All-Tube Signal Path Tri-Mode Rectifier: Tube - Class A or AB, Solid-State - Class AB Overdrive Channel: Gain 1 and Gain 2 Each with Independent Master Volumes, 3-Band EQ, Assignable Contour Control Clean Channel: Master Volume, 3-Band EQ and Bright Switch Global Controls: Volume, Low-Res (Resonance) and Rever Effects Loop with Level Controls (Footswitchable) Line Out with Level Control Selectable 4 / 8 / 16 Ohms External Speaker Jacks 4-Position Footswitch: Channel, Gain, Reverb and Effects Loop Ground Lift Switch Dimensions: 27" x 11" x 11" Weight: 53lbs