1. Mark Series

Mark Five: 25™ Head

Specifications

Quick Overview

Quick Overview
Build Location Hand-Wired In Petaluma, CA with the World's Finest Materials
Wattage Multi-Watt™ 10 or 25 (Channel Assignable)
Power Tube Type 2x Mesa EL84
Channels & Modes 2 Channels / 6 Modes
Mode Voicings / Styles Ch. 1 = Clean, Fat or Crunch
Ch. 2 = Mark IIC™, Mark IV™ or Extreme
Graphic EQ / Reverb / FX / Solo Graphic EQ, Reverb & FX Loop
Footswitchable Functions Ch. 1/2 & EQ
Speaker(s) & Impedance n/a
Weight 16.5 Lbs.
Dimensions 8" H x 14" W x 8 3/4" D
Available Formats Head & 1x10 Combo

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 2x Mesa EL-84
Bias Switch for Alternate Power Tubes Types n/a
Maintenance Free Fixed Bias Yes
Wattage(s) Quick Reference 10 or 25 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 Dyna-Watt™ technology, providing two power levels, each with different wiring configurations (Pentode/Triode) via two 10/25 Watt Power Switches: Choose from 2 power tubes operating in Class A/B Triode for lush harmonics and a sweet, liquid feel at lower volumes, producing 10 Watts or; 2 tubes operating in Mesa's proprietary Dyna-Watt™ Class A/B Pentode for maximum power, punch and clarity, producing 25 Watts
Convection or Fan Cooling Convection
Number of Footswitchable Channels (or Modes) Two Channels
Number of Style Modes Six
Number of Style Modes Per Channel Three
Types of Style Modes Per Channel Ch. 1 = Clean, Fat or Crunch
Ch. 2 = Mark IIC+™, Mark IV™ or Extreme
Channel Controls Each Channel features Independent 3-Position Style Mode Switch, 10/25 Watt Multi-Watt™ Switch, Gain, Treble, Mid/Boost* (Ch 1), Mid (Ch 2), Bass, Presence, Reverb (back panel), Master and Graphic EQ Assignment Switch (On, Off or Footswitchable) - *The Mid/Boost Control on Channel 1 doubles as a standard Mid Control when set between 0 to 5 and turns into a Variable Gain Boost when set from 5 to 10
Graphic EQ and/or Contour Selectable 5-Band Graphic EQ (Footswitchable, Channel Assignable or Off)
Reverb / Effects & Bypass Options All-Tube, Spring Reverb with Independent Channel Controls
Effects Loop & Bypass Options Fully Buffered Series FX Loop
Global Output Level Control n/a
Global Solo Level Control & Bypassable Options n/a
True-Bypass Options n/a
Tuner Output n/a
External Switching Jack Options and/or Midi n/a
Speaker Outputs One 8 Ohm and Two 4 Ohm
Cabinet Simulation - Direct Live/Recording Output Built-in Mesa CabClone™ Cab Simulator with Internal Amp Load & Headphone Output - Featuring Closed Back & Open Back Cabinet Simulations, Speaker On/Off and Ground Lift Switches
Headphone Output Yes (see Cabinet Simulation for more information)
Slave Output n/a

Additional Amplifier Features
Extra Amplifier Features n/a

Accessories
Footswitch Included - 2 Button Footswitch (Ch. 1/2 & EQ)
Slip Cover Included - Fitted Slip Cover

Cabinet Features
Cabinet Material Marine Grade, Baltic Birch
Standard Finish Options (no extra cost) Black Taurus or Black Bronco Vinyl, Black Jute Grille, Black Handle & Corners
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 16.5 Lbs.
Height 8"
Width 14"
Depth 8 3/4"

Available Formats

Head
Head
1x10 Combo
1x10 Combo

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.