Antique radios, Old Time Radios
U23
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| Tube type: |
Half-Wave Vacuum Rectifier |
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| Identical to |
U23
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Filament |
Vf 4 Volts / If 3.3 Ampere / Direct |
| Information source |
- - - Ratheiser, Röhrenhandbuch, 1948
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Just Qvigstad
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Collection of
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after clicking the "tubes" tab or by clicking a tube
on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
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| Data Compliance |
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