As the year is winding down this week, I've had some time to play around with different preamp configurations, starting with the mix that Doug put together for my 5:50 after Thanksgiving:
V1 Tung Sol 12AX7
V2 JAN GE 5751
V3 Penta 12AX7
V4 Sovtek 12AX7
V5 Penta 12AX7
=C= SED 6L6
Right away, I...