Antique radios, Old Time Radios
S1_AMRAD
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Country:
United States of America (USA)
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| Identical to |
S1_AMRAD
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| Predecessor Tubes |
S_AMRAD
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| Base |
Edison, size not known
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| Filament |
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| Description |
Helium-filled cold cathode rectifier. Evolution of the early S rectifier by C.G. Smith at Amrad.
Used in the AMRAD B-eliminator, advertised in April 1927 and folded up one month later. No data available but gave origin to the Raytheon line of gaseous cold-cathode rectifiers.
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| Information source |
-- Collector info (Sammler)
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