I poped the top on my preamp and noticed that every tube was different. The preamp uses 12ax7 for the phono, 12au7 & 12ax7 for the line stage. Every tube was of a different make. Which brings up the question, is it important to match tubes in a preamp?
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.
