Radio Antica e Radio d'epoca
NR7
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Stato:
Gran Bretagna (Regno Unito)
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Produttore:
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| Tipo: |
Triodo a vuoto Universal |
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<1925 very rare |
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| Identico a |
NR7
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| Valvole
simili |
Sostituita normalmente - piccola diff.:
NR7A
Other characteristic (electr. data):
NR13
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| Zoccolo |
IS-1 (Interservice, UK 1918)
Sidecontact.
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| Utilizzata per |
Militaire et/ou Services Publics |
| Filamento |
Vf 3 Volt / If 0.48 Ampere / Direct / Specified voltage AND current AC/DC |
| Descrizione |
This was among the last of the "R" series tubes manufactured for the UK Navy and is very similar to the NR7A and the NR13. Elements are horizontal to axis of the tube. Also made by Mullard. Commercial type number R7
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Dimensioni
(LxAxP)
incl.pins/tip |
x 85 x 31 mm / x 3.35 x 1.22 inch |
| Bibliografia |
British Radio Valves - The Vintage Years: 1904-1925 Pages 39, 40, 86 & 119
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Collezione di
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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