Antique radios, Old Time Radios
550-A
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Country:
United States of America (USA)
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| Identical to |
550-A
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| Similar
Tubes |
Other class quality (otherwise equal):
5961
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Was used by |
Technology / Measurement |
| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect |
| Description |
This tube made by RCA for Boonton. It was a special quality tube used in the Boonton 192A Q meter. Listed as similar to 5961 in Tube Lore II , but questioned with a !, p. 151 but queastioned. Also no listing for 5961.
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| Information source |
Tube Lore (II) p. 151
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Just Qvigstad
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