11
CARDIOID
PA1 and PA2 CH1 XLR-1/4” Combo inputs mixed to individual Subs
CARDIOID
• Cardioid mode helps subwoofer performance
become more directional and easier to
control. Users can experience +3-5db of low
frequency extension on audience side and up
to -10-17db of reduction on rear/stage side.
• To use cardioid mode with 2 units of
PRX915XLF/PRX815XLF Series Subwoofers,
place them next to each other or stacked.
• Adjust the audience firing subwoofer’s
preset as following for:
PRX915XLF:- 80Hz
PRX815XLF:- 100Hz
• Adjust the rear-firing subwoofer’s preset to
CARDIOID
• Run BOTH Full range PRX900 series speakers
from the pass through to the CH1 and
CH2 on the audience firing PRX900 Series
Subwoofers.
• Run THRU each channel of the front firing sub
into each channel of the rear-firing sub.
• Adjust volume accordingly.
MICROPHONE
(presenter or speaker) Subwoofer positioning distance
Microphone (speaker/presenter)
stands before subwoofer.
To prevent any unnecessary feedback, please:
Position Microphone at least 2m (6ft) from a speaker
Do not stand directly in front of a speaker
Audience Facing Sub Rear Facing Sub
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