Antique radios, Old Time Radios
HR9
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Country:
Great Britain (UK)
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Brand:
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Ferranti, GB |
| Tube type: |
Half-Wave Vacuum Rectifier Power-supply |
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| Identical to |
HR9
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
Top contact with a cap.
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| Filament |
Vf 4 Volts / If 1.3 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Grid Controlled Rectifier.
Va<20kV rms; 0.75mA av.
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| Information source |
- - Manufacturers Literature
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Just Qvigstad
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