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Mesa Boogie Mark V 90W 1x12 Combo Guitar Amplifier - Used  From Mesa Boogie

A 90 Watt Powerhouse Packed with Mesa's World Class Tone!


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Mesa Boogie


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What We Think

Condition: Used, Excellent

About Manufacturer

Forty-five years and thousands of satisfied customers later, MESA/Boogie® Ltd. hand-builds the fifth generational offspring of that pivotal amplifier (and many more) now known around the globe as the MARK I Boogie®; the world’s first high gain, high power, compact 1x12 amplifier. That revolutionary little combo is the “missing link” in amp design... the pivotal nexus between Vintage and Modern guitar amplifiers. When it comes to amplified guitar, there’s really just two epochs… before Boogie, and after Boogie.



Multi-Watt™ 10, 45 or 90 (Channel-Assignable)


Channels & Modes

3 Channels / 9 Modes


Mode Voicings styles

Ch. 1 = Clean, Fat or Tweed Ch. 2 = Edge, Crunch or Mark I™ Ch. 3 = Mark IIC+™, Mark IV™ or Extreme


Graphic Eq Reverb Fx Solo

Graphic EQ, Reverb, FX Loop & Solo


Foot switchable Functions

Ch. 1, 2, 3, Solo, Reverb, FX Loop, Graphic EQ, Mute


Speakers Impedance

1 - 8 Ohm Celestion Custom 90 / Total Load = 8 Ohms


Amp Type



Rectifier Type

Selectable Dual Rectification (Ch 1 & 2 - 45 watt modes) with Patented Recto Tracking™ (Patent 7,193,458). Recto Tracking™ auto-matches the correct Rectifier compliment for the number of Power Tubes in use. 10 Watt Modes = Tube Rectification, 45 Watt Mode = Selectable Tube or Silicon Diode Rectification on Channels 1 & 2 - Silicon Diode only on Channel 3, 90 Watt Mode = Silicon Diode Rectification.


Rectifier Tubes

1x Mesa 5U4


Variac PowerSwitch

Full/Tweed Power Switch


Preamp Tubes

7x Mesa 12AX7


Power Amp Tubes

4x Mesa 6L6 (or EL-34)


Maintenance Free Fixed Bias



Wattages Quick Reference

10, 45 or 90W- Channel-Assignable - See Power Amp Details for more information


Number Of Style Modes



Number Of Style Modes Per Channel



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 (back panel)


Effects Loop Bypass Options

Fully Buffered Series FX Loop w/Send Level Control - Footswitchable, Channel Assignable or True Bypassable - True-Bypass Switch removes FX Loop, Output & Solo Level Controls


Global Output Level Control

Yes (Over all channels when activated) - See True-Bypass Options below for more information


Global Solo Level Control

Yes (Over each channel when activated) - See True-Bypass Options below for more information


External Switching Jack Options And/or Midi

External Switching Jacks for Channels 2, 3 (Ch. 1 is default), EQ & Solo


Speaker Outputs

Two 8 Ohm and Two 4 Ohm


Slave Output

Yes with Level Control



Included - 4x4 - 8 Button Footswitch (Bottom Row: Ch. 1, Ch. 2, Ch. 3 & Solo - Top Row: Reverb, FX Loop, EQ & Tuner Mute)


Slip Cover



Power Amp Details Class Wattage

Simul-Class™ Power Amp featuring Multi-Watt™ (Patent 7,602,927) and Duo-Class™ (Patent 7,173,488), channel assignable via 10/45/90W Power Switches: Choose 2 power tubes operating in pure vintage Class A (single-ended), producing 10W - 2 tubes running in time-honored Class A/B producing 45W or 4 tubes running in Mesa’s Simul-Class Power, blending Class A and Class A/B for 90W


Channel Controls

Independent 3-Position Style Mode Switch, Graphic/Contour EQ Assignment Switch (On, Off or Footswitchable), 90/45/10W Multi-Watt™ Switch, Gain, Treble, Mid, Bass, Presence, Master, Footswitchable or Auto-Assignable Contour Depth Control, Footswitchable Reverb Control, Patented Rectifier Tracking™ (Auto-selects Tube for all 10W Modes, Diode for all 90W Modes, selectable Tube or Diode for 45W Modes on Channels 1 and 2, Diode for 45W Mode on Channel 3 - Patent 7,193,458) - Normal/Bold Switch on Channel 1, Normal/Thick Switch on Channel 2 (Mark I Mode only), Normal/Bright Switch & Pentode/Triode Switch on Channel 3