Antique radios, Old Time Radios
544-A
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Country:
United States of America (USA)
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| Identical to |
544-A
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| Similar
Tubes |
Other class quality (otherwise equal):
6C4
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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 0.15 Ampere / Indirect |
| Description |
This tube made by RCA for Boonton. It is a special quality type for use in Boonton 202B-G and 206A signal generators.
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| Information source |
Tube Lore (II) p. 151
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544-A: Fin Stewart
Fin Stewart
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Just Qvigstad
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