Radio Antica e Radio d'epoca
R2A
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Stato:
Gran Bretagna (Regno Unito)
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| Identico a |
R2A
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| Valvole
simili |
Sostituita normalmente - piccola diff.:
R2_England
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| Prime serie |
1918
Saga of the Vacuum Tube, Tyne page 216
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| Prime
informazioni |
Sep.1917 : British Radio Valves - The Vintage Years: 1904-1925 p.25
Sep.1917 : Saga of the Vacuum Tube, Tyne
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| Sostituisce i modelli |
R2_England
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| Zoccolo |
Edison (candelabra) 12 mm
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| Utilizzata per |
Radio/TV-reception etc. |
| Filamento |
Vf 3.3 Volt / If 1.1 Ampere / Direct / Battery = |
| Descrizione |
Soft valve of similar construction as the French TM. Filled with Helium at a pressure of 0.6 mm Mercury. Thrower quotes 1.2 Amp at 3.5 Volts.
Exhibited by MOV at Physical Society display in London in January1920. Booklet for this display shows the anode voltage range quoted was 25 to 40 volts. on pages 4 & 7
The tube was mostly made with E12 (CES) base but the B4 base was optional. The tube was used by the British Navy in the last year of World War One.
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| Bibliografia |
- - Manufacturers Literature Booklet
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Collezione di
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[rmxtube-en]
| Conformità dei dati |
Ulteriori informazioni |
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