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Photo of Mark 4 combo with maple wood and wicker grill

Legendary in performance, these giant killers continue the legacy that first defined Mesa/Boogie. Their compact size, stunning power and ultimate versatility have served legions of proud owners who see the Mark IV as the culmination of guitar amp evolution. The fifty thousand Mark I, II, III and IVs still in active duty are testament to this heritage.

Three Big Sounds …with individual control and total conviction: Rhythm 1 feels bouncy and shimmers with freshness. The Lead Mode is blistering high-gain focus. And Rhythm 2 covers that elusive middle ground. This mode alone can produce an alternate Clean, a purring Blues or a grinding Crunch.

All this and the elusive magic of Simul-Class® …our patented way of enriching a power section. Think of it as two different power amps working simul-taneously. One extracts the juice of Class A sweetness while the other delivers the high power punch of Pentode Class AB.

Photo of wood and wicker combo on a matching speaker cab

Available as a 22 inch Wide Body head or as a combo with a rear mounted Celestion custom C-90, the Mark IV pushes a big, articulate vintage voice.

Bursting on the scene to wide acclaim in 1990, the Mark IV is still one of our most popular models and the winner of numerous awards world-wide. This kind of longevity validates the Mark IV’s position as a modern classic and an instrument you will treasure. It will reward you for the countless hours you’ve invested in your playing and will support your musical goals for years to come.

“You know how a great instrument can make you play over your head? The Mark IV gave us this transcendental experience.”

“It delivers luscious clean tones, intense high-gain saturation, and everything in between.”

Andy Ellis
Guitar Player
May 1991

 

 

< Mark Designs

Features:

  • Handbuilt in the USA

  • 85 Watts, Simul-Class Power / 4x6L6, 5x12AX7

  • 3 Channels w/Independent Gain & Master Controls (Rhythm I, Rhythm II & Lead)

  • Independent Treble & Presence Controls
    for Rhythm I & II (Bass & Mid combined)

  • Fully Independent EQ for Lead Channel (Bass, Mid, Treble & Presence)

  • Multi-Stage "Cascading Gain" Lead Channel (Lead Gain + Lead
    Drive)

  • Lead Voicing Switch (Mid Gain/Harmonics)

  • Pull Fat (Rhythm II & Lead Channel)

  • Pull Bright (Rhythm I & Lead)

  • Pull Shift Presence Controls (Rhythm II & Lead)

  • Assignable 5 Band Graphic EQ

  • Assignable FX Loop

  • Slave Out w/Level Control

  • Spring Reverb

  • Output Level Control (over all channels)

  • Full Power/Tweed "Variac" Switch

  • Simul-Class/Class A Switch

  • Pentode/Triode Switch

  • Record Out w/Level
    Control

  • Silent Record Mute Switch (Pull Output Level)

  • Fan Cooled

  • External
    Switching Input

  • 6 Button Footswitch (Rhythm I, Rhythm II, Lead, Lead+EQ, EQ
    (Graphic) & FX Loop)

  • Slip Cover
    Available as:

  • Short Head (Width 18 3/4")

  • Rackmount Head

  • Medium Head (Width 22 ½")
    1x12 Widebody Combo with Celestion Custom 90 and Track-Loc Casters

  • 1x12 Combo o Original EVM 12L Speaker

  • Track-Loc Casters