Antique radios, Old Time Radios
E664
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| Tube type: |
Screen-grid Tetrode Audio Frequency |
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| Identical to |
E664
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| Similar
Tubes |
Normally replaceable-slightly different:
VS24K
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| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
Top contact screw type.
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| Was used by |
Prototype only, no series built |
| Filament |
Vf 2 Volts / If 0.15 Ampere / Direct |
| Description |
Experimental VS24K. Developed at the Hirst Research Centre of GEC.
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| Information source |
-- Collector info (Sammler) Undated list of experimental MOV tubes.
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E664: Fin Stewart
Fin Stewart
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Just Qvigstad
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