Thanks Al, I tried the grounding idea already. No change.
Not a lot of options about moving gear around. My wife finished the basement, carpet furniture, etc and there's simply not much I can do. So far, the double rubber washer trick seems to help a bit. At least the feedback oscillation doesn't kick in unless I turn the linestage gain up to ridiculous levels, which I never would use. There's no discernable feedback at "normal" listening levels.
Curiously, the peripheral ring seems aggravate the problem.
The delos is a nice sounding cartridge. As long as the problem doesn't get worse, I can live with it.
Thanks for the help.
Not a lot of options about moving gear around. My wife finished the basement, carpet furniture, etc and there's simply not much I can do. So far, the double rubber washer trick seems to help a bit. At least the feedback oscillation doesn't kick in unless I turn the linestage gain up to ridiculous levels, which I never would use. There's no discernable feedback at "normal" listening levels.
Curiously, the peripheral ring seems aggravate the problem.
The delos is a nice sounding cartridge. As long as the problem doesn't get worse, I can live with it.
Thanks for the help.