Quote:
Originally Posted by 80B
We put the Tungsram 12AX7s in the line stage and MC stage of the C2500, and got a bit more detail right away. The stock tubes tested weak after use, so I can't pass judgement on those. Boss-girl, being a Mechanical Engineer, couldn't help but getting into tube rolling. Haven't lugged the MC2301s out yet.
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I have settled a couple of years ago for Tungsram NOS from 1971 Military Grade from Hungary and fell in love so much that bought four extra NOS pairs, to be able to use these tubes for the remainder of the lifespan of the unit or myself.
These tubes did make a difference IMHO.