Antique radios, Old Time Radios
EP203
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Country:
Czechoslovakia
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| Identical to |
EP203
= 1H33
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| Base |
Miniatur-7-Pin-Base B7G, USA 1940
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| Filament |
Vf 1.4 Volts / If 0.025 Ampere / Direct / Battery = |
| Description |
Ua 90V, Ug3 -0.5V, Ug2+4 67.5V, Ug1 -0.5V, Ia 3.2 mA, Ig2+4 4 mA, Sg1/g2+g4 > 0.45 mA/V, Ri > 250 kOhm
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| Information source |
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EP203
Emilio Ciardiello
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Just Qvigstad
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