Antique radios, Old Time Radios
4L20_Tesla
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Country:
Soviet Union
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| Identical to |
4L20_Tesla
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| Similar
Tubes |
Normally replaceable-slightly different:
4П1Л
Other base:
RL4,2P6
Other base and other heater:
AL860
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| Base |
Loctal-8, B8G (Sylvania, 1938)
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| Was used by |
Military and/or Government |
| Filament |
Vf 2.1 Volts / If 0.65 Ampere / Direct / Battery = |
| Description |
Heizfaden mit Mittelanschluss, bei Reihenschaltung 4,2V; 0,325A
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| Information source |
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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Just Qvigstad
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| Data Compliance |
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