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Mesa Boogie Mark IV

In 1984 Mesa/Boogie introduced the world’s first “Tri-Modal amplifier – the MARK lll – with separate modes for Clean Rhythm, Crunch Rhythm and Lead Overdrive. Now the MARK IV concentrate six years of intervening design experience into a masterful new instrument which promises years of musical enjoyment.

Make and model Mesa Boogie - Mark (IV)
Power (Watt) 85 W
Type Combo
Channels 0
Lamps
Power lamps 4 x 6L6
Preamp lamps 5 x 12AX7
Rectifier Solid
Effect loop Yes
Effects Yes
Graphic EQ
Reverb Yes
Impedance 4/8/16
Size
Weight

Mesa-Boogie-Mark-iv

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, 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.

Available as a Short Head (Width 18-¾ inches), Wide Body Head (Width 22-½ inches), Compact Combo or as a Wide Body Combo with a rear mounted Celestion custom C-90, the Mark IV pushes a big, articulate vintage voice.

FEATURES

  • Handcrafted in Petaluma, California
  • 85 Watts, Simul-Class™ Power / 4x6L6, 5x12AX7
  • Fixed Bias for Consistent, Maintenance Free Performance
  • 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
  • FORMATS:
    Rackmount Head
    Short Head (Width 18-¾ inches)
    Medium Head (Width 22-½ inches)
    1×12 Compact Combo • C90 Speaker • Casters
    1×12 Widebody Combo • C90 Speaker • Casters

Source: http://www.mesaboogie.com


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