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Gallien-Krueger Fusion 550 Owner's Manual

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Manual is about: Gallien-Krueger Fusion 550: User Guide

Summary of Fusion 550

  • Page 1

    Fusion 550 owner’s manual.

  • Page 2: Introduction

    2 fusion 550 bass amplifi er congratulations your purchase of a new gallien-krueger amplifi er 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 satisfi ed customer. In choosing gk, y...

  • Page 3: Table of Contents

    3 fusion 550 bass amplifi er 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 f r o n t p a n e l c o n t r o l s ...

  • Page 4: Safety Information

    4 fusion 550 bass amplifi er safety information please read all enclosed safety precautions before connecting or operating this product. Verify line voltage and amperage: your new amplifi er has been factory confi gured for use with the following: 120 volt/60hz 15 a circuit for usa/canada. 240 volt/50h...

  • Page 5: Quick Start

    5 fusion 550 bass amplifi er quick start plug it in: set the power switch to off and con- nect the supplied power cord to the amplifi er’s ac receptacle and an ac power outlet of proper voltage (see safety information on page 4 for details). External cabinets: if using an external speaker cabinet, con...

  • Page 6: Front Panel Features

    6 fusion 550 bass amplifi er front panel features front panel features 1) active/passive switch: reduces the input signal from your bass by -10db. Choose active for basses with active electronics and very high output. 2) input jack: a standard ¼” input jack to plug in active or passive basses using a...

  • Page 7: Rear Panel Features

    7 fusion 550 bass amplifi er rear panel features rear panel features 1) ac receptacle: standard iec receptacle. The power cord plugs in here. 2) 500w amp only: ¼” speaker output jacks. Im- pedances lower than 4 ohms should not be used. Higher impedances such as 8 ohms, 16 ohms, or no load are accepta...

  • Page 8: Horn Bi-Amp System

    8 fusion 550 bass amplifi er horn bi-amp system horn bi-amp mode: this mode requires a gk horn bi-amp compatible bass cabinet. Use a properly wired four-conductor speakon cable to connect to your cabinet. Set the switch on the back of your gk hbs compatible enclosure to bi-amp. In this mode, the cabi...

  • Page 9: Sample Settings

    9 fusion 550 bass amplifi er t r e b l e t r e b l e b r i g h t b r i g h t d e e p d e e p h i g h m i d h i g h m i d l o w m i d l o w m i d b a s s b a s s c h a n n e l c h a n n e l c h 2 c h 2 o f f o f f p a s s i v e p a s s i v e /. /&& j ? 8 g @ e > 8 : k @ m 8 : k @ m c o n to u r c o n ...

  • Page 10

    10 fusion 550 bass amplifi er 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 amplifi er is pushing a speaker cone and it needs to reproduce a high-power transien...

  • Page 11

    11 fusion 550 bass amplifi er horn bi-amp operation: bass players have al- ways liked the growl they get from a slightly over driven gk power amp. The problem is that growl sounds great through woofers but will destroy the horn (tweeter). In a typical full range system, there is no way to get that gr...

  • Page 12

    Fusion 550 hybrid valve bass amplifi er owner’s manual part # 160-0420-a block diagram output power: main amp 350w @ 8 ohms 500w @ 4 ohms horn amp 50w @ 8 ohms audio inputs: instrument input ¼” mono, unbalanced level 0.6v rms w/ -14db pad 1.6v rms impedance 1m ohm return input ¼” mono, unbalanced imp...