> Pete,
>
> I'm interested to know about vacuum relays in an SB220. Details?
>
> -Rex-
>
> Rex Lint, Consultant
> 26 Brek Drive
> Merrimack, NH 03054
> PH: 603-860-7651
>
Contact Rich Measures, I made a QSK board using optoisolators & a
jennings relay that he provided the schemetics for. I used that with
my SB220 and it worked flawlessly for years. I finally sold the amp
after 10 years of hard use and the QSK board and the tubes were in
fine shape when I sold that amp. Only perpetual bugger with that amp
was the bandswitch. I finally made my own switching Arrangement which
was much heftier & didn't arc & die.
2Nd heathkit kit for me, the first was a H-8 I built and ran a
bulletin board on.
Gary
KA1J
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