Amp Type: Tube
 Chassis Material: Aluminum
 Rectifier Type: Silicon Diodes
 Rectifier Tubes: n/a
 Variac Power Switch: n/a
 Preamp Tubes: 5x Mesa 12AX7
 Power Amp Tubes: 2x Mesa 6L6
 Bias Switch for Alternate Power Tubes Types: n/a
 Maintenance Free Fixed Bias: Yes
 Wattage(s): Quick Reference 5, 25 or 50 Watts - Channel Assignable - See Power Amp Details for more information
 Built-In Power Amp Attenuation: n/a
 Power Amp Details (Class & Wattage): Mesa's Patented Multi-Watt (Patent 7,602,927) Power Amp, featuring Duo-Class (Patent 7,173,488) technology, provides three power and two operating-class options that are channel assignable via two 5/25/50 Watt Power Switches: Choose 1 power tube operating in pure vintage Class A (single-ended), producing 5 Watts - 2 tubes running in pure Class A, Push-Pull, producing 25 Watts or 2 tubes operating in time honored Class A/B power, producing 50 Watts
 Convection or Fan Cooling Convection
 Number of Footswitchable Channels (or Modes): Two Channels
 Number of Style Modes: Four
 Number of Style Modes Per Channel: Two
 Types of Style Modes Per Channel: Ch. 1 = Clean or Crunch
 Ch. 2 = Blues or Burn
 Channel Controls: Each Channel features Independent 2-Position Style Mode Switch, 5/25/50 Watt Multi-Watt Switch, Gain, Treble, Mid, Bass, Footswitchable Reverb, Master and Footswitchable or Auto-Assignable Contour Depth Control
 Graphic EQ and/or Contour Selectable 5-Band Graphic EQ and Contour (Footswitchable, Channel Assignable or Off)
 Reverb / Effects & Bypass Options Footswitchable, All-Tube, Long Spring Reverb with Independent Channel Controls
 Effects Loop & Bypass Options: Fully Buffered FX Loop
 Global Output Level Control: n/a
 Global Solo Level Control & Bypassable Options: Yes (Over each channel when activated)
 True-Bypass Options: n/a
 Tuner Output: n/a
 External Switching: Jack Options and/or Midi External Switching Jacks for Channel 1/2, Reverb, EQ & Solo
 Speaker Outputs: One 8 Ohm and Two 4 Ohm
 Cabinet Simulation: Direct Live/Recording Output
 Slave Output: n/a