Amplifier Features |
Amp Type |
Tube |
Chassis Material |
Aluminum |
Rectifier Type |
Silicon Diodes |
Rectifier Tubes |
n/a |
Variac Power Switch |
n/a |
Preamp Tubes |
6x Mesa 12AX7 |
Power Amp Tubes |
4x Mesa EL-84 |
Bias Switch for Alternate Power Tubes Types |
n/a |
Maintenance Free Fixed Bias |
Yes |
Wattage(s) Quick Reference |
15, 30 or 40 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-Wattâ„¢ (Patent 7,602,927) Power Amp, featuring Duo-Classâ„¢ (Patent 7,173,488) and Dyna-Wattâ„¢ technologies, provides three power and two operating-class options that are channel assignable via two 15/30/40 Watt Power Switches: Choose 2 power tube operating in pure Class A Push-Pull, producing 15 Watts - 4 tubes running in pure Class A, Push-Pull, producing 30 Watts or 4 tubes operating in Mesa's proprietary Dyna-Wattâ„¢ Class A/B power, producing 40 Watts |
Convection or Fan Cooling |
Fan Cooled |
Number of Footswitchable Channels (or Modes) |
Two Channels |
Number of Style Modes |
Five |
Number of Style Modes Per Channel |
Channel 1 = Two / Channel 2 = Three |
Types of Style Modes Per Channel |
Ch. 1 = Normal (Brit Clean) or Top Boost (Brit Drive)
Ch. 2 = Tweed, Hi 1 or Hi 2 - (Plus, Pull Gain Boost on Gain Control) |
Channel Controls |
Each Channel features Independent 15/30/40 Watt Multi-Wattâ„¢ Switch and FX Loop & Reverb/True Bypass Switch - Channel 1 features 2 Position Style Mode Switch, Volume (gain), Treble, Bass, Reverb, Cut Control with Pull Switch that turns it into a Master Volume - Channel 2 features 3-Position Style Mode Switch, Gain with Pull Gain Boost Switch, Treble, Bass, Reverb and Master |
Graphic EQ and/or Contour |
n/a |
Reverb / Effects & Bypass Options |
All-Tube, Long Spring Reverb - Channel Assignable with Independent Channel Level Controls or Bypassable - See True-Bypass Options below for more information |
Effects Loop & Bypass Options |
Fully Buffered FX Loop - Footswitchable, Channel Assignable or True Bypassable per Channel - See True-Bypass Options below for more information |
Global Output Level Control |
n/a |
Global Solo Level Control & Bypassable Options |
n/a |
True-Bypass Options |
Independent True-Bypass Switches fully remove the FX Loop & Reverb from either Channel |
Tuner Output |
n/a |
External Switching Jack Options and/or Midi |
External Switching Jack for Reverb |
Speaker Outputs |
One 8 Ohm and Two 4 Ohm |
Cabinet Simulation - Direct Live/Recording Output |
n/a |
Headphone Output |
n/a |
Slave Output |
n/a |