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Mesa Boogie announces the Mark 5 Twenty-Five

Mesa Boogie develops its Mark guitar amp range with the new Mark 5 Twenty-Five all-valve head.

The Mark 5 Twenty-Five amp head includes the latest innovations from Mesa Boogie, including the CabClone DI and cab simulation and an independent power select option for each channel.



  • 2-channel all-valve amplifier head
  • Patented Multi-Watt technology on each channel : choose between 10W (2 valves in Class A/B Triode operation) or 25W (2 valves in Class A/B Pentode and proprietary Dyna-Watt)
  • 6x 12AX7 preamp tubes
  • 2W EL84 power tubes
  • Fixed bias
  • 2 channels: channel 1 with Clean, Fat and Crunch modes, gain, low, mid/boost, treble, presence, reverb (on the rear) and Master controls ; channel 2 with Mark IIC+, Mark IV and Xtreme modes, gain, low, mid, treble, presence, reverb (on the rear) and master controls
  • 5-band graphic EQ that can be bypassed (on the amp or with a footswitch) and assigned to each channel
  • Tube-driven spring reverb
  • Tube-driver buffered effect loop
  • Built-in CabClone
  • 2-button footswitch
  • Handcrafted in California, USA
  • Black finish, optional customization

No information regarding the price of this new compact head, which details are online at