Name:    John
Email:   hottub@speakeasy.org  
Subject: Preamp Tubes
Thread:  69
Time:    Fri, 4 May 2001 06:39:46 UTC

I have an amp that has 6 small tubes and 3 large ones. I take it that the 6 small ones are the preamp tubes. My question is that not all six are glowing. Does this mean that some of them need to be replaced. And if so, can I just go out and by some 12ax7's and pop them in?