Changing tubes can take place shortly after turn off, that isn't a problem. The problem can occur if you turn your on amp too soon after changing the tube. I learned this the hard way! I wait at least 5 minutes between shut down and turn on.
You must have a verified phone number and physical address in order to post in the Audiogon Forums. Please return to Audiogon.com and complete this step. If you have any questions please contact Support.
