User manual

(4.0 E) Contents

Contents

Safety precautions

1. Introduction................................................... 1-1

1.1. System concept.........................................................................1-1

1.2. d&b active systems design......................................................1-2

1.3. Block diagram ..........................................................................1-2

2. A1 mainframe ............................................... 2-1

2.1. Features.....................................................................................2-1

2.1.1. A1 power amplifiers ................................................................ 2-1

2.1.2. SenseDrive ................................................................................2-1

2.1.3. SpeakerID ................................................................................. 2-2

2.1.4. Fan ............................................................................................. 2-2

2.1.5. Mains overvoltage protection................................................ 2-3

2.1.6. Mains inrush current limiter....................................................2-3

2.1.7. Fuses ..........................................................................................2-3

2.1.8. Remote control & monitoring ................................................ 2-3

2.2. A1 controls & indicators..........................................................2-5

2.3. Connections .............................................................................. 2-6

2.4. Mainframe installation ............................................................ 2-7

2.5. Power consumption and power loss...................................... 2-8

2.6. Technical specifications ...........................................................2-9

3. Controller modules........................................ 3-1

3.1. Features.....................................................................................3-1

3.2. Controls & indicators............................................................... 3-2

3.3. Module exchange and replacement......................................3-3

4. Loudspeaker systems .................................... 4-1

4.1. Connections .............................................................................. 4-2

4.2. Data sheets for the loudspeakers .......................................... 4-3

F1220

F1222

M1220

B1-SUB

B2-SUB

5. System operation .......................................... 5-1

5.1. Setting up/stacking the loudspeakers ................................... 5-1

5.1.1. Vertical coverage ....................................................................5-1

5.1.2. Arraying mid/high cabinets ................................................... 5-1

5.1.3. Stacking subwoofers................................................................5-2

5.2. Wiring .......................................................................................5-3

5.3. Level setting for mixed systems..............................................5-4

6. Troubleshooting ............................................ 6-1

7. Publications list.............................................. 7-1

8. EU declaration of conformity (CE symbol) ..... 8-1