Gallien-Krueger Fusion 550 Owner's Manual
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Gallien-Krueger Fusion 550 Owner's Manual

Gallien-krueger fusion 550: user guide
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Fusion 550
Owner's Manual

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Summary of Contents for Gallien-Krueger Fusion 550

  • Page 1 Fusion 550 Owner’s Manual...
  • Page 2 Your purchase of a new Gallien-Krueger amplifier is surely the result of much careful consideration on your part. For our part, we at Gallien-Krueger are pleased that you chose us, and are determined that you will be a satisfied customer. In choosing GK, you now own an amplifier with many unique features which will allow you to create your own distinct sound.

  • Page 3: Table Of Contents

    Fusion 550 Bass Amplifier Table Of Contents S a f e t y I n f o r m a t i o n ........4 Q u i c k S t a r t .

  • Page 4: Safety Information

    Fusion 550 Bass Amplifier Safety Information Please read all enclosed safety precautions before connecting or operating this product. Verify Line Voltage and Amperage: amplifier has been factory configured for use with the following: 120 Volt/60Hz 15 A circuit for USA/Canada.

  • Page 5: Quick Start

    Fusion 550 Bass Amplifier Quick Start Plug It In: Set the power switch to Off and con- nect the supplied power cord to the amplifier’s AC receptacle and an AC power outlet of proper voltage (see safety information on page 4 for details).

  • Page 6: Front Panel Features

    Fusion 550 Bass Amplifier I N P U T A C T I V E C H 1 8 0 0 H z GAIN P A S S I V E C H 2 5 0 0 Hz C HANNEL...

  • Page 7: Rear Panel Features

    Fusion 550 Bass Amplifier Fusion 550 FOR 120V 60Hz ONLY POST 800 Hz BRIGHT 500 Hz TUNER BASS CONTOUR SEND ACTIVE INPUT TREBLE PASSIVE GAIN LOW MID HI-MID RETURN 500W / 4 OHMS POWER AMP TO MOTORIZED POTS DEEP MASTER...

  • Page 8: H O R N B I - A M P S Y S T E M

    Fusion 550 Bass Amplifier Horn Bi-Amp System (HBS): Your amplifier incorporates GK’s unique HBS. This feature is automatically engaged when you con- nect to a GK HBS compatible enclosure, giving you independent control of the tweeter and woofer signals. Now you can push the woofers to the max while the tweeter remains clean, crisp, and free of clipping distortion.

  • Page 9: Sample Settings

    Fusion 550 Bass Amplifier Sample Settings: Your GK amplifier is versatile in its sound and tone. Below are a few suggested amp settings that can be used as starting points to define your own sound. Note: At higher playing levels the contour should be set lower for mid-range clarity. To get 800RB voicing, the contour should be set to 0 or 10 only.

  • Page 10: Te C H Ta L

    Fusion 550 Bass Amplifier Tech Talk GK amplifiers are designed to be flexible and user-friendly for maximum performance. This is accomplished through these important features: High Current Capability: When a power amplifier is pushing a speaker cone and it needs to reproduce a...
  • Page 11 The benefit to you is a cleaner signal with less hiss and much less overall noise. Efficiency: The power supply of the Fusion 550 uses a unique design which switches between a low voltage rail for normal output levels and a high voltage rail to accommodate peak levels.

  • Page 12: Block Diagram

    CH 1 Crossover: Noise: Cooling: Protection: Dimensions: Weight: Consumption: Fuse: Mains Voltage: Mains Connect: Fusion 550 Hybrid Valve Bass Amplifier Owner’s Manual Part # 160-0420-A1 DIRECT OUT LEVEL BALANCE DIRECT OUT BALANCE MUTE TRANSFORMER GROUND LIFT 500W / 4 OHMS 1/4”...

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