• Bias Select Switch (6L6/EL34)
• Fixed Bias for Consistent, Maintenance Free Performance
• Full Power/Variac Power™ Switch
• 3 Fully Independent Channels with 9 Modes (Channel 1 = Clean, Fat or Tweed™, Channel 2 = Edge, Crunch or Mark I™, Channel 3 = Mark IIC+™, Mark IV™ or Extreme)
• Normal/Bold Switch on Channel 1, Normal/Thick Switch on Channel 2 (Mark I mode only), Normal/Bright Switch & Pentode/Triode Switch on Channel 3
• Each Channel features: Independent Gain, Treble, Mid, Bass, Presence, Master, Footswitchable or Auto-Assignable Contour Depth Control, Footswitchable All-Tube, Long Spring Reverb Control, Rectifier Tracking™ (Auto-selects Tube for all 10 Watt Modes, Diode for all 90 Watt Modes, selectable Tube or Diode for 45 Watt Modes on Channels 1 and 2, Diode for 45 Watt Mode on Channel 3
• 5 Band Graphic EQ is Footswitchable, Channel Assignable and Selectable between 1 group of 5-Band Sliders or 3 channel specific, variable depth Contour Controls
• Footswitchable, Channel Assignable or True Bypassable Fully Buffered FX Loop with Send Level Control (over all channels when activated)
• Output Level Control (over all channels when activated)
• Footswitchable Solo Level Control
• True “Hard” Bypass Switch removes FX Loops, Output Level & Solo Level Controls from signal path
• Tuner Output w/Footswitchable Mute
• Slave Out w/Level Control
• Fan Cooled with On/Off Switch
• External Switching Jacks for Channels 2, 3 (channel 1 is default), EQ & Solo
• Aluminum Chassis