Gallien-Krueger Fusion 550 Panduan Pemilik - Halaman 7
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Halaman Cetak
Fusion 550
800 Hz
BRIGHT
500 Hz
CONTOUR
ACTIVE
INPUT
PASSIVE
GAIN
LOW MID
HI-MID
TO MOTORIZED POTS
DEEP
MICRO CONTROLLER
1.CHANNEL SW
2.MUTE SW
FOOT SWITCH
CHANNEL SW
FUSION 550 BLOCK DIAGRAM
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 acceptable. One 4 Ohm, or 8 Ohm, or
two 8 Ohm cabinets are okay. One 4 Ohm and one 8
Ohm together is not recommended. No damage will
result from operating the amplifier with the speakers
disconnected.
3) Footswitch: ¼" jack for standard 2-pole latching
footswitch. Switches between Channels and activates
the Mute. To access Channel 1/2 and Tuning Mute
functions via remote foot controller, the Channel 1/2
and Mute Switch located on the front of the amplifier
must be in the up position.
4) Tuner Out: Comes directly off of the input stage.
Unaffected by the Mute button or any of the preamp
functions.
5) Effects Return: Returns the Effects Loop signal
to the signal path in series with the preamp signal.
The preamp signal will be interrupted when the Return
jack is used.
6) Effects Send: Provides access to the preamp signal
for putting effects into the signal path. May also be used
to drive other amplifiers. The signal to the power amp
Fusion 550 Bass Amplifier
TESTED TO:
TESTED TO:
E60065
CANADA
UL6500
USA
R
IEC60065
EUROPE
C
US
FOR 120V 60Hz ONLY
PRE
POST
DIRECT OUT
LEVEL
2
BALANCE
3
DIRECT OUT
1
TUNER
BASS
BALANCE
TRANSFORMER
GROUND
MUTE
SEND
LIFT
TREBLE
QUARTER INCH JACK
RETURN
OUTPUT
500W / 4 OHMS
POWER AMP
FULL POWER: 994W
MASTER
1+
50W / 8 OHMS
1-
2-
POWER AMP
2+
ACTIVE HI
HORN
PASS FILTER
1+
SPEAKON
1-
2-
OUTPUT
2+
AC INPUT
~120V/60Hz
1
P AT C H B AY
FOOTSWITCH
TUNER
RETURN
SEND
F X
5 0 0 W A M P
O N LY
CLASS 2 WIRING
S P E A K E R O U T P U T S
2
3
4
5
6
is not interrupted when the send jack is used.
7) Ground/Lift:
connecting to equipment that is running on a
different ground system.
8) Balanced Direct Out:
low impedance output to run directly to the PA system
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:
the Direct Out signal.
11) Speakon Outputs:
Speakon output connectors. Pins 1+ and 1- send a
fullrange signal from the Main (Woofer) amplifier.
Pins 2+ and 2- send a signal 5kHz and above from the
Horn amplifier. Use a four-conductor Speakon cable
when connected to a GK Horn Bi-Amp compatible
speaker cabinet. Use a standard two-conductor
Speakon cable when connected to a non-GK cabinet
or if you're using a Speakon to ¼" adapter.
7
D I R E C T O U T
DIRECT OUT LEVEL
GND
LIFT
POST EQ.
GND
PRE
LIFT
POST
-6dBV
500W AMP @ 4 OHMS
PINS 1+/1-
50W AMP @ 8 OHMS
PINS 2+/2-
CLASS 2 WIRING
7
8
9
10
11
Used to eliminate hum when
A transformer-balanced
Controls the output level of
High current twist-lock