I have a PV 3 preamp and love the sound, I use:
12AX7 Telefunken (cost various)
12AU7 Mullard NOS ($35 a piece)
I think you would be much more pleased with NOS tubes. The 12AU7's are pretty cheap so it is not cost prohibitive on your unit.
12AX7 Telefunken (cost various)
12AU7 Mullard NOS ($35 a piece)
I think you would be much more pleased with NOS tubes. The 12AU7's are pretty cheap so it is not cost prohibitive on your unit.