The tubes are 7025 labeled RCA. (Previous owner)
I always wanted to try the cryogenic JAN Phillips from Ken Chait at http://www.tubeman.com/ in that preamp. I am not sure the whole cryo thing is not snake oil but it would be fun to try. I have also heard that the Electro Harmonix 12AX7 tubes sound good in that preamp and they are cheap.
I always wanted to try the cryogenic JAN Phillips from Ken Chait at http://www.tubeman.com/ in that preamp. I am not sure the whole cryo thing is not snake oil but it would be fun to try. I have also heard that the Electro Harmonix 12AX7 tubes sound good in that preamp and they are cheap.