Can I use 7025 tubes instead of 12ax7


I want to retube my Jadis JPL pre-amp..uses 12AX7s...Im wondering if I can use 7025 tubes or the low gain 5751..Wannabe audiophile needs some help...thanks
missioncoonery

Showing 1 response by rlawry

The 7025 is a direct 12AX7 substitute, the 5751 is not. In many cases the 5751 can be used in place of a 12AX7, but in some they sound positively horrible, as in a CAT preamp line stage I had.