1. Out Of Production

Express 5:25+™ Rackmount Head

Specifications

Quick Overview

Quick Overview
Build Location Petaluma, CA USA with the World's Finest Materials
Wattage Multi-Watt™ 5, 15 or 25 (Channel Assignable)
Power Tube Type 2x Mesa EL-84
Channels & Modes 2 Channels / 4 Modes
Mode Voicings / Styles Ch. 1 = Clean or Crunch
Ch. 2 = Blues or Burn
Graphic EQ / Reverb / FX / Solo Graphic EQ, Reverb, FX Loop & Solo
Footswitchable Functions Ch. 1/2, Reverb, EQ & Solo
Speaker(s) & Impedance n/a
Weight 16 Lbs.
Dimensions 7" H x 19 1/8" W x 9 1/2" D
Available Formats Head, Rackmount & 1x12 Combo

Amplifier Features
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 EL-84
Bias Switch for Alternate Power Tubes Types n/a
Maintenance Free Fixed Bias Yes
Wattage(s) Quick Reference 5, 15 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-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 5/15/25 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 15 Watts or 2 tubes operating in Mesa's proprietary Dyna-Wattâ„¢ Class A/B power, producing 25 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, 5/15/25 Watt Multi-Wattâ„¢ 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 Series 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 n/a
Headphone Output n/a
Slave Output n/a

Additional Amplifier Features
Extra Amplifier Features n/a

Accessories
Footswitch Included - 4 Button Footswitch (Ch. 1/2, Reverb, EQ & Solo)
Slip Cover n/a

Cabinet Features
Cabinet Material n/a
Standard Finish Options (no extra cost) n/a
Custom Finish Options n/a
Speaker(s) & Impedance n/a
Casters n/a

Additional Cabinet Features
Extra Cabinet Features n/a

Weight And Dimensions
Weight 16 Lbs.
Height 7"
Width 19 1/8"
Depth 9 1/2"

Available Formats

Head
Head
Rackmount Head
Rackmount Head
1x12 Combo
1x12 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.