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BI-AMPLIFIED SYSTEM
In a bi-amplified system, array shading is accomplished by connecting separate amplifier channels to the HF
section of each VRX932LA-1/VRX928LA. In larger arrays, a single amplifier channel may be used for two
adjacent loudspeakers. Array shading is then accomplished by adjusting the gain of the HF amplifier channels.
For extremely precise control over system performance, it may also be desirable to dedicate an individual
system controller output to each HF amplifier channel.
+3 dB
0 dB
-3 dB
Audience
ARRAY CONFIGURATION SELECTOR (ACS)
Below is an example of applying the ACS in a three-speaker array. In this particular configuration, the ACS on
the top speaker is set at +3 dB, the middle speaker at 0 dB, and the bottom speaker -3 dB.
Please note that when operated in bi-amp mode, the VRX932LA-1 requires a unique DSP preset that is different
from the preset required for bi-amplified operation of the VRX932LA. When operated in bi-amp mode,
VRX932LA and VRX932LA-1 performance is fully compatible provided that the correct preset is used for
processing the respective models.
Please visit www.jblpro.com/tunings for latest versions of our recommended system tunings or call customer
service at Toll Free 1-800-852-5776.
SYSTEM PROCESSOR TUNINGS
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