HPA SY-A8412H, SY-A8224H, SY-A8148H Owner's Manual
Owner’s Manual
SY-A8412H
SY-A8224H
SY-A8148H
Public Address Multi-Channel Mixer Amplier
PEAK
SIG
PEAK
SIG
PEAK
SIG
PEAK
SIG
PEAK
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PEAK
SIG
PEAK
SIG
PEAK
SIG
0 0 0 0 0 0 0 0 0
MUTE
0+10
LEVEL
POWER
ON
OFF
-15+15
-15+15
-15+15
HIGH
-15+15
LOW
-15+15
MID
HIGH
LOW
MID
HIGH
LOW
MID
HIGH
LOW
MID
-15+15
-15+15
-15+15
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-15+15
HIGH
-15+15
LOW
-15+15
CH 1 CH 2 CH 3 CH 4 CH 5 CH 6 CH 7 CH 8
MASTER
PROT
CLIP
0
-10
SIG
1CH MIXING AMPLIFIER
SY-A8148H
PEAK
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PEAK
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0 0 0 0 0 0 0 0 0 0 0 0
1
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1
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1
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1
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1
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3
4
1
2
3
4
1
2
3
4
1
2
3
4
MUTE
MUTE MUTE
MUTE
0+10
LEVEL
CH 1
CH 2
CH 3
CH 4
POWER
ON
OFF
HIGH
-15+15
LOW
-15+15
HIGH
-15+15
LOW
-15+15
HIGH
-15+15
LOW
-15+15
HIGH
-15+15
LOW
-15+15
CH 1 CH 2 CH 3 CH 4 CH 5
CH 6
CH 7 CH 8
MASTER 4MASTER 3
MASTER 2
MASTER 1
-10
PROT
CLIP
0
-10
SIG
PROT
CLIP
0
-10
SIG
PROT
CLIP
0
-10
SIG
PROT
CLIP
0
SIG
4CH MIXING AMPLIFIER
SY-A8412H
-15+15
HIGH
-15+15
HIGH
-15+15
HIGH
-15+15
HIGH
-15+15
-15+15
MID
MID
MID
MID
-15+15
-15+15
-15+15
MID
MID
MID
MID
-15+15
-15+15
-15+15
PEAK
SIG
PEAK
SIG
PEAK
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PEAK
SIG
PEAK
SIG
PEAK
SIG
PEAK
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PEAK
SIG
0 0 0 0 0 0 0 0 0 0
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2 MUTE
MUTE
0+10
LEVEL
CH 1
CH 2
POWER
ON
OFF
-15+15
-15+15
-15+15
HIGH
-15+15
LOW
-15+15
MID
HIGH
LOW
MID
HIGH
LOW
MID
HIGH
LOW
MID
-15+15
-15+15
-15+15
-15+15
-15+15
-15+15
-15+15
HIGH
-15+15
LOW
-15+15
HIGH
-15+15
LOW
-15+15
CH 1 CH 2 CH 3 CH 4 CH 5 CH 6 CH 7 CH 8
MASTER 2MASTER 1
PROT
CLIP
0
-10
SIG
PROT
CLIP
0
-10
SIG
2CH MIXING AMPLIFIER
SY-A8224H
WARNING
SY-A8412H / SY-A8224H / SY-A8148H
1
Table of contents
Introduction .............………………………………………….2
Features .................……………………………………………3
Front panel controls..........…………………………………..4
Rear panel controls .....………………………………………6
Block diagram ..............………………………………………8
Specications ........…………………………………………...9
SY-A8412H / SY-A8224H / SY-A8148H
2
Introduction
Introduction
Welcome
Congratulation and thank you for purchasing SY-A series multi-channel
constant voltage power amplifier.
Unpacking and Installation
Although it is neither complicated to install nor difficult to operate Pre Am-
plifier, a few minutes of your time is required to read this manual for a prop-
erly wired installation and becoming familiar with its many features and
how to use them. Please take a great care in unpacking your set and do
not discard the carton and other packing materials. They may be needed
when moving your set and are required if it ever becomes necessary to
return your set for service. Never place the unit near radiators, in front of
heating vents, excessive humid or dusty location to avoid early damage
and for your years of quality use.
Connect your unit with the system components according to the descrip-
tion on the following pages.
PEAK
SIG
PEAK
SIG
PEAK
SIG
PEAK
SIG
PEAK
SIG
PEAK
SIG
PEAK
SIG
PEAK
SIG
0 0 0 0 0 0 0 0 0 0 0 0
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
MUTE
MUTE MUTE
MUTE
0+10
LEVEL
CH 1
CH 2
CH 3
CH 4
POWER
ON
OFF
HIGH
-15+15
LOW
-15+15
HIGH
-15+15
LOW
-15+15
HIGH
-15+15
LOW
-15+15
HIGH
-15+15
LOW
-15+15
CH 1 CH 2 CH 3 CH 4 CH 5
CH 6
CH 7 CH 8
MASTER 4MASTER 3
MASTER 2
MASTER 1
-10
PROT
CLIP
0
-10
SIG
PROT
CLIP
0
-10
SIG
PROT
CLIP
0
-10
SIG
PROT
CLIP
0
SIG
4CH MIXING AMPLIFIER
SY-A8412H
-15+15
HIGH
-15+15
HIGH
-15+15
HIGH
-15+15
HIGH
-15+15
-15+15
MID
MID
MID
MID
-15+15
-15+15
-15+15
MID
MID
MID
MID
-15+15
-15+15
-15+15
SY-A8412H / SY-A8224H / SY-A8148H
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