Page 1
MODEL: MS12S/12SA
www.altoproaudio.com
Version 1.0
Page 2
CONTENT
1. INTRODUCTION……………………………………………………1
2. TECHNICAL SPECIFICATION……………………………………2
3. BLOCK DIAGRAM & SCHEMATIC DIAGRAM ………………… 44
4. PCB LAYOUT................................................................ 12
5. TEST PROCEDURE ……………………………………………… 16
6. EXPLODED VIEW & MECHANICAL PARTS LIST… ………… 17
7. BOM ………………………………… ……………………………...20
Page 3
1 INTRODUCTION
- 1 -
The MS series speakers are designed for professional stage, using multilayer PLYWOOD 15mm
for cabinet, one metal handle, enjoying strong subwoofer. Attractive appearance with black paint
finishing, containing precise crossover frequency for good performance, four rubber corners in
bottom bracket and sides to protect the unit. User can select different location for own need,
MS12S includes passive crossover, MS12SA includes precise electronic crossover, with 12’’
high power woofer used with CLASS D amplifier, especially applied to conference and small
acticities.
Page 4
2 TECHNICAL SPECIFICATION
- 2 -
Page 5
- 3 -
Page 6
D
3 BLOCK DIAGRAM
C
B
A
1
+
-
ELVIS 15SA MKII
4
HI OUT
LOW OUT
VER090202
of
Revision
1
Drawn By: Quan Dong Zeng
115V/230V
AC choose SW
HI AMP
DM350W+65W
HI PASS
+
_
U2B
321
Thermograph protect
Thermograph mend
Short circuit Protect
Overload Protect
-15V
+15V
+_U2A
LOW AMP
10-Feb-2009 Sheet
ELVIS 15SA .sch
Model No:
POWER SW
LOW PASS
+_U3B
3.15A
ELVIS15SA MKII
File:
A4
Titel
Date:
Size
SIG/CLIP
+_U1B
+_U1A
+_U1B
+_U1B
D
2
CN2
power
1 2 3 4
IN PUT / LINK
+15V 1
- 4 -
C
B
A
Page 7
D
inductor
SCHEMATIC DIAGRAM
C
B
1/1
4
A
1of
VER0090407
KAIMINGLIU
RevisionModel No:
1
Drawn By:
Sheet
MS12SA
HK11064
MS12SA
SPEAKER
321
+
SUBWOOFER
-
Titel
OUTPHASE
07-April-2009
A4
Size
File:
Date:
HA04165
-RS PC250*2
HA04474
560mm UL1015 18AWG
550mm UL1015 14AWG
HK11062
P-MS12S XOVER
IN+
OUT+
CN00170
MS12S
HA02515
HA02324
160mm 18AWG
LOW+
HB02154
D
LOW-
MS15S/18S_IN
C
320mm 18AWG
IN+
OUT+
1 2 3 4
B
A
- 5 -
Page 8
D
terminal wiring
blown
black
- 6 -
C
B
1/1
4
A
1of
KAIMINGLIU
RevisionModel No:
1
Drawn By:
Sheet
SPEAKER
321
HK11064
+
LOW+
-
SUBWOOFER
LOW-
MS12SA VER090407
07-April-2009
MS12SA
A4
Titel
Size
File:
Date:
-RS PC250*4
HA02520
750mm UL1015 18AWG
