Yup, infact for anyone who finds this page and needs to know, here's what all the valves are:
V1 A = First Gain Stage
V1 B = Second Gain Stage
V2 A = 3rd Gain Stage - Channel 1 & 2
V2 B = 3rd Gain Stage - Channel 3 & 4
V3 A = 4th Gain Stage - Channel 3 & 4
V3 B = Tone stack Driver - Channel...