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RE: New Production 6550/KT88 Tubes

Thanks Jim,

Any problem with the cathodes flaking? As I mentioned in my post I run 505V rail in my Macs. It is also have a rather stiff power supply. I had the misfortune of having a couple of Teslovak KT88S tubes fail in rather spectacular fashion when the cathodes flaked and shorted the grids. Also I had problems with SED 6550C tubes not working well in my amps as the plates had a bit of glow to them.
"Nothing quite like high voltage DC to sharpen the mind and body!"

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