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The newest bassist of Slipknot, Alessandro "Alex" "V-Man" Venturella posted this photo on his official instagram of his rig. The bottom 3... more

"Specifically, my new full-stage rig is a GK Fusion 550, a GK 2001RB (power amp only), and two GK Neo 4×12 cabinets" - Bryan Beller from ... more

As seen in this interview with Tom Hamilton's bass tech at 3:40, Tom uses Gallien Krueger Fusion 550 bass amps in his live rig. more

At the 36 minute mark you can see Rick's rack mount. He uses 2 of these (another one for backup). Still uses them. more
Reviews
Trusted musician and artist reviews for Gallien-Krueger Fusion 550 Hybrid Bass Head
Based on 2 Reviews

A great-sounding, LOUD amp with the signature GK sound!
Had one several years ago, and regretted selling it. I've been a big GK fan since I started playing- my first real amp was a 400RB-III.
Details
Anything you want
Seriously. If you can find the tone you are looking for on bass with this amp, you're doing it all wrong. The tube front-end gives you warmth and the solid state back-end provides punch! This amp is extremely versatile; 2 channels, effects loop, incredibly clean and quite DI out. These amps are not very well known in the GK line but are their top of the line amps.
The only negative thing I have to say about this amp is, it's 3 rack spaces large and not light.
If you can find one, buy it. You'll love it.