Antique radios, Old Time Radios
HR3
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Country:
Great Britain (UK)
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Brand:
|
Ferranti, GB |
| Tube type: |
Half-Wave Vacuum Rectifier Power-supply |
|
| Identical to |
HR3
|
| Base |
Miniatur-7-Pin-Base B7G, USA 1940
Top contact with a cap.
|
| Filament |
Vf 4 Volts / If 0.5 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Va<5kV rms; 15mA av.
Text in other
languages (may
differ)
|
| Information source |
- - Manufacturers Literature
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HR3: From my schematic collection.
Pier Antonio Aluffi
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Just Qvigstad
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HR3: eigenes Dokument
Roland Böhme
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