Gallien Krueger Fusion 550

Bass head

  • Hybrid technology
  • 3U
  • 500 watts @ 4 ohms
  • 350W @ 8 ohms
  • 50 watt Horn Bi-Amp System
  • Preamp 3x 12AX7 tubes
  • Motorised knobs (foot-switchable)
  • Gain, master and horn volume control
  • 4 - Band active EQ
  • Variable contour with 500 - 800 Hz Freq Mid . selectable
  • Deep and bright switch
  • Mute switch (foot-switchable)
  • Active / passive switchable
  • Effect loop
  • Tuner output
  • Active DI
  • Approximate size (WxHxD) 49 x 13.50 x 25 cm
  • 2-Button foot-switchable (included)
  • Weight 12 kg
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Sound samples

 
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  • Fretless Direct
  • Fretless Speaker
  • Jazz Direct
  • Jazz Speaker
  • Rock Direct
  • Rock Speaker
  • Slapping Direct
  • Slapping Speaker
  • Show more

Further information

Power 500 W
Equalizer 4-Band
Compressor No
Limiter No
Effects unit No
External Effect Loop Yes
Connector for external speakers Jack, Speakon
Headphone connection No
Di Output Yes
Tuner Output Yes
Rack mount Yes
20 customer ratings:
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  • 2
  • 1
5 / 5.0
  • handling
  • features
  • sound
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9 written ratings Read all reviews
Total
features
sound
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handling

Perfect

MACP, 06.09.2017
I love this amp so versatile and crazy loud when paired up with a good cab, took me a while to get my own personal settings set up, but now this thing rips!!
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Total
features
sound
quality
handling

Finally: Fusion 550

born2lose, 14.10.2009
If I remember correctly, I have waited 3 years for the Gallien Krueger Fusion 550 finally to hold in my hands.

It was presented at the NAMM at the time, but it took almost 3 years until finally it was available in Europe. But the long wait was definitely worth it!

Gaul Krueger has not promised too much, and has brought a hybrid bass top to the market that is unrivaled. My first basestop was then a 800RB, over the years came and went various other models like 400RB, 700RB, 1000RB as well as 2001RB. The technology and concept have not changed, except for the fact that Gaul Krueger is now using hybrid technology for the first time. Say the Fusion 550 is now equipped with a tube preamp.

As a special feature, the Fusion 550 has also been used for the first time on motorized potentiometers, which by means of switch at the Amp or Footswitch allow to call up two different presets at the push of a button which is simply super!

In terms of sound, you can always say that the Fusion 550 is an all-rounder. From jazz to fusion, to rock, funk and punk, this top is just for you! Also contrabassers will not be astonished.

The processing is immaculate and as used by GK 'built to resist'. Super is also that the typical GK Rackears now no longer have to be dismantled. It is laterally offset and the lid of the case goes back again! Great class is also that inputs and outputs for effect loop and tuner were placed on the back. I would have liked more.

I would highly recommend anyone to the Fusion 550 in any case once. Anyone who already has the typical GK sound will love this top.
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