Cloud Matrix 4 Installation & User Manual
Matrix 4
Installation & User Guide
V 6.0
Cloud Electronics Limited
140 Staniforth Road, Sheffield, S9 3HF England
Tel +44 (0) 114 244 7051
Fax +44 (0) 114 242 5462
Matrix 4 I
NSTALLATION AND OPERATION MANUAL
1
Matrix 4 Mixer
Installation and operation manual
Contents
Section
Page
1 Safety Notes...............................................................................2
2 General ......................................................................................2
3 Schematic Diagram....................................................................2
4 Installation..................................................................................2
5 Microphone inputs......................................................................2
6 Microphone Sensitivity ...............................................................3
7 Microphone Equalisation............................................................4
8 High Pass Filter..........................................................................4
9 Microphone Level Controls.........................................................5
10 Microphone Routing Switches....................................................5
11 Master Microphone Level Controls.............................................5
12 Microphone Priority.................................................................... 5
13 CPM-4 Paging Microphone........................................................5
14 Paging Microphone Channel......................................................6
15 Paging Microphone Input Gain................................................... 6
16 Paging Microphone Controls......................................................7
17 Music Inputs...............................................................................7
18 Selection and control of music signals .......................................7
19 Outputs.......................................................................................7
20 EMC Considerations ..................................................................7
21 Technical Specifications.............................................................7
22 General Specifications ...............................................................8
Safety considerations and information .......................................8
16/12/02 V6.0
2 Matrix 4 I
NSTALLATION AND OPERATION MANUAL
1 Safety Notes
• Do not expose the unit to water or moisture.
• Do not expose the unit to naked flames.
• Do not block or restrict any air vent.
• Do not operate the unit in ambient temperatures above 35
C.
o
• Do not perform any internal adjustments unless you are qualified to do so and fully
understand the hazards associated with mains operated equipment.
• The unit has no user serviceable parts. Refer any servicing to qualified service
personnel.
• If the moulded plug is cut off the lead for any reason, the discarded plug is a potential
hazard and should be disposed of in a responsible manner.
For more detailed information refer to Safety Considerations & Information on page 8.
2 General
The Cloud Matrix 4 is a versatile four-zone mixer. The unit has applications where four
microphones a paging microphone and two line level music signals are required to feed up to
four separate areas with full user control of the signal routing. The CPM-4 four-zone paging
microphone is available as an accessory to the Matrix 4 (See section 13 for more details).
The front panel mounted signal routing and level controls have been kept to a minimum,
resulting in a logical layout easily understood by unskilled staff.
3 Schematic Diagram
4 Installation
The Cloud Matrix 4 Mixer can be left free standing on a flat surface or be mounted in a
standard 19” equipment rack where it will occupy three units of rack space. The Matrix 4
Mixer is 160mm deep but a total depth of 235mm should be allowed to clear rear panel
connectors.
5 Microphone Inputs
Four microphone inputs are provided; each of the four microphone amplifiers is an
electronically balanced, transformerless design configured for optimum low noise
performance. The input impedance is greater than 2kΩ and is suitable for microphones in
the 200Ω to 600Ω range. Inputs are via gold-plated 3-pin XLR type connectors with latch and
these are positioned on the rear panel.
16/12/02 V6.0
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