Antique radios, Old Time Radios
RT643_7pin
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Country:
France
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| Identical to |
RT643_7pin
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| Similar
Tubes |
Other base:
RT643
Other base and other heater:
R43
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| First year |
1927
Saga of the Vacuum Tube, Tyne pp 404-406
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| Base |
French Bigrille 7 pin (Q, B5+2)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 0.6 Volts / If 1.5 Ampere / Direct / Specified voltage AC/DC |
| Description |
This is an early AC tube, dated 1927.
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RT643_7pin: Dépliant Dario
Mark Hippenstiel
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Just Qvigstad
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RT643_7pin: Manufacturers data
Patrice Zeissloff
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
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| Data Compliance |
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