www.cleveracoustics.co.uk
MA 4120 480W Mixer Amplifier
User Manual
4
Panel & connection identification
01 - Gain control
02 - HF level control
03 - LF level control
04 - Mute switch
05 - Mute LED
06 - Input channel level control
07 - Zone selection switches
08 - Headphone level control
09 - Headphone output
10 - LED VU output meter
11 - Monitor level control
12 - Zone output level control
13 - Monitor output selector
14 - Power LED
15 - Power switch
16 - Cooling fan
17 - AC mains power input
18 - AC mains fuse
19 - AC voltage selector
20 - Monitor (MIX) line output
21 - Monitor loudspeaker output
(1W 8Ω)
22 - Priority control terminals
23 - Telephone/paging input (TEL)
24 - Telephone/paging input
zone selection & volume control
25 - Stereo LINE inputs
26 - Mono MIC/LINE inputs
27 - Input sensitivity and phantom
power control
28 - Balanced line level zone outputs
29 - Power amplifier outputs
MA 4120 MKII Mixer Amplifier
Z1
VOL
BASS
MUTE
TREBLE
GAIN
Z3
Z2
Z4
CH 1
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
Z1
VOL
BASS
MUTE
TREBLE
GAIN
Z3
Z2
Z4
CH 2
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
Z1
VOL
BASS
MUTE
TREBLE
GAIN
Z3
Z2
Z4
CH 3
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
Z1
VOL
BASS
MUTE
TREBLE
GAIN
Z3
Z2
Z4
CH 4
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
Z1
VOL
BASS
MUTE
TREBLE
GAIN
Z3
Z2
Z4
CH 5
-10
+10
-10
+10
-10
+10
0
10
PHONE
PHONE
VOLUME
MONITOR
VOLUME
0
10
VOLUME
ZONE 3
MONITOR
0
1
2
3
4
5
6
7
8
9
10
ZONE 1
ZONE 2
ZONE 4
VOLUME
MONITOR
0
1
2
3
4
5
6
7
8
9
10
VOLUME
MONITOR
0
1
2
3
4
5
6
7
8
9
10
VOLUME
MONITOR
0
1
2
3
4
5
6
7
8
9
10
ON
OFF
POWER
0
1
2
3
4
5
6
7
8
9
10
CH4
CH2
CH1
CH3
L
R
CH5
LINE
POWER INPUT:
110-240V~50/60Hz
110-120V~60Hz - FUSE: T12A 250V
220-240V~50/60Hz - FUSE: T6.3A 250V
SERIAL NUMBER
www.cleveracoustics.co.uk
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK.
DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN. NO USER
SERVICABLE PARTS INSIDE
MONITOR
LINE OUTPUT
G
+
MONITOR
1W 8Ω
PRIORITY
–
+
TEL PAGING
COM
GND
HOT
110-120V~
220-240V~
PHANTOM
LINE
MIC
PHANTOM
LINE
MIC
PHANTOM
LINE
MIC
PHANTOM
LINE
MIC
TEL
VOLUME
ZONE
LINE OUT - BAL/UNBAL
POWER AMP OUTPUT
COM
4Ω
8Ω
25V
70V
100V
ZONE 1
G
–
+
LINE OUT - BAL/UNBAL
POWER AMP OUTPUT
COM
4Ω
8Ω
25V
70V
100V
ZONE 2
G
–
+
LINE OUT - BAL/UNBAL
POWER AMP OUTPUT
COM
4Ω
8Ω
25V
70V
100V
ZONE 3
G
–
+
LINE OUT - BAL/UNBAL
POWER AMP OUTPUT
COM
4Ω
8Ω
25V
70V
100V
ZONE 4
G
–
+
POWER CONSUMPTION (max.): 550W
25
24
28
29
19 20 21 22 23
26 27
16
17 18
26
27
MA 4120 MKII Mixer Amplifier
Z1
VOL
BASS
MUTE
TREBLE
GAIN
Z3
Z2
Z4
CH 1
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
Z1
VOL
BASS
MUTE
TREBLE
GAIN
Z3
Z2
Z4
CH 2
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
Z1
VOL
BASS
MUTE
TREBLE
GAIN
Z3
Z2
Z4
CH 3
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
Z1
VOL
BASS
MUTE
TREBLE
GAIN
Z3
Z2
Z4
CH 4
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
Z1
VOL
BASS
MUTE
TREBLE
GAIN
Z3
Z2
Z4
CH 5
-10
+10
-10
+10
-10
+10
0
10
PHONE
PHONE
VOLUME
MONITOR
VOLUME
0
10
VOLUME
ZONE 3
MONITOR
0
1
2
3
4
5
6
7
8
9
10
ZONE 1
ZONE 2
ZONE 4
VOLUME
MONITOR
0
1
2
3
4
5
6
7
8
9
10
VOLUME
MONITOR
0
1
2
3
4
5
6
7
8
9
10
VOLUME
MONITOR
0
1
2
3
4
5
6
7
8
9
10
ON
OFF
POWER
0
1
2
3
4
5
6
7
8
9
10
CH4
CH2
CH1
CH3
L
R
CH5
LINE
POWER INPUT:
110-240V~50/60Hz
110-120V~60Hz - FUSE: T12A 250V
220-240V~50/60Hz - FUSE: T6.3A 250V
SERIAL NUMBER
www.cleveracoustics.co.uk
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK.
DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN. NO USER
SERVICABLE PARTS INSIDE
MONITOR
LINE OUTPUT
G
+
MONITOR
1W 8Ω
PRIORITY
–
+
TEL PAGING
COM
GND
HOT
110-120V~
220-240V~
PHANTOM
LINE
MIC
PHANTOM
LINE
MIC
PHANTOM
LINE
MIC
PHANTOM
LINE
MIC
TEL
VOLUME
ZONE
LINE OUT - BAL/UNBAL
POWER AMP OUTPUT
COM
4Ω
8Ω
25V
70V
100V
ZONE 1
G
–
+
LINE OUT - BAL/UNBAL
POWER AMP OUTPUT
COM
4Ω
8Ω
25V
70V
100V
ZONE 2
G
–
+
LINE OUT - BAL/UNBAL
POWER AMP OUTPUT
COM
4Ω
8Ω
25V
70V
100V
ZONE 3
G
–
+
LINE OUT - BAL/UNBAL
POWER AMP OUTPUT
COM
4Ω
8Ω
25V
70V
100V
ZONE 4
G
–
+
POWER CONSUMPTION (max.): 550W
7
1
2
3
6
9
11
13
15
8
10
10
12
14
4
5
