Name:    Mike L
Email:   mflovell@netdoor.com  
Subject: Overheating tubes
Thread:  60
Time:    Sat, 29 Sep 2001 22:24:49 UTC

If the red paint on the Groove Tubes is turning brown, they are running too hot! Sounds like you need to check the bias. That is usually an indicator of improper bias.


M Lovell