kcstone393
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hello joman,
i received a fleet of decware amps over the summer- zp3, zr2, csp3, and torii jr, all with copper foil caps and copper bypass mods. since day 1 i have been hearing a hum from the listening position when zrock is engaged, it disappears when zrock is bypassed. steve initially suggested let it burn in and the hum may go away. it did not, so now he has suggested trying another 12au7, which will hopefully eliminate the hum. i am very new to tubes, and hifi in general. i have been “studying” the zrock tube rolling thread where you, will and lon have a lot to say, a lot of which is over my head. all tubes in all my amps are still the originals from decware. the zrock is my first foray into tube rolling, and i’m happy to try out a few different tubes. can you recommend a few different tubes to try in the zrock, based on the other amps/tubes in my setup? i’m happy to buy from you if you have what i’m looking for. thanks much!
kaesy
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