |
55 x x mm / 2.17 x x inch |
Prix |
1 Prix (visible pour membres seulement)
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Bibliographie |
-- Collector info (Sammler)
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Collection de
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[rmxtube-fr, noindex]
Mentions légales |
Plus d'informations |
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