Quick Overview

Build Location Hand-Wired In Petaluma, CA with the World's Finest Materials
Wattage Multi-Watt™ 50, 100 or 120 (Channel Assignable)
Power Tube Type 4x Mesa 6L6 & 2x Mesa EL-34 with Progressive Linkage™
Channels & Modes 4 Channels / 12 Modes
Mode Voicings / Styles Ch. 1 = Clean, Fat or Tweed
Ch. 2 = Clean, Fat or Brit
Ch. 3 = Raw, Vintage High Gain or Modern High Gain
Ch. 4 = Raw, Vintage High Gain or Modern High Gain
Graphic EQ / Reverb / FX / Solo Reverb, 2 FX Loops, Solo
Footswitchable Functions Ch. 1, 2, 3, 4, Reverb, Tuner Mute, FX Loop 1, 2 & Solo
Speaker(s) & Impedance n/a
Weight 57 Lbs.
Dimensions 10 1/2" H x 27 3/4" W x 11 1/8" D
Available Formats Head & 2x12 Combo

Amplifier Features

Amp Type Tube
Chassis Material Aluminum
Rectifier Type Channel Assignable, Dual Rectification (Tube or Silicon Diodes) allows you to select Silicon Diodes or Recto Trackingâ„¢ (Patent 7,193,458) per Channel. Recto Trackingâ„¢ auto-matches the perfect Rectifier for the number of Power Tubes in use - It applies one Rectifier Tube when using two Power Tubes, 2 Rectifier Tubes when using 4 Power Tubes and applies Silicon Diodes when using all 6 Power Tubes
Rectifier Tubes 2x Mesa 5U4
Variac Power Switch Bold/Spongy Power Switch
Preamp Tubes 6x Mesa 12AX7
Power Amp Tubes 4x Mesa 6L6 & 2x Mesa EL-34
Bias Switch for Alternate Power Tubes Types See Power Amp Details
Maintenance Free Fixed Bias Yes
Wattage(s) Quick Reference 50, 100 or 120 Watts - Channel Assignable - See Power Amp Details for more information
Built-In Power Amp Attenuation n/a
Power Amp Details (Class & Wattage) Class A/B Power with Mesa's patented Multi-Wattâ„¢ Channel Assignable Power Amp (Patent 7,602,927) with Progressive Linkageâ„¢ (Patent 5,559,469) which allows you to select either 2x6L6, 2xEL34, 2x6L6+2xEL34, 4x6L6 or 4x6L6+2xEL34 for Power Ratings of 50, 100 & 120 Watts
Convection or Fan Cooling Fan Cooled
Number of Footswitchable Channels (or Modes) Four Channels
Number of Style Modes Twelve
Number of Style Modes Per Channel Three
Types of Style Modes Per Channel Ch. 1 = Clean, Fat or Tweed
Ch. 2 = Clean, Fat or Brit
Ch. 3 = Raw, Vintage High Gain or Modern High Gain
Ch. 4 = Raw, Vintage High Gain or Modern High Gain
Channel Controls Each Channel features Independent 3-Position Style Mode Switch, 5-Position Progressive Linkageâ„¢/Multi-Watt Power Switch, Gain, Treble, Mid, Bass, Presence, Master, Footswitchable Reverb, Assignable Dual Rectification with Recto Trackingâ„¢ (Diode or Tube Tracking - Patent 7,193,458), Speaker Output Selector Switch (Speaker Out A, B or A+B), FX Loop 1 and 2 Assignment Switch (allows you to auto-assign each FX Loop to either come on or off when the channel is activated or be controlled via the footswitch)
Graphic EQ and/or Contour n/a
Reverb / Effects & Bypass Options Footswitchable, All-Tube, Long Spring Reverb with Independent Channel Controls (back panel)
Effects Loop & Bypass Options Two Fully Buffered Series FX Loops with one Send Level Control - Footswitchable, Channel Assignable per Channel or True Bypassable - See True-Bypass Options below for more information
Global Output Level Control Yes (Over all channels when activated) - See True-Bypass Options below for more information
Global Solo Level Control & Bypassable Options Yes (Over each channel when activated) - See True-Bypass Options below for more information
True-Bypass Options True-Bypass Switch removes FX Loops, Output & Solo Level Controls
Tuner Output Yes (back panel) with Footswitchable Mute
External Switching Jack Options and/or Midi External Switching Jacks for Channels 1, 2, 3, 4, Solo, Reverb, Loop 1, Loop 2 & Tuner Mute
Speaker Outputs On-board Speaker Switcher with Dual Speaker Outputs (A & B) each provide One 8 Ohm and Two 4 Ohm
Cabinet Simulation - Direct Live/Recording Output n/a
Headphone Output n/a
Slave Output Yes with Level Control

Additional Amplifier Features

Extra Amplifier Features On-board Cabinet Switcher allows you to route each channel to one of two cabinets or combine both - Route cleans to an open-back, overdrive to a closed back or combine them for the best of both.


Footswitch Included - King Kontrollerâ„¢ - 9 Button Footswitch (Ch. 1, Ch. 2, Ch. 3, Ch. 4, Tuner Mute, Reverb, Loop 1, Loop 2 & Solo)
Slip Cover Included - Fitted Slip Cover

Cabinet Features

Cabinet Material Marine Grade, Baltic Birch
Standard Finish Options (no extra cost) Black Taurus Vinyl with Black Jute Grille
Custom Finish Options See Custom Finish Gallery
Speaker(s) & Impedance n/a
Casters n/a

Additional Cabinet Features

Extra Cabinet Features n/a

Weight And Dimensions

Weight 57 Lbs.
Height 10 1/2"
Width 27 3/4"
Depth 11 1/8"

Available Formats

DISCLAIMER: In the interest of continuous improvement, all specifications are subject to change without notice. To guarantee correct fit on custom ordered cases & covers, MESA recommends that customers make personal measurements of their product, after they have been received. MESA provides these measurements as a general reference only, without guarantee or liability.