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Philco 650 Rectifier tube bright!
Radioroslyn
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Posts: 7,294
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#6

03-23-2013, 06:15 PM
MV rectifiers may glow blue as the mercury vaporizes I know 866 tubes do. This is normal but if the 80 glows red that's a problem. If the 80 glows blue that indicate that it's gassy and may short usually indicated by sparks between the plate and filament.
Terry
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Messages In This Thread
Philco 650 Rectifier tube bright! - by ewalters - 03-20-2013, 08:42 PM
RE: Philco 650 Rectifier tube bright! - by morzh - 03-22-2013, 08:53 PM
RE: Philco 650 Rectifier tube bright! - by morzh - 03-23-2013, 03:05 PM
RE: Philco 650 Rectifier tube bright! - by 7estatdef - 03-23-2013, 06:15 PM



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