Antique radios, Old Time Radios
KT73
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Country:
Great Britain (UK)
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| Identical to |
KT73
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| Similar
Tubes |
Heater different:
KT72
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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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| Filament |
Vf 6 Volts / If 0.4 Ampere / Indirect |
| Description |
Part of the "Uniwatt" range designed for universal 6/6.3V ac/battery operation.
2W audio output.
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| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 233
- - Manufacturers Literature
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Just Qvigstad
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