How to bias Jolida 502Bbrc?

Got a second hand Jolida 502brc int amp but no owners manual. Can anyone explain how to bias the tubes? Many thanks.

tbromgard12-22-2012 2:58pm

tbromgard OP Details Discussions Posts This discussion Message User 814 posts 12-23-2012 at 10:49pm Copy Comment URL Report Comment Edit Delete so i want to red light on? will it stay on? is that how i tell if its out of bias-the light will go off? thanks alot for the responses.
wilson667 Details Discussions Posts This discussion Message User 93 posts 12-24-2012 at 04:13am Copy Comment URL Report Comment Edit Delete The red light should stay on for the most part however it my flicker as the power in your home fluctuates.If the light goes out completely you should repeat the bias steps. If it will not stay lit it is possible the tube has gone bad in some way
tbromgard OP Details Discussions Posts This discussion Message User 814 posts 12-24-2012 at 04:17pm Copy Comment URL Report Comment Edit Delete right on. thanks. would love it if someone could provide a link for an owners manual???