page 5
DriveCore Install DA Series Operation Manual
Making Hardware Connections and Applying Power
Connecting Network Cables
When making connections to the control network and Dante ports, the included ferrites should be attached
to the network and Dante cables at the back of the amplifier as shown in
ferrite should be attached to each cable as shown.
WARNING:
Only connect to networks that remain inside the building.
Connecting to AC Mains
Connect the amplifier to the AC mains power source (power outlet) using the supplied AC power cord. First,
connect the IEC end of the cord to the IEC connector on the amplifier; then, plug the other end of the cord to
the AC mains.
WARNING:
The third prong of this connector (ground) is an important safety feature. Do not
attempt to disable this ground connection by using an adapter or other methods.
Make certain the AC mains voltage and current ratings are sufficient to deliver full power to all amplifiers.
DCi DA amplifiers use a universal power supply. The AC voltage requirements are ~100V to ~240V (±10%),
50/60Hz. If the AC line voltage exceeds this acceptable range, the blue
Power
LED will flash and the
amplifier will not pass audio until the line voltage returns to a safe operating level.
Startup Procedure
When first turning on the amplifier, perform the following:
1�
Turn down the level of the audio source.
2�
Turn on the amplifier's
Power
switch. The
Power
indicator should light.
3�
Turn down the amplifier
Levels
in Audio Architect. See
"Adjusting Input Levels" on page
for more information.
4�
Turn up the audio source to an optimum level. Ensure that at no point in the signal chain is the signal being clipped in any way.
5�
In Audio Architect, turn up the amplifier
Levels
to the desired level.
IMPORTANT:
Before making any wiring or installation changes, turn off the amplifier and disconnect the power cord.
For help with determining your system’s optimum gain structure (signal levels) please refer to the Crown Amplifier Application Guide, available online at
.
Precautions
Your amplifier is protected from internal and external faults, but you should still take the following precautions for optimum performance and safety:
1�
Configure the amplifier for proper operation, including input and output wiring hookup. Improper wiring can result in serious operating difficulties. For information
on wiring and configuration, please see
"Wiring Input Connectors"
"Wiring Output Connectors" on page 4
techniques, consult Crown’s Amplifier Application Guide available online at
.
2�
Use care when making connections, selecting signal sources, and controlling the output level. The load you save may be your own!
3�
Do not short the ground lead of an output cable to the input signal ground. This may form a ground loop and cause oscillations.
4�
Never connect the output to a power supply, battery, or power main� Electrical shock may result�
5�
Tampering with the circuitry or making unauthorized circuit changes may be hazardous and invalidate all agency listings.
6�
Do not operate the amplifier with the
Clip
LEDs constantly flashing.
7�
Do not overdrive the mixer, which will cause clipped signal to be sent to the amplifier. Such signals will be reproduced with extreme accuracy, and loudspeaker damage
may result.
8�
Do not operate the amplifier with less than the rated load impedance. Due to the amplifier’s output protection, such a configuration may result in premature clipping
and speaker damage.
REMEMBER:
Crown is not liable for damage that results from overdriving other system components.
ETHERNET
100Mb
ACT
DANTE
PRIMARY
SECONDARY
Figure 6:
Ferrites attached to network cables