Antique radios, Old Time Radios
9A1_5pin
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Country:
Great Britain (UK)
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| Identical to |
9A1_5pin
= VT126
= CV1690
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| Similar
Tubes |
Other base:
9A1
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| Base |
Europe 5-Pin , B5 (Eu O, F, O5A) 1928
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Marketed under the Micromesh label. Variable mu tube.
Va <250, Vs <100; gm =4.25mA/V at Ia=5mA.
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| Information source |
Wireless World (The), London (WW, 79) Data Nov 1936
Babani, International Radio Tube Encyclopaedia Pages 16 & 17
History of the British Radio Valve to 1940
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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9A1_5pin: Manufacturer's Literature
Emilio Ciardiello
More ...
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Just Qvigstad
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9A1_5pin: Brimar Radio Valves 1936
Adrian Riesen
More ...
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