Antique radios, Old Time Radios
Y73
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Country:
Great Britain (UK)
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| Identical to |
Y73
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| First Source
(s) |
1940 : - - Manufacturers Literature
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 6.3 Volts / If 0.16 Ampere / Indirect / Specified voltage AND current AC/DC |
| Description |
"Tuneray" Magic Eye, part of the "Uniwatt" range designed for universal 6/6.3V ac/battery and series operation.
Va,Vt <180 at It =4.5mA. -21V for minimum shadow angle.
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| Information source |
- - Manufacturers Literature
British Radio Valves - The Classic Years: 1926-1946 Supplement, p. 153
History of the British Radio Valve to 1940
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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Y73: Fin Stewart
Fin Stewart
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Just Qvigstad
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