Cloud Electronics MPA626 - Manual (Page 2)

MPA-626: Installation and Operation Manual 1
MPA-626
Installation and operation manual
Contents
Section Page
1 Safety Notes ............................................................................. 3
2 General Description................................................................. 3
3 Schematic Diagram ................................................................. 3
4 Music Inputs
4.1 Sensitivity & Gain Control .................................................... 4
4.2 Music Source Select ............................................................ 4
4.3 Music Level Control, Local or Remote ................................. 4
5 Music Equalisation .................................................................. 4
6 Music Priority ........................................................................... 5
7 Microphone Input..................................................................... 5
7.1 Gain Control ........................................................................ 6
7.2 Microphone Input ................................................................. 6
7.3 Restoration Relays .............................................................. 7
8 Front Panel Level Controls ..................................................... 8
9 Microphone Equalisation ........................................................ 8
10 Microphone Priority................................................................. 8
10.1 Microphone Over Music Priority......................................... 8
10.2 Mic 1 Over Mic 2 Priority................................................... 8
11 Chime........................................................................................ 9
12 Power Amplifier and Line Outputs ......................................... 9
12.1 Power Amplifier and Protection Circuits............................. 9
12.2 High Pass Filter ................................................................ 9
12.3 Aux Outputs ...................................................................... 9
13 Music Mute (Fire Alarm Interface) ........................................ 10
14 Bose Equalisation Modules.................................................. 10
14.1 Installation Information..................................................... 10
14.2 Installation Instructions .................................................... 10
15 Facility Input .......................................................................... 10
15.1 AE-1 Facility Connection ................................................. 11
15.2 DM-1 Facility Connection................................................. 12
15.3 Connecting Multiple DM-1 Modules to the Facility Input .. 13
16 Facility Input Capacity .......................................................... 14
17 General Notes ........................................................................ 14
17.1 Multi-zone Applications.................................................... 14
17.2 EMC Considerations........................................................ 14
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