MS12SA
LOW+
K-
HK11063
D
C
LOW-
MS12SA
1 2 3 4
B
A
Page 9
D
- 7 -
4
C
B
A
VER090302
11 of
KAIMINGLUI
RevisionModel No:
Drawn By:
Sheet
MS12S 1/1
P3
OUT OF PHASE
SUBWOOFER 12"
(BLACK)
_
P1
+
321
(BROWN)
+
_
P2
+
_
SAT (MS8)
P4
MS12S
10-Apr-2009
MS12S~1.SCH
MS12S PASSIVE
A4
Titel
Size
File:
Date:
LOW OUT
68uF/100V
68uF/100V
C1
C2
L1
3.0mH EI
+
D
INPUT
_
1 2 3 4
C
B
A
Page 10
87654321
- 8 -
D
C
B
IN PUT RIGHT
J2
HIGH INPUT
+4dB
CN-BAL-MALE
MIC2
MIC1
XLR
X1X2
X3
SW PS-22E85L
R7
10K
C5
J1
1
3
2
4
R1
2
330R
3
1
R2
330R
GND
C1
22pF
Z1
1N4744Z21N4744
Z3
1N4744Z41N4744
GND
R3
15K
R4
15K
R6
15K
R5
C2 47pF
6
5
C3
47pF
U1B
15K
4580M
C9
7
10U/16V
R13
10K
C4
100nF TO 150nFC6100nF TO 150nF
47U/16V
SW3B
SW PS-22E85L
6
P
R8
47K
4
5
R9
47K
GND
C20 47pF
R15
10K
GND
R14
10K
6
5
U3B
4580M
GND
C15
47U/16V
7
R30
47K
C21
47U/16V
C22
47U/16V
R24
10K
C16
100nF TO 150nF
SW3A
SW PS-22E85L
2
3
R25
47K
R31
10K
C17
100nF TO 150nF
1
GND
GND
C11 47pF
15K
R19
15K
R16
2
U1A
3
4580M
C12
47pF
C10
1
10U/16V
1
3
2
4
1
2
3
4
5
6
C14
0.01uF/400V
SW2A
R22
10E
1
2
3
SW PS-22E85L
SW2B
P
R20
330R
R21
330R
Z6
1N4744
Z8
1N4744
R17
15K
R18
15K
GNDGND
C13
22pF
Z5
1N4744
Z7
1N4744
R23
GND
10K
4
5
6
C7
47U/16V
C19
47U/16V
R26
47K
GND
U2B
6
5
4580M
R10
47K
47p
C23
10K
R32
U3A
2
3
4580M
2
U2A
3
4580M
R27
47K
7
1
1
C18
10u/25V
C8
10U/16V
C24
47U/16V
GND GND
SW1
R33
47K
R11
330R
R28
330R
PHASE
R12
15K
R29
15K
C25
47U/16V
R34
47K
GND
GND
2
3
1
2
3
1
CN5
OUT PUT RIGHT
VR1
R35
B50K
1
100K
CN4
OUT PUT LIGHT
6
5
GND
2
R36
10K
C26 47P
4580M
U4B
C34
47pF
R47
10K TO 18K
U6A
4580M
U8A
393
U8B
C35
47u/25V
1
R58
10K
7
R59
4K7
GND
R50
15K
2
3
R64
330R
R49
330R
R60
27K
C38
1uF
R46
10K
C39
470P
CN3
1
2
OUT
CN1
1
2
OUT
EC
D7
BAS316
TR2
PNP
B
12
3
GreenRed
TR1
7002
LD1
LED-2P
R61
1K
DL1
AAK
112
VTL5C4
C33 10N
6
5
GND
10K
R45
47K
4580M
U6B
R54
82R
R55
8K2
+15V
+RVCC
R56
10K
R57
10K
D3
1
4148
D4
4148
K
2
7
8
3
2
4
5
6
393
D1
R48
0R
4148
D2
2
A1K
4148
R38
3
C27
100N
7
R37
15K
C28
100N
0R/NC
2
3
GND
2
3
GND
R39
68K
4580M
U4A
4580M
U7A
R40
15K
C30
C29
100N
1
100N
2
4580M
3
U5A
R41
68K
GND
1
C31 22 0N
R51
18K
U7B
4580M
R43
56K
6
5
GND
OUT
6
5
R42
1
56K
4580M
U5B
C32
10N
D5
BAS316
1A2
R52
100K
OUT
7
K
D6
7
BAS316
C37
1uF
R44
56K
R53
D
C
B
A
-15V
C57
