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Mesa Boogie Ltd M9 Carbine Head
600W Bass Amplifier Head


The Mesa Boogie M9 Carbine delivers a mighty 600 watts (into 4 ohms) of Trans-Class™ power and yet still harnesses all that energy within 2 rack spaces.
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The Mesa Boogie M9 Carbine delivers a mighty 600 watts (into 4 ohms) of Trans-Class™ power and yet still harnesses all that energy within 2 rack spaces. The Carbine speed, punch and detail can now be delivered at big-venue volume levels and leave all but the bravest souls with ample headroom in reserve.

9-Band EQ
Studio-quality Graphic EQ spreads the shaping power across 9 Bands ranging from 33Hz to 8kHz for ultimate fine-tuning and can be triggered on all the time or footswitched.

The Carbine preamp also gets super-charged in the M9 with the addition of a 9 Band Graphic EQ featuring long-throw faders that can be put in-line all the time or triggered via the included footswitch. The EQ also incorporates a Voice Defeat feature that can turn off a selected Voice Mode when the 9 Band EQ is triggered by the Footswitch. This gives you instant access to an additional sound during performance.

Full-featured compressor gives you complete control of dynamics and includes Threshold control for sensitivity adjustment and Ratio for gain reduction.

Dynamics can be manipulated on the new M9 with the addition of the on-board Compressor that features both Threshold and Ratio controls for studio-quality processing. Fine-tune both the attack characteristics and the amount of gain reduction with these powerful controls that interface seamlessly to the Carbine's Toneful preamp.

Live performance is enhanced with the ability to add the 9 Band Graphic on the fly giving you a second sound on command and Tuner MUTE allows silent tuning.

Mesa Boogie Ltd. M9 Carbine Head Features:

  • 600 Watts @ 4 or 2 Ohms (300 @ 8), Trans-Class™ Power with 8/4 or 2 Ohm Impedance Switch for optimum Power to Load Performance / 10 Power MOSFET's, 1x12AX7
  • Active/Passive Input Switch
  • Vacuum Tube Preamplifier featuring: Gain, Active Bass w/Pull Deep, PassiveMids, 5-Position Active Mid-Voicing Switch, Active Treble and Master Volume w/Pull Mute
  • Footswitchable, Assignable or Bypassable 9-Band Graphic EQ with Mid-Voice Active/Defeat Switch (Voice Active Mode combines 9-Band Graphic EQ with Selected 5-Position Active Mid-Voicing Switch EQ, Voice Defeat Mode defeats the Selected 5
  • Position Active Mid-Voicing Switch EQ to "Flat" when 9-Band Graphic EQ is selected, allowing you to footswitch between your favorite Active Mid-Voicesetting and 9-Band EQ Curve independently of one another
  • Assignable or Bypassable Compressor with Independent Threshold and Ratio Controls
  • Tuner Output w/Footswitchable Amplifier Mute
  • FX Loop w/Automatic Hard-Bypass to completely remove when not in use
  • Balanced XLR Line Out with Pre/Post Switch & Ground Lift
  • 2 – Combination Speakon -1/4" Speaker Output Jacks
  • Fan Cooled
  • 2 Button Footswitch (EQ & Mute)
  • Hand-built in Petaluma, CA

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