Antique radios, Old Time Radios
HR7
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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 |
HR7
= CV404
|
| Similar
Tubes |
Normally replaceable-slightly different:
CV4071
Other base and data slightly different:
CV4072
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935
Top contact with a cap.
|
| Filament |
Vf 4 Volts / If 1.25 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Va<6.2kV rms; 40mA av.
Text in other
languages (may
differ)
|
| Information source |
- - Manufacturers Literature
- - -
- - -
- - -
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| Tube Tester Data |
Avo CT160 |
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Just Qvigstad
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HR7: Babani 1949-1951
Patrice Zeissloff
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| Data Compliance |
More Information |
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