Antique radios, Old Time Radios
S22AF
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Country:
Great Britain (UK)
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| Identical to |
S22AF
= CV39
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
Vf 6.3 Volts / If 0.31 Ampere / Indirect |
| Description |
This was the first Heil tube produced by STC.
0.45W typical output at 12.5 cm wavelenght.
Mentioned in 'Klystrons and Microwave Triodes' by Hamilton, Knipp and Kuper, Vol. 7 M.I.T. Radiation Laboratory Sereies.
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