+15V
47U/16V
C56
47U/16V
CN2
3
2
1
CN-3P-180
1 2 3 4 5 6 7 8
C59
100nF
C58
100nF
GND
C40
100nF
C41
100nF
C42
100nF
C43
100nF
C44
100nF
C45
100nF
C46
100nF
C47
100nF
C48
100nF
C49
100nF
C50
100nF
C51
100nF
C52
100nF
C53
100nF
C54
100nF
C55
100nF
U1C
4580M
8 4
U2C
4580M
8 4
U4C
4580M
8 4
U3C
4580M
8 4
U5C
4580M
8 4
U6C
4580M
8 4
U7C
4580M
8 4
U8C
393
8 4
MS15SA/MS18SA-PRE
Titel
Size
Model NO:
A3
Date
File
MS15SA/MS18SA-PRE VER081107
07-NOV-2008
MS15SA/MS18SA-PRE
+15V
R62
3k
R63
AK
1K
DL2
power
Sheet of
Drawn By YingBoLi
CN7
1
2
Revision
1 1
A
Page 11
87654321
- 9 -
J107
R116
100K
1
D
J108
C
R146
100K
2
C117
1.0UF
L104
2.7mH
331
442
C119
0.47U
1
2
C120
222/250V
L105
2.7mH
C121
222/250V
331
442
C122
222/250V
C118
0.47UF
C123
222/250V
T3.15AL
F100
D116
8A GBU-8K
J107
NTC-5
C124
2
AC1
AC2
3
120V
J107
C125
470UF/200V
470UF/200V
1
DC+
DC-
4
VCC
1
R148
100K
VEE
VCC
1
R149
100K
VEE
VEE
C133
560PF
C134
R164
3302
7
CPH
COM8SD9CS10LO11VS12HO13VB
VEE
C134
100PF
D
0.047UF
1
R154
1003
1
R155
1003
1
R156
1003
1
1
R163
2.2K
1
R150
1002
4
6
CT
3
5
RPH
2
RT
VCC
VDC
VEE
C154
1.0uF/16V
1
AK
U104
NC
IR2156
D117
US1G
14
C144
NC
1
R143
1K
C136
1.0uF/16V
C136
1.0uF/16V
1UF/50V
C128
1.0uF/16V
R165
22R
R166
22R
C131
D118
1W13V
HGTG7N60A4D
1
1
R123
1K
C130
1.0uF/16V
VEE
1
1
1
Q102
G
G
0.02 5W
R151
1003
R152
1003
R153
1003
R168
VCC
SD
SD
Q103
HGTG7N60A4D
1
VEE
21
D119
DIODE-20A-R
3
VCC
C132
6.8n 100V
C13868n-630V
C13968n-630V
DM 350W+65W PCB (1/3)
C107
PR1
100R
VEE
R117
100K
VEE
0.1U
Q101
2N5401
1
5
2
4
TRANS-ER35-IRS2092
T1
1
5
2
4 7
C
D111
1N4148
14
14
13
13
12
12
11
11
10
10
9
6
TC-1
TC-3
TC-4
9
TC-2
TC-5
7
TC-6
6
R157
100R
D
C
+35V
R144
47R
R145
47R
R170
1.0R 0.5W
C140
100U/35V
C141
100U/35V
R172
1.0R 0.5W
2
-35V
1
C150
22UF/50V
22UF/50V
C151
2
Titel
DM 350W+65W PCB
Size
K
+60V
K
2
D125
ER506
D124
ER506
1
A
--60V
D122
R173
0R
R158
0R
ER506
D123
ER506
1
1
TC-1
TC-2
B
A
L106
INDUCTOR
C133
4700UF/63V
4700UF/63V
C135
L107
INDUCTOR
D126
TC-5 1A2
TC-6
K
D127
2
1
US1G
A
C156
100UF/16V
NC
NC
R140
100K
R141
100K
K
C159
F101
T5AL
T5AL
F102
C115
1000UF/100V
1000UF/100V
C116
R179
NC
C155
NC
+VCC
C145
0.1UF/100V
C170
0.1UF/100V
-VCC
R182
NC
CN103
1
2
NC
R171
JUMP 7.5mm
+35V
-35V
R176
1K 2W
-VCC
C158
100UF/25V
Q106
