Antique radios, Old Time Radios
4228A
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Country:
Great Britain (UK)
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| Identical to |
4228A
= CV1450
= CV734
|
| Similar
Tubes |
Normally replaceable-slightly different:
228A_WE
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| Filament |
Vf 22 Volts / If 41 Ampere / Direct |
| Description |
5KW plate dissipation wit external water-cooled jacket. Pure tungsten filament, exact operating voltage marked on each tube. Equivalent of the industry standard 228A.
Text in other
languages (may
differ)
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| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
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4228A: Manufacturer's Literature
Emilio Ciardiello
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4228A: own collection
Peter den Boer
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