- DL manuals
- Gallien-Krueger
- Amplifier
- Fusion 550
- Owner's Manual
Gallien-Krueger Fusion 550 Owner's Manual
Summary of Fusion 550
Page 1
Fusion 550 owner’s manual.
Page 2: Introduction
2 fusion 550 bass amplifier congratulations 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, yo...
Page 3: Table of Contents
2 3 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 front panel controls..................
Page 4: Safety Information
4 fusion 550 bass amplifier safety information please read all enclosed safety precautions before connecting or operating this product. Verify line voltage and amperage: your new amplifier has been factory configured for use with the following: 120 volt/60hz 15 a circuit for usa/canada. 240 volt/50hz...
Page 5: Quick Start
4 5 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). External cabinets: if using an external speaker cabinet, co...
Page 6: Front Panel Features
6 fusion 550 bass amplifier 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 an...
Page 7: Rear Panel Features
6 7 fusion 550 bass amplifier 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 accept...
Page 8: Horn Bi-Amp System
8 fusion 550 bass amplifier 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 cabin...
Page 9: Sample Settings
8 9 fusion 550 bass amplifier treble bright deep high mid low mid bass channel c h 2 o f f p a s s i v e contour frequency 800 hz 500 hz o n o f f o n a c t i v e c h 1 gain o f f m u t e horn bi-a...
Page 10: Tech T
10 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 high-power transient...
Page 11: Tech T
10 11 fusion 550 bass amplifier 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 ...
Page 12
Fusion 550 hybrid valve bass amplifier owner’s manual part # 160-0420-a1 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 im...