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Mesa Boogie M3 Carbine 300 Watt Rackmount Amplifier

Item: MB6FM3

The M3 Carbine takes all the features you’ll ever need and combines them with a signature new sound that’s fast, accurate, and best of all – easy to dial. And, the tone, oh the tone!

The impressive M3 Carbine 300W Rackmount Amplifier is a Trans-Class™ ultra-fast, super-soulful amplifier that has many bassists reconsidering their tone. The Carbine expands the Mesa Family of Bass amplifiers with an exciting new voice that’s super fast and extremely focused! The output section relies on the same time-proven array of custom designed mosfets used in Mesa's M-Pulse, Big Block and Titan models, but the preamp and driver section are all new, creating a very different feel and attitude.

Up front, the tube preamp utilizes a standard tone control string of Bass, Mid and Treble to shape the basic sound, but the shaping power doesn’t stop there. There is a PULL DEEP feature found on the Bass control that keeps the low end tight and articulate when pushed in or, enhances the sub-lows and adds super-top air when pulled out.

Mesa Boogie M3 Carbine 300 Watt Rackmount Amplifier Features:

  • 300 Watts @ 4 Ohms (165 @ 8)
  • Trans-Class™ Power / 8 Power MOSFET’s, 1x12AX7
  • Vacuum Tube Preamplifier featuring: Gain, Active Bass w/Pull Deep, Passive Mids, Active Treble and Master Volume w/Pull Mute
  • FX Loop w/True “Hard” Bypass Switch
  • Balanced XLR Line Out with Ground Lift & Front Panel Level Control with Pre/Post Pull Switch
  • 2 - 1/4” Speaker Output Jacks
  • Tuner Output
  • Fan Cooled
  • Black Bronco Vinyl
  • Handbuilt in Petaluma, California


  • 300 Watts @ 4 Ohms (165 @ 8)

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MB6FM3 - M3 Carbine 300 Watt Rackmount Amplifier
Price $899.00

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