Antique radios, Old Time Radios
Amplifier_Fairy
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Country:
Netherlands
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| Identical to |
Amplifier_Fairy
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 3 Volts / If 0.4 Ampere / Direct / Battery = |
| Description |
Vf=3-4 Volt, If=0.4 A, Va=50-200 Volt, Ri=15000 Ohm, S=0.67 mA/V, g=10. To be used as detector and HF amplification with Va=40 Volt and as LF amplificatot with Va = 80-120 Volt.
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| Information source |
Radio Wereld, The Netherlands 25-2-1926
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Amplifier_Fairy: Fin Stewart
Fin Stewart
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Just Qvigstad
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Collection of
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