D667
R183
10R 1W
D127
0R
R130
1K
AK
47R 1W
C162
100UF/35V
R175
Q107
2N5401
1
1
C152
22UF/50V
R128
100K
C105 0.1UF
R126
1K
U11
AN7812
2
D102
NC
2
3
C149
47UF/25V
U7
AN7812
R119
10K NTC
R124
NC
3
C157
NC
CN104
1
2
NOT USE
K
+12V-1
2
CN105
1
2
2P
D133
4148
1
A
C147
100UF/16V
FAN CONTROL
TC-3
TC-4
D130
SF38
SF38
D134
SF38
SF38
+15V
A K
-15V
D128
D129
D112
6.8V
D113
6.8V
2
1
A
AK
A3
Date
File
1 2 3 4 5 6 7 8
1
2
1
Vin
U8
AN7805
2
1.0uF/10V
1
Vin
Vout
GND
U10
AN7905
Model NO:
DM 350W+65W
17-NOV-2008
DM 350W+65W
U6
AN7815
Vout
GND
U9
AN7915
C172
1.0uF/10V
3
3
3
1.0uF/10V
C146
3
C142
100UF/16V
R142
100K
C143
100UF/16V
C148
C171
100U/16V
C153
100U/16V
Sheet of
C163
0.1U
C175
0.1U
1 3
Drawn By YuShuaiWei
+15V
CN100
1
2
3
CON3
-15V
+5V
D131
4148
4148
D132
-5V
Revision
VER081103
B
A
Page 12
87654321
- 10 -
DM 350W+65W PCB (2/3)
DC OFFSET
PROTECT
C104
1U
3
4
-5V
2
3
+5V
6
5
U12
H11A817C
U3A
LM393
1
8 4
D100
U3B
LM393
1N4148
7
D120
1N4148
2
1
C144
NC
R114
0R
SD
R112
NC
D135
1N4148
R107
1.0K
R109
2.0K
D101
1N4148
D
+VO2
R100
100K
R104
27K
D
C
R105
1M
C100
0.1UF
-0.6V
+0.6V
R160
1K
DC OFFSET SHUTDOWN
C
CN104
2
1
CN101
2
1
B
PROTECT
+5V
+IN
-5V+5V
1
7
+35V
R108
0R
+IN
R132
4.75K
U4B
LM393
OVP
-5V
8 4
+5V
-VCC
D103
1N4148
R103
2.2K
U4A
LM393
R102
10K
R161
2.2K
R101
100K
2
3
+1.8V
6
-1.8V
5
C167
10U/50V
+VCC
R111
2K
R122
100K
R136
120K
22UF/50V
C168
10UF/50V
R169
22K
C166
R113
2K
+5V
0.1U
C110
R177
1K
C102
100P
R115
47K
C101
100P
U1
7
+VS
+IN -IN
3
4
SUR
TDA7294
9
STBY
10
MUTE
-VS
8
Q100
2N5401
D110
1N4148
R118
100
+35V
13
+VPW
OUT
-VPW
15
-35V
BO
GND
14
2
6
1
OTP
R162
680R
R139
27K
C164
22UF/50V
D136
1N4148
C165
22UF/50V
R186
0.5A 60V MF-R050
1
2
CON107
R190
1.0K
U14B
7
LM393
U14A
1
LM393
-5V
8 4
+5V
L102A
NC
L102B
JP5.0
5
6
2
3
R191
10K
R192
10K
E
+5V
E
0.1uF 400V
R106
10R 0.5W
C169
J101
J102
+35V
-35V
+5V
-5V
C160
820U/35V
C161
820U/35V
C173
0.1U
C175
0.1U
D
C
B
R134
2.0k
+1.8V -1.8V
D104
1N4148
D106
1N4148
+0.6V -0.6V
D107
1N4148
A
1 2 3 4 5 6 7 8
R135
2.0k
D105
1N4148
D108
1N4148
D109
1N4148
CN102
1
2
C103
220P
R138
100k
L101
INDUCTOR
6
5
U13B
4580
R189
10K
7
C174 220P
-5V
2
3
8 4
+5V
R187
10K
U13A
4580
IN-2
R131
10 2W
C112
0.1uF 100V
+VCC
A K
A K
-VCC
Titel
Size
D114
BYV27C
D115
R133
1K 2W
