Catalogue de radios anciennes
T3_Osram
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Pays:
Royaume Uni
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| Identique à |
T3_Osram
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| Première série |
Feb.1917
British Radio Valves - The Vintage Years: 1904-1925
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| Culot |
Wires
Connexion par fils.
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| Utilisé par |
Militaire et/ou Services Publics |
| Chauffage |
Vf 17.5 Volt / If 5.4 Ampère / Direct / Specified voltage AC/DC |
| Description |
350 W at 5000 V.
One of the first group of high vacuum power valves developed by the UK Navy's Signal Reserach Group. Known by the British Navy as NT3. First made by Osram Lamp Works February 1917.
At an exhibition in London in 1920, the heater rating was given as 18V, 3.4A and an output power of 330W. (Vyse & Jessop). Normally made with wires - two at one end for the filament and one at the other ensd for the anode. The grid was connected to a cap on the side of the tube. Also made with bayonet B22 base at each end - extremely rare.
Texte dans d'autres
langues (peut différer)
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Dimensions
(l x h x p)
incl.pins/tip |
x 305 x 150 mm / x 12.01 x 5.91 inch |
| Poids |
431 g / 15.20 oz |
| Bibliographie |
Saga of the Vacuum Tube, Tyne page 228-230
British Radio Valves - The Vintage Years: 1904-1925
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Collection de
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[rmxtube-fr, noindex]
| Mentions légales |
Plus d'informations |
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