www.cleveracoustics.co.uk
ZM4 4 Zone Mixer
User Manual
3
Product overview & technical specifications
The ZM4 Zone Mixer is ideal for systems where multiple zones are required and will be amplified utilising external
amplification. Designed for use in venues such as schools, churches, entertainment venues or commercial
buildings. The ZM4 zone mixer has five input channels, each with selectable independent output routing, input
gain, treble bass and volume controls. Input channels 1-4 are via XLR/Jack combo sockets, each with Line/Mic/
Mic+Phantom selection, input channel 5 is via a stereo line level input.
Four output zones each feature LED VU indicators, monitor selection and volume controls. The on-board monitor
facility, selectable for each zone output features a 1W 8Ω loudspeaker output suitable for driving a loudspeaker
local to the ZM4 zone mixer. For ease of installation, the output connectors for each zone feature phoenix style
screw terminals offering a balanced signal for output to external amplification.
• Four output zones each with level control
and monitor selection
• Five input channels:
Channels 1-4 are via XLR/Jack combo sockets, each
with Line/Mic/Mic+Phantom selection
Channel 5 is via phono (RCA) stereo line level input
• 3U, 19” rackmount chassis
• Input gain, treble, bass and level controls
• Selectable output routing for all input channels
• Monitor function with level control and LED VU meter
• Output for monitor loudspeaker: 1W, 8Ω
• Headphone output with level control
• Telephone/paging input (zone selectable)
with adjustable level
• Priority input for telephone and MIC1
(music mute facility)
• Line level MIX output
ZM4 4 Zone Mixer
ZM4 4 Zone Mixer
PHANTOM
LINE
MIC
DC 24V 450mA
+
LINE OUT - BAL/UNBAL
ZONE 1
G
–
+
LINE OUT - BAL/UNBAL
ZONE 2
G
–
+
LINE OUT - BAL/UNBAL
ZONE 3
G
–
+
LINE OUT - BAL/UNBAL
ZONE 4
G
–
+
VOLUME
Z1
Z3
Z2
Z4
CH 1
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
VOLUME
Z1
Z3
Z2
Z4
CH 2
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
VOLUME
Z1
Z3
Z2
Z4
CH 3
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
VOLUME
Z1
Z3
Z2
Z4
CH 4
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
VOLUME
Z1
Z3
Z2
Z4
CH 5
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
ON
OFF
POWER
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
0
10
PHONE
PHONE
VOLUME
MONITOR
VOLUME
0
10
MONITOR
LINE OUTPUT
G
+
MONITOR
1W 8Ω
PRIORITY
–
+
TEL PAGING
COM
GND
HOT
POWER INPUT:
110-240V~50/60Hz
110-120V~60Hz - FUSE: T6.3A 250V
220-240V~50/60Hz - FUSE: T3.15A 250V
110-120V~
220-240V~
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
www.cleveracoustics.co.uk
TEL
VOLUME
ZONE
CH4
CH2
CH1
CH3
L
R
CH5
LINE
PHANTOM
LINE
MIC
PHANTOM
LINE
MIC
PHANTOM
LINE
MIC
SERIAL NUMBER
POWER CONSUMPTION (max.): 22W
LF
HF
GAIN
LF
HF
GAIN
LF
HF
GAIN
LF
HF
GAIN
LF
HF
GAIN
Specifications
ZM4 4 Zone Mixer
Input sensitivity/
impedance
- CH1–3: 5mV/4kΩ (Mic), 100mV/10kΩ (line) via
combi XLR/6.35mm (1/4”) jack
- Phantom power: 15V
- CH4-5: 100mV/30kΩ (line) unbalanced stereo phono
- TEL. paging - 40mV – 1.5V/5kΩ unbalanced screw
terminals
Frequency response
20Hz-22kHz (±2dB)
THD
<0.03% (@1kHz 1W output)
Power consumption
22W (max.)
Power supply
110-240V~50/60Hz
AC or 24V DC
Fuse
T3.15A 250V
Dimensions
135 x 484 x 210mm
Weight
4.6kg
Order code
CRAM34
ZM4 4 Zone Mixer
Z1
VOLUME
Z3
Z2
Z4
CH 1
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
Z1
VOLUME
Z3
Z2
Z4
CH 2
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
Z1
VOLUME
Z3
Z2
Z4
CH 3
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
Z1
VOLUME
Z3
Z2
Z4
CH 4
0
1
2
3
4
5
6
7
8
9
10
-10
+10
-10
+10
-10
+10
Z1
VOLUME
Z3
Z2
Z4
CH 5
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6
7
8
9
10
-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
LF
HF
GAIN
LF
HF
GAIN
LF
HF
GAIN
LF
HF
GAIN
LF
HF
GAIN
1
35mm
484mm
210mm
