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, 1x Mesa 12AT7 |
| Power Amp Tubes |
4x Mesa EL-34 (or 6V6 or 6L6) |
| Bias Switch for Alternate Power Tubes Types |
Bias Select for EL-34/6V6 or 6L6 |
| Maintenance Free Fixed Bias |
Yes |
| Wattage(s) Quick Reference |
3, 7, 20, 50 or 100 Watts via Mesa's Proprietary Multi-Soak™ Channel Assignable Power Attenuator - See Power Amp Details for more information |
| Built-In Power Amp Attenuation |
Built-in Mesa Multi-Soak™ Channel Assignable Power Attenuator - See Power Amp Details for more information |
| Power Amp Details (Class & Wattage) |
Class A/B Power with Mesa's proprietary Multi-Soak™ Channel Assignable Power Attenuator that provides each channel with an independent 5-position power switch with power choices of 3, 7, 20, 50 or 100 Watts per channel |
| Convection or Fan Cooling |
Fan Cooled |
| Number of Footswitchable Channels (or Modes) |
Three Channels |
| Number of Style Modes |
Six |
| Number of Style Modes Per Channel |
Two |
| Types of Style Modes Per Channel |
Ch. 1 = Normal (Clean) or Drive
Ch. 2 = Normal (Crunch) or Tight
Ch. 3 = Normal (High-Gain) or Tight |
| Channel Controls |
Each Channel features Independent 2-Position Style Mode Switch, Gain, Treble, Mid, Bass, Presence, Reverb (back panel), Master & Multi-Soak Power Controls |
| Graphic EQ and/or Contour |
n/a |
| Reverb / Effects & Bypass Options |
Footswitchable, All-Tube, Short-Tank Spring Reverb with Independent Channel Controls (rear panel) |
| Effects Loop & Bypass Options |
Footswitchable, Fully Buffered Series Tube FX Loop |
| Global Output Level Control |
Yes (Over all channels) |
| Global Solo Level Control & Bypassable Options |
Yes (Over all channels) |
| True-Bypass Options |
n/a |
| Tuner Output |
n/a |
| External Switching Jack Options and/or Midi |
MIDI Switchable/Programmable via Control Change and Program Change messages, with 256 Preset Location (MIDI IN, MIDI Thru/Out, MIDI Channel & Store Switches) – Controls Channels 1, 2, 3, Reverb, FX Loop & Solo |
| Speaker Outputs |
8 Ohm / 4 Ohm Switch with Two Speaker Jacks |
| Cabinet Simulation - Direct Live/Recording Output |
Built-in MESA CabClone™ Cab Simulator Output featuring Closed Back, Open Back & Vintage Cabinet Simulations, Internal Amp Load, Headphone Output & Uncompensated Line (Slave) Output, Speaker On/Off & Ground/Lift Switches |
| Headphone Output |
Yes (see Cabinet Simulation for more information) |
| Slave Output |
Yes (Uncompensated Line Output works as Slave Out) |
