Antique radios, Old Time Radios
L2_Ferranti
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Country:
Great Britain (UK)
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| Identical to |
L2_Ferranti
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| First Source
(s) |
16.Mar.1934 : Wireless World (The), London (WW, 79)
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Filament |
Vf 2 Volts / If 0.1 Ampere / Direct / Battery = |
| Description |
Va <150; Ra 6800 ohms; Gm 1.6 mA/V;
Typicall as driver Vg = -9 with Va =120.
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| Information source |
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Just Qvigstad
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