Antique radios, Old Time Radios
EP221
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Country:
Czechoslovakia
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| Identical to |
EP221
= 3L31
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| Base |
Miniatur-7-Pin-Base B7G, USA 1940
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| Filament |
Vf 2.8 Volts / If 0.05 Ampere / Direct |
| Description |
Parallelschaltung der Heizfäden: Uf=1,4V; If=0,1A.
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| Information source |
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