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Page 10 of 24
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K - AC Power Inlet
20A Neutrik Powercon® inlet for detachable connection.
H - Output Connectors
Neutrik Speakon® connector per channel connect to
loudspeakers.
I - Cooling Fan Outlet
Outlet for cooling air flow. Do not block or cover this outlet
L - DIP Switches
DIP switches for Mode and Sensitivity setup.
M - Analog Input Section
Balanced Analog Inputs and Loop-Through Outputs for each
channel. A 3-pin female XLR connector for each channel in-
put and 3-pin male XLR output connectors are provided (one
per channel). The signal at these connectors is paralleled
with the input signal for feeding the input
signal to other amplifiers.
A - Level and Signal Indicators
LEDs indicate signal presence and level as follows:
-30dB green = -30dB below rated output
-20dB green = -20dB below rated output
-15dB green = -15dB below rated output
-10dB green = -10dB below rated output
-4dB yellow = -4dB below rated output
Clip red
= clipped signal detected at Input or Output
B - Protect Mode
Indicator (red) Illuminates when the amplifier output
channel has stopped operating.
C - Power CH 1/2 and CH 3/4
Indicator (green) Illuminates when power supply is activated
for channel pair 1/2 or 3/4.
D - Bridge Mode CH 1/2 and CH 3/4
Indicator (yellow) Illuminates when Bridge Mode is activated
for channel pair 1/2 or 3/4.
E - Cooling Vent Grille
Provides cooling air flow ventilation from front to back. Do
not block or cover these vents.
F - Gain Control
Sets output level of each channel.
G - Power Switch
Power LED´s Illuminate when the amplifier is connected to
the mains power supply and switched on.
7.3) SX-44000, SX-46000 Front Panel
ON
OFF
CH A
CH B
CH C
CH D
PARALLEL
BRIDGE
PARALLEL
BRIDGE
PROTECT
PROTECT
E
A
B
C
D
F
E
G
B C
B
B
ON
1 2 3 4 5 6 7 8 9 10
MAINS IN
OUT A+B
OUT B
OUT C+D
OUT D
D=2 2
+ -
/
C=1 1
+ -
/
BRIDGE=1 2+
-/
D=1 1
+ -
/
B=2 2
+ -
/
A=1 1
+ -
/
BRIDGE=1 2+
-/
B=1 1
+ -
/
PIN1=GND (Ground) / PIN2=SIG+(HOT) / PIN3=SIG- (Cold)
Serial Number:
CH-B IN
CH-A IN
CH-C IN
CH-D IN
MODE
SENSITIVITY
STEREO
6
5
CHC
CHC
CHD
CHD
ON ON
4
3
CHA
CHC
CHB
CHD
ON ON
2
1
ON ON
2
1
ON ON
2
1
ON ON
2
1
ON ON
2,0V 1,4V 1,0V 0,775V BRIDGE
PARALLEL
CHA
10
9
8
7
CHA
CHB
CHB
CHB
CHB
CHC
CHC
ON ON ON ON
K
I
L
M
H
H
H
7.4) SX-44000, SX-46000 Back Panel
7.) CONTROLS AND INDICATORS