QSC DPA4.2 User Manual page 15

Four-Channel Confi guration
F1: A B C D
F1: A B C D
M M
A
Connect the Loudspeakers
WARNING!: When the AC Power is on, there is a potential of having
dangerous voltage at the output terminals on the rear of the amplifi er. Use
caution to not touch these contacts. Turn off the AC Mains disconnect switch
prior to making any connections.
1. Turn the AC Mains power switch, on the back of the amplifi er, to OFF.
2. Connect the loudspeaker wiring to the 8-pin Euro-style connector. Refer to
thru Figure 23. When combining channels, QSC recommends that you connect jumpers
between the electrically same output terminals. Refer to
above the fi gure.
3. Install the Euro-style connector onto the rear of the amplifi er as shown in
4. Use a Phillips screwdriver to secure the connector.
AC Power On
After connecting the outputs to the loudspeakers, you may turn the amplifi er on.
1. Make sure the output gain settings for all audio-source devices (CD Players, Mixers,
Instruments, etc.) are at the lowest output (max attenuation).
2. Turn on all audio sources.
3. Turn the AC Mains power switch on the back of the amplifi er to ON. The amplifi er starts in the state it was in when power was removed. If the
amplifi er is in Standby or Mute All mode (Power button LED solid red or blinking), press the Power button to change the amplifi er to Run mode.
4. You can now bring up the outputs of your audio sources.
Power Distribution Charts
The following charts show the maximum power output for each channel in each confi guration, and under different loads.
Confi guration
4 CH (A B C D)
3 CH (AB C D)
3 CH (A+B C D)
2 CH (AB CD)
2 CH (AB C+D)
2 CH (A+B C+D)
2 CH Alt (ABC D)
1 CH (ABCD)
1 CH (AB+CD)
TD-000434-00-A
M C M D
B
— Figure 23 —
Figure 15
DPA 4.3 — Total Power: 2500W
8 Load
A B C D
625 625 625 625
1000 625 625
1250 625 625
1000 1000
1000 1250
1250 1250
1100 625
1100
2500
A Single
B Single
C Single
D Single
Figure 15
and the WARNING
Figure 24.
4 Load
A B C D
650 650 650 650
1200 650 650
1150 650 650
1200 1200
1200 1150
1150 1150
2000 650
2100
2370
— Table 1 —
15
— Figure 24 —
2 Load
A B C D
600 600 600 600
1200 600 600
625 600 600
1200 1200
1200 625
625 625
2500 600
2500
2230