Audio Research D-90

Hi,
I just bought a A.R.D-90 and there is a hum in the right channel.I reversed the inter-connects and still in the right side.I switched the 12ax7's for 12au7's and it got louder.Any ideas or insight? Bill

houseofsound03-06-2009 2:34pm

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hifigeek1 Details Discussions Posts This discussion Message User 770 posts 03-24-2009 at 08:08am Copy Comment URL Report Comment Edit Delete Yessir...or me.. LOL newbie?
houseofsound OP Details Discussions Posts This discussion Message User 13 posts 03-25-2009 at 04:30am Copy Comment URL Report Comment Edit Delete THANK YOU, HIFIGEEK1. I'M SORRY I LEFT YOU OUT. I DO APPRECATE YOUR HELP. I DID NOT LEAVE YOU OUT INTENTIONALLY. THANKS TO ALL. AND IF ANY OF YOU COMES A CROSS ANY INFO YOU THINK I COULD USE, PLEASE LET ME KNOW. a GOOD BRAIN SURGON WOULD BE GOOD:)BILL
hifigeek1 Details Discussions Posts This discussion Message User 770 posts 03-25-2009 at 07:42am Copy Comment URL Report Comment Edit Delete LOL I know Houseofsound no worries. I keep meaning to look at my D-90 diagram...

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