d&b audiotechnik D12 Hardware Manual

Contents
1. Safety precautions...........................................................5
1.1. Information regarding use of the D12 Amplifier...............................5
2. Introduction......................................................................7
2.1. Scope of supply..........................................................................................7
3. D12 Amplifier...................................................................8
3.1. D12 based systems....................................................................................8
3.2. D12 block diagram....................................................................................8
3.3. Digital signal processing...........................................................................9
3.4. D12 power amplifiers.............................................................................10
3.5. SenseDrive.................................................................................................10
3.6. Power supply.............................................................................................11
3.6.1. Inrush current limiter..................................................................12
3.7. Fan...............................................................................................................12
3.8. Remote control.........................................................................................12
4. Controls and indicators..................................................13
4.1. Controls......................................................................................................13
4.1.1. Mains power switch [1]...............................................................13
4.1.2. MUTE switch (A/B) (green LED) [2].........................................13
4.1.3. LEVEL/PUSH MENU (Digital rotary encoder) [3]................14
4.2. Indicators....................................................................................................15
4.2.1. LC Display [4]................................................................................15
4.2.2. ISP LED (A/B) - Input Signal Present (green) [5]...................15
4.2.3. GR LED (A/B) - Gain Reduction (yellow) [6].........................15
4.2.4. OVL LED (A/B) - Overload (red) [7]:.....................................16
5. Connections....................................................................17
5.1. Mains panel...............................................................................................17
5.1.1. Mains power connection [8]......................................................17
5.1.2. Fuse protection [9 (a/b)]............................................................17
5.1.3. REMOTE [10].................................................................................18
5.1.4. SERVICE [11]..................................................................................18
5.1.5. Connector panel (I/O Panel)....................................................19
5.1.6. INPUT A/B [12] and LINK A/B [13]........................................19
5.1.7. INPUT DIGITAL AES/EBU Input [14].......................................19
5.1.8. OUT A/B [15 (a/b)]....................................................................19
5.1.8.1. Dual channel mode......................................................20
5.1.8.2. Mix TOP/SUB mode....................................................20
5.1.8.3. 2-Way Active mode - Single input..........................20
5.2. Pin assignments/Pin equivalents..........................................................21
5.3. D12 I/O modes........................................................................................22
6. Installation and operation............................................23
6.1. Installation..................................................................................................23
6.2. Operation..................................................................................................24
6.2.1. Power consumption and power loss.......................................24
6.2.2. Operating conditions..................................................................25
6.2.3. Mains supply.................................................................................25
7. Technical documentation...............................................26
7.1. Technical specifications...........................................................................26
D12 Amplifier, Hardware manual (2.0E) Contents - 1

d&b audiotechnik D12 Specifications

General

Brand	d&b audiotechnik
Model	D12
Category	Amplifier
Language	English