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In Reply to: How long will my new 12au7 tubes take to break in? posted by hukkfinn on July 26, 2012 at 10:10:07:
Patience Grasshopper. When they sound the best to you, then you know.
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Follow Ups
- RE: How long will my new 12au7 tubes take to break in? - paulmah@hotmail.com 20:22:06 07/27/12 (0)