Full tube design - no semiconductors in the signal path
Preamplifier tubes: 6x Engl ECC83 / 12AX7
Power amp tubes: 2x Engl 6550
2 Tube-driven FX loops with separate balance controls
Noise Gate with adjustable threshold (footswitchable)
Engl Power Tube Monitor
MIDI-In / MIDI thru
Engl MIDI foot controller phantom power switch
MIDI Channel Assignment and Controller Enable Switch
Write / Copy (for MIDI programming)
All switching functions MIDI programmable (excluding Power and Stand By)
S.A.C.: Serial Amp Control port
Sound Switching options: Input Lo / Hi, Bright, Preshape, Contour (Clean, Crunch I), Mid Le./Bo., Depth Boost, Gain Lo / Hi, Contour (Crunch II, Lead), Rough / Smooth
Controls: Gain (separate for each channel), Bass, Mid Lean, Mid Bold, Treble (Clean, Crunch I), Bass, Middle, Treble, Tone Balance (Crunch II, Lead), Volume (separate for each channel), Presence A, Presence B, Master A, Master B
Controls (rear side): Noise Gate Threshold Level, FX Loop I Balance, FX Loop II Balance
Outputs: 1 x 4 Ohm, 2 x 8 Ohm, 2 x 16 Ohm, 1 x 16 Ohm