Well I found a tone I never thought I could find with my HB. Per this post here (http://forum.grailtone.com/viewtopic.php?f=4&t=60433) I tried a duet of 34s on the inside and 6V6s on the outside, with the bias switch for the 34s. On full power with P-10, T-10, M-0, B-0, V-10, M-2:00 with Fat...