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Gallien Krueger MB Fusion 800 Bass Amp Head

  • Our Price
  • Regular price $1,025.00

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Dial in classic to modern bass tones with the Gallien-Krueger MB Fusion 800

The MB Fusion 800 offers classic GK warmth and grit with its three tube preamp while delivering 800 watts of chest thumping power that can bring down any house.  Cased in a rock-solid, ultra-light aluminum chassis, the MB Fusion 800 won't break the bassman's back either. The innovative design and technology of the MB Fusion 800 are sure to make it an industry standard among high-end bass heads:


Feather Weight - With its switch mode power supply and Aluminum chassis, the MB Fusion 800 weighs in at only 5.5 lbs. (2.5kg)

Illumination - Illuminated knobs and switches show the amplifier's state at a glance, even on the darkest stages.

Smart Knobs - Push-push knobs are used to select multiple voicing, channel and limiter options, the knob indicator color indicates the operation mode.

Tube Warmth - Three 12AX7 tubes deliver the perfect blend of classic response and the timeless 'Variable Q' equalizer design from the 800RB.

Dual Channel Flexibility - Foot switchable channel switching for on the fly volume boost or additional grind.

Connectivity - Balanced DI with Pre/Post and Ground Lift  switches to feed the house, Foot Switch Jack, Tuner output, FX Loop for connecting outboard accessories, Headphone Output for silent practice, Line Out plus ËÇ£“‚“ï“’ŒËÇó“„Chain OutËÇ£“‚“ï“’ŒËÇÖ’Ñ to drive GKËÇ£“‚“ï“’Œ“ï“ñ“‚s MBP powered cabinets. Two twist lock speaker connectors ensure reliable and safe cabinet connections.


High Voltage Tubes - The signal path for gain, EQ, contour and the DI are 100% tube driven, achieving classic tube performance with 300V plates.

Variable Q Tube Equalizer - Inherited from the 800RB, this unique tube design varies the EQ bandwidth to retain a musical response even at extreme settings.

High Tech Power - Switch mode power amp and supply deliver a crushing 800 Watts of cool running power.

Intelligent Cooling - Temperature controlled fans keep the amplifier cool delivering only the required amount of air, reducing noise and dust intake.

  • Power @4 ohms: 800 Watts
  • Dimensions: 10.75 x 12.25 x 1.75"
  • Weight: 5.5 LBS
  • Preamp: Three Tube 12Ax7 300V Plate

Manufacturer: Gallien-Krueger
Model: MB FUSION 800
Warranty: See manufacturer website for details
SKU: I287165-1