Antique radios, Old Time Radios
543-A
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Country:
United States of America (USA)
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| Identical to |
543-A
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| Similar
Tubes |
Other class quality (otherwise equal):
6AK5
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| Base |
Miniatur-7-Pin-Base B7G, USA 1940
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| Was used by |
Technology / Measurement |
| Filament |
Vf 6.3 Volts / If 0.175 Ampere / Indirect |
| Description |
This tube made by RCA for Boonton. It is a special quality type for use in the Boonton 192 Q meter, and the 202B-G, 206A and 211A signal generators.
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| Information source |
Tube Lore (II) p.47 & 151
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543-A: Fin Stewart
Fin Stewart
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Just Qvigstad
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