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Crown CT 8150 User Manual

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Operation Manual
CT Power Amplifiers
page 8
4.6  Wire Your System
Before you wire your system, you must be familiar with 
the capabilities of the input routing.
The DriveCore amplifier can be configured in two ways:
1. The input for a channel goes out the same channel.  
This option is the standard configuration.
4 Setup
                                                                                                               
2. The input for a channel can be routed to the next 
channel, overriding the wired input signal for that 
channel.  This method simplifies input wiring and 
minimizes use of y-cables.  
Input routing is configured using the dip switches on the 
back of the amplifier.  See Section 11 Input Routing 
for information on configuring switches.
Note: ComTech DriveCore amplifiers can NOT be 
bridged.
4.7 Connect to AC Mains 
Connect your amplifier to the AC mains power source 
(power outlet) with the supplied AC power cordset.  First, 
connect the IEC end of the cordset to the IEC connector 
on the amplifier; then, plug the other end of the cord set 
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.
Amplifiers don’t create energy. The AC mains voltage and 
current must be sufficient to deliver the power you 
expect. If the AC line voltage varies out of an acceptable 
range, the amplifier’s power supply turns off and the blue 
Power LED flashes. The amplifier will turn back on when 
the AC line voltage returns to safe operating levels.
Figure 4.7.1 provides voltage limits for all amplifier AC 
voltage configurations. Also, the amplifier must be run 
within the specified mains frequency requirements 
(indicated on the amplifier’s back panel label). If you are 
unsure of the output voltage of your AC mains, please 
consult your electrician.
Model
Under-Voltage Limit
Over-Voltage Limit
All Models
90 VAC
264 VAC
Figure 4.6.1 Four channels with no input routing
Figure 4.6.2 Eight channels with no input routing
Figure 4.6.3 Two channel to four channel routing
Figure 4.6.4 One channel to four channel routing
Figure 4.6.5 Four channel to eight channel routing
Figure 4.7.1 AC Under-Voltage and Over-Voltage Limits for  
 
Various Amplifier Models
C
HANNEL
 1
C
HANNEL
 4
C
HANNEL
 3
C
HANNEL
 2
C
HANNEL
 1
C
HANNEL
 4
C
HANNEL
 3
C
HANNEL
 2
D
RIVE
C
ORE
 A
MPLIFIER
C
HANNEL
 1
C
HANNEL
 4
C
HANNEL
 3
C
HANNEL
 2
C
HANNEL
 1
C
HANNEL
 4
C
HANNEL
 3
C
HANNEL
 2
D
RIVE
C
ORE
 A
MPLIFIER
C
HANNEL
 5
C
HANNEL
 8
C
HANNEL
 7
C
HANNEL
 6
C
HANNEL
 5
C
HANNEL
 8
C
HANNEL
 7
C
HANNEL
 6
C
HANNEL
 1
C
HANNEL
 4
C
HANNEL
 3
C
HANNEL
 2
C
HANNEL
 1
C
HANNEL
 4
C
HANNEL
 3
C
HANNEL
 2
D
RIVE
C
ORE
 A
MPLIFIER
C
HANNEL
 1
C
HANNEL
 4
C
HANNEL
 3
C
HANNEL
 2
C
HANNEL
 1
C
HANNEL
 4
C
HANNEL
 3
C
HANNEL
 2
D
RIVE
C
ORE
 A
MPLIFIER
C
HANNEL
 1
C
HANNEL
 4
C
HANNEL
 3
C
HANNEL
 2
C
HANNEL
 1
C
HANNEL
 4
C
HANNEL
 3
C
HANNEL
 2
D
RIVE
C
ORE
 A
MPLIFIER
C
HANNEL
 5
C
HANNEL
 8
C
HANNEL
 7
C
HANNEL
 6
C
HANNEL
 5
C
HANNEL
 8
C
HANNEL
 7
C
HANNEL
 6