BYV27C
R178
NC
DM 350W+65W PCB
Model NO:
A3
Date
File
DM 350W+65W
17-NOV-2008
DM 350W+65W
+VO2
C177
NC
J103
C176
NC
J104
Sheet of
Drawn By YuShuaiWei
Revision
VER081103
2 3
A
R125
0.0
R188
1
1K
R180
NC
R181
NC
R174
390R
R120
NC
10U
R127
57.6K
R185
2.2K
R129
2.2K
C109
220pF 630V
CH2 OC108
L103 22uH
C110
1.0uF 250V
Page 13
87654321
- 11 -
DM 350W+65W PCB (3/3)
D
C4
10uF
R42
10K
C6
10uF
D5
R23
4.7R
R10
10R
R39
33K
R44
33K
VCC
R29
10K
D2
R159
10R
R167
10R
R45
4.7K
Q107
Q104
DS2
IRFB38N20D
IRFB38N20D
C114
0.1uF,250V
R184
1R
C111
0.1uF,250V
+VCC
C113
0.1uF,250V
CH2 O
-VCC
R51
C24
1nF,250V
R20
4.99K
R18
NC
NC
C2
1nF
1
2
3
4
5
6
7
U2
GND
IN-
COMP
CSD
VSS
VREF
OCSET8DT
IRS2092S
-35V Bus
CSH
VB
HO
VCC
COM
VS
LO
16
15
14
13
12
11
10
R6
9
3.3K
R14
8.2K
C19
C
SD
+5V VAA
IN-2
D3
-5V
R8
10R
R53
3.01K
E
R403
100R
R4
10R
C31
10nF
R22
1K
C16
C22
1nF,250V
C11
10uF
10uF
R205 1.2K
P2 5K
CH2
10uF
R49
D7
B
NC
D
C
B
A
DM 350W+65W PCB
Titel
Size
A3
Date
File
1 2 3 4 5 6 7 8
Model NO:
DM 350W+65W
17-NOV-2008
DM 350W+65W
Sheet of
Drawn By YuShuaiWei
Revision
3 3
A
DM 350W+65W
Page 14
4 PCB LAYOUT
- 12 -
Page 15
- 13 -
Page 16
- 14 -
Page 17
- 15 -
Page 18
SEIKAKU ELECTRON INDUSTRY CO., LTD.
5 TEST PROCEDURE
Test Result
Model No: ELVIS 15SA MKII (Amplifier) USER OF ATS-2
Tester:
Test Item Test Conditions Spec Test Result Remark
1 Power Source
Motionless State
2
3
4 Rated Output
5 Signal/Noise
Current
Power
Consumption
AC
All Load Break <18W W VR MAX
At Full Power
HI Load 8
LOW Load 4
Test Date: 2009/02/10
AC:
230V/50HZ
2.21A A
300W W
// //
30V V
// //
85dB dB
AC:
230V/50HZ
OK
VR MAX
VR MAX
VR MAX
6 Hum or Noise
7
Distortion
8
9
10
INPUT
SENSITIVITY
PUNCTURE
VOLTAGE
LINK OUT
HI //
dBu VR MAX
LOW -55dBu
HI Load 8
LOW Load 4
Output at Full Power
5mA 5Sec 1800V V
LEFT/MONO IN PUT
-4dBu
RIGHT IN PUT -4dBu Link-R -4dBu
0.1% %
0.1% %
-4 2dB dB VR MAX
Link-L -4dBu
OUT-L -4dBu
OUT-R -4dBu
VR MAX
GND SW Down
VR MAX
FREQUENCY
11
RESPONSE
Input -12dB Load 8 LOW Hz VR MAX
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6 EXPLODED VIEW
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PARTS LIST
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7 BOM
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