Title: Heathkit SB-230 tube Post by: wa2pjp on June 29, 2022, 02:58:25 PM I know this is a long shot, but I just acquired a SB-230 with a dead tube………Eimac 8873………Anybody have one they are willing to part with? AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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