Reply #1 on: December 01, 2013, 03:01:23 AM
I tried a JJ 12au7 in my Crack and did not hear any real difference with the stock RCA NOS. I never saw a current production equivalent for the 6080.
Fabien Fivaz
Thorens TD 160, Denon DL-110, Hagerman Piccolo 2, Reduction (w/ Integration), 2A3 Stereomour, Fostex FE126En in Bk12m enclosures
Halide DAC HD, Crack (w/ Speedball), Sennheiser HD 650