D&b Audiotechnik E-PAC Hardware Manual - page 3
E-PAC, Hardware manual
(1.0E)
Contents-1
Contents
Safety precautions .....................................................4
Information regarding use of the E-PAC..............................................4
1. Introduction ...........................................................6
1.1. E-PAC based systems.......................................................................7
1.2. E-PAC block diagram ......................................................................7
2. E-PAC Power amplifier controller ..........................8
2.1. Digital signal processing .................................................................8
2.2. E-PAC power amplifier....................................................................9
2.3. Power supply ....................................................................................9
2.4. Protective circuits..............................................................................9
2.5. Cooling ............................................................................................10
2.6. Remote control ...............................................................................11
3. Controls and indicators ....................................... 12
3.1. Controls ...........................................................................................12
3.1.1. Mains power switch [1].......................................................12
3.1.2. MUTE/POWER switch (green LED) [2] .............................12
3.1.3. LEVEL/PUSH MENU (Digital rotary encoder) [3]............13
3.2. Indicators.........................................................................................13
3.2.1. LC Display [4] ......................................................................13
3.2.2. ISP LED - Input Signal Present (green) [5] ........................13
3.2.3. GR LED - Gain Reduction (yellow) [6] ..............................13
3.2.4. OVL LED - Overload (red) [7] ...........................................14
4. Connections ......................................................... 15
4.1. Mains power connection and fuse protection ...........................15
4.1.1. Mains power connection [8] ..............................................15
4.1.2. Fuse protection [9] ..............................................................15
4.2. I/O Connectors ..............................................................................16
4.2.1. INPUT [12] and INPUT LINK [13] ......................................16
4.2.2. MIX IN [14] ..........................................................................16
4.2.3. SPEAKER OUT [15]..............................................................16
4.3. Remote interfaces...........................................................................17
4.3.1. REMOTE [10] .......................................................................17
4.3.2. SERVICE [11] ........................................................................17
5. Technical documentation .................................... 18
5.1. Technical specifications..................................................................18
5.2. Power consumption and power loss ............................................20
5.3. E-PAC operation ............................................................................21
5.3.1. Installation ............................................................................21
5.3.2. E-PAC Rack mount kits........................................................22
5.4. Technical drawings.........................................................................23
6. EU declaration of conformity (CE symbol) ........... 24