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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

 

Impedance 

50k Ohm

Audio Outputs:

Send Output   

¼” Mono, Unbalanced

 

Impedance 

220 Ohm

Tuner Output   

¼” Mono, Unbalanced

 

Impedance 

10k Ohm

DI Output  

 

XLR, Transformer Balanced

 

Impedance 

500 Ohms

Speaker Out   

¼” Mono x2

 

 

 

Speakon x2

Equalizer:

Bass   

 

+14dB @ 40Hz

Lo-Mid  

 

+6dB/-9dB @ 250Hz                    

Hi-Mid  

 

+5dB/-8dB @ 1kHz

Treble   

 

+10/-19dB @ 7kHz

Voicing Filters:

Contour 

 

 

 

 

-16dB@500Hz  or  

 

  

 

 

-15dB@800Hz

Deep   

 

+4dB@30Hz

Bright   

 

+4dB@10kHz

Crossover:

 

 

Triple pole constant    

 

 

  

voltage crossover at 5kHz

Noise: 

 

 

-90dB “A” weighted

Cooling:

 

 

Variable Speed Fan

Protection:

Dimensions: 

               5.25H x 19W x 10D

   

Weight:

                       27.5lbs.

Consumption:

  

994W(full),    

 

 

 

 

230W(average)

Fuse:

   

 

100V - 120V  T 10 A

 

 

 

220V - 240V  T 5 A

Mains Voltage:

         USA/Canada 120 Volt/60Hz

  UK/Australia 240 Volt/50Hz

  Europe 230 Volt/50Hz

  Japan 100 Volt/50Hz

  Korea 220 Volt/50Hz

Mains Connect:

  

Standard IEC Receptacle

Full short circuit, thermal & RF 

protection. Stable into reactive 

and mismatched loads.  Five 

second muted warm-up.

1+

3

2
1

2+

1-

2-

1+

2+

1-

2-

INPUT

ACTIVE

PASSIVE

CONTOUR

800Hz

500Hz

LOW MID

GAIN

BRIGHT

BASS

DEEP

HI-MID

TO MOTORIZED POTS

MICRO CONTROLLER

CH 1

CH 2

+5V

FOOT SWITCH

1. CHANNEL SW

2. MUTE SW

TREBLE

MASTER

HORN

RETURN

TUNER

SEND

MUTE

PRE

POST

DIRECT OUT

LEVEL

BALANCE          

TRANSFORMER

BALANCE 

DIRECT OUT

GROUND LIFT

ACTIVE HIGH PASS

FILTER

500W / 4 OHMS

POWER AMP

50W / 8 OHMS

POWER AMP

1/4” JACK 

OUTPUT

SPEAKON 

OUTPUT

Содержание Fusion 550

Страница 1: ...Fusion 550 Owner s Manual ...

Страница 2: ...ler or GK as soon as possible Gallien Krueger Inc 2234 Industrial Drive Stockton CA 95206 phone 209 234 7300 fax 209 234 8420 Internet www gallien krueger com Email info gallien com Always Listening I have never seen the point in doing things the way others have done them I also have not been very interested in following the latest fad I m a Stanford educated engineer who worked my way through sch...

Страница 3: ...ING CAUTION ATTENTION TO PREVENT ELECTRIC SHOCK MATCH WIDE BLADE OF PLUG TO WIDE SLOT FULLY INSERTED POUR EVITER LES CHOCS ELECTRIQUES INRODUIRE LA LAME LA PLUS LARGE DE LA FICHE DANS LA BORNE CORRE SPONDANTE DE LA PRISE ET POUSSER JUSQU AU FOND CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO The lightning flash with arrow head s...

Страница 4: ... Make certain that the AC outlet is properly grounded as well Do not use an adapter plug with this product Do Not Open the Amplifier Enclosure There are no user serviceable parts inside this product Opening the amplifier enclosure may present a shock hazard Modification to the product will void your warranty If liquid enters the unit or any metal object such as a paper clip accidentally falls insi...

Страница 5: ...n Bi Amp compatible speaker cabinet set it to Bi Amp using the switch on the back of the cabinet See Page 8 for more details on GK s Horn Bi Amp System Initial Front Panel Control Settings Set all ac tive equalizer controls and contour to 12 o clock and the bright and deep switches off Set the Gain and Master Volumes to 0 Connect Your Bass Using an instrument shielded cable connect your bass to th...

Страница 6: ...ich boosts and cuts the high frequencies 10 High Mid Active bandpass type control which boosts and cuts at about 1kHz 11 Low Mid Active bandpass type control which boosts and cuts at about 250Hz 12 Bass Active shelving type control which boosts and cuts the low frequencies 13 Horn Bi Amp Sets the ratio between the horn output and the master output 14 Master Master volume control 15 Power LED Power...

Страница 7: ...n a different ground system 8 Balanced Direct Out A transformer balanced low impedance output to run directly to the PAsystem via a 3 pin XLR cable 9 Pre Post EQ Takes the Direct Out signal from before or after the EQ section 10 Direct Out Level Controls the output level of the Direct Out signal 11 Speakon Outputs High current twist lock Speakon output connectors Pins 1 and 1 send a fullrange sign...

Страница 8: ...to Full range In this mode the cabinet s internal passive crossover is used to split the signal between the woofer and horn Use the Woofer Main knob on the front of the amplifier to control your output level The Horn knob is not used Note To avoid the risk of damage to the amplifier do not use a four conductor Speakon cable with non GK cabinets Instead use a two conductor Speakon or speaker cable ...

Страница 9: ...BASS CHANNEL C H 2 O F F PA 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 AMP MASTER O N 12 O clock 9 12 O clock 12 3 O clock 12 O clock 9 12 O clock Off Off 800Hz Off Off 12 3 O clock 9 O clock 9 12 O clock Off On 800Hz 12 O clock 9 O clock 12 O clock 12 3 O clock Sample Settings Your GK amplifier is versatile in its sound and tone Below are ...

Страница 10: ...y in signal reproduction The treble is a shelving type control that boosts the high frequencies evenly Respectively the bass is a shelving control that evenly boosts the low frequencies The high mid and low mid are peak bandpass type controls with wide Q bandwidth patterns which are much more musical sounding Each of the four bands are connected in series meaning the output of the first band is fe...

Страница 11: ...ntaining a safe temperature level Intelligent Protection Circuitry Gallien Krueger amplifiers use intelligent protection circuitry which constantly monitors for any un safe operating conditions such as short circuits or improperly wired speaker cables If an unsafe condi tion is detected the output signal is immediately mut ed and the power light changes from blue to red The amplifier will remain m...

Страница 12: ...stant voltage crossover at 5kHz Noise 90dB A weighted Cooling Variable Speed Fan Protection Dimensions 5 25H x 19W x 10D Weight 27 5lbs Consumption 994W full 230W average Fuse 100V 120V T 10 A 220V 240V T 5 A Mains Voltage USA Canada 120 Volt 60Hz UK Australia 240 Volt 50Hz Europe 230 Volt 50Hz Japan 100 Volt 50Hz Korea 220 Volt 50Hz Mains Connect Standard IEC Receptacle Fullshortcircuit thermal R...

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