Antique radios, Old Time Radios
P612
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Country:
Great Britain (UK)
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| Identical to |
P612
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 6 Volts / If 0.13 Ampere / Direct / Battery = |
| Description |
LF Power Amplifier.
Filament rated 5.4 to 6.6V at 0.12 to 0.14A.
Ra 5 to 7k ohms Amplification factor 5.5 to 6.5.
An STC tube first marketed by BSA-Standard in 1926
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P612: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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