1949 RCA Victor Black and White TV Model 9-T-240 - Videokarma.org TV - Video

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1949 RCA Victor Black and White TV Model 9-T-240

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05-16-2023, 08:01 PM

Electronic M Electronic M is offline

M is for Memory

Join Date: Jan 2011

Location: Pewaukee/Delafield Wi

Posts: 15,450

Lol.

1B3s were basically the universal monochrome TV HV rectifier tube for roughly 15-20 years. Almost all monochrome sets use a 1V HV rectifier and almost all color sets use a 3V HV rectifier.

Cutoff behavior of your tester may reveal if it's gas.

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Tom C.

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What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4

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