Antique radios, Old Time Radios
201A_RRF
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Country:
Germany
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| Identical to |
201A_RRF
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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 5.2 Volts / If 0.25 Ampere / Direct / Battery = |
| Description |
Wurde als "Valvo Lautsprecher 201 A" angeboten. Siehe Inserat beim Hersteller.
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| Information source |
Saga of the Vacuum Tube, Tyne p.454
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Just Qvigstad
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201A_RRF: Rundfunkpraktikum 1926
Anonymous 15 Collector
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