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
houseofsound
Stonedeaf,
Thanks for everything. I sent you a letter today.You should get it in a couple days.
How do I get a hold of this Leonard from A.R.C.? Just call the number on the web sight and ask for Leonard?
HAY,NEWBEE,HEVAC1,STONEDEAF and everyone. Thanks for all the help.I hope I can return the favor some time.Bill
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
LOL I know Houseofsound no worries. I keep meaning to look at my D-90 diagram...