All Tube Head
4 Channels Clean/Crunch1/Crunch2/Lead
Preamp Tubes         ECC83 (6x)
Poweramp Tubes:      6550  (2x)
2x Fx loops each is adjustable from parallel to serial
Full Midi programmable
S.A.C switchable
Noisegate
Power Tube Monitor
Line out

functions:
Input Lo/Hi
Bright
Preshape
Gain Lo/Hi
Contour
Mid Lean/Bold
Rough/Smooth
Depth Boost
Pres A/B
Master A/B
Noisgate switch
Fx loop switch