6
INSTALLATION
Chassis Installation: The chassis front panel includes two male hinges, which must be secured to the right side-rail of the backbox (use
the screws, lock-washers, and nuts provided). Be sure to install the male hinges with the pin pointing up and towards the inside of the
backbox. The chassis front panel (with two female hinges on its right side) is then lowered onto the male hinges. This allows the chassis
to swing open for access to internal connections, modifications, and for servicing. It is recommended that all loudspeaker wiring enter the
backbox at the upper right "knock-out", and route through the cable tray. It is recommended that wiring for the microphone and line inputs
should enter the backbox at the lower right "knock-out", and route under the bottom edge of the chassis. Mounting hardware for the
security cover must be installed before proceeding (see below). Install the two speed nuts (provided with chassis) in the holes on the left
side-rail of the backbox, directly across from the hinges. Two tapping screws with washers (provided with chassis) install through the holes
in the left side of the chassis front panel (into the speed nuts) to secure the chassis to the backbox.
Security Cover Installation: Before the chassis front panel is secured to the backbox, mounting hardware for the security cover must be
installed. The security cover is attached to the chassis front panel using four stand-offs (provided with chassis). First, the stand-offs must
be secured to the chassis front panel, using four screws with lock-washers. Be sure to use the chassis front panel holes which align with
the holes in the security cover. Once the chassis is secured to the backbox, the security cover is then secured to the four stand-offs, using
the remaining four screws with lock-washers. The security cover also includes keys for the locking/hinged control access panel.
CHASSIS FRONT
S
LR LR
power
power
amplifier
87654321
channels
87654321
inputs
IWA 250 Powered Mixer
main equalizer
63 125 250 500 1k 2k 4k 8k 16k
aux
main
high
low
aux
main
high
low
aux
main
high
low
aux
main
high
low
aux
main
high
low
aux
main
high
low
aux
main
high
low
aux
min
max
min
max
-15
+15
-15
+15
min
max
min
max
-15
+15
-15
+15
min
max
min
max
-15
+15
-15
+15
min
max
min
max
-15
+15
-15
+15
min
max
min
max
-15
+15
-15
+15
min
max
min
max
-15
+15
-15
+15
min
max
min
max
-15
+15
-15
+15
min
max
min
max
min
max
min
max
min
max
min
max
-15
+15
+15
-15
+15
-15
-15
+15
line
mic
line
mic
line
mic
line
mic
line
mic
line
mic
main
high
low
gain gain gain gain gaingain
peak peak peak peak peak peak peak peak peak
temp / fault
signal / clip
active
main out
main EQ in
common
aux
main
aux
out
main
out
aux
out
override
input
main
out
OFF
HPF
OVERRIDE
ON
AUTO
MANUAL
OFF
L / R Sum
20dB Pad
ON
OFF
ON
OFF
L / R Sum
20dB Pad
ON
OFF
ON
OFF
OFF
Phantom Power
OFF
OFF
Phantom Power
OFF
OFF
Phantom Power
U
L
R
CUS
52SJ
LISTED
120V
~
60Hz
900 Watts
CAUTION
RISK OF ELECTRICAL SHOCK.
DO NOT OPEN.
SECURITY COVER
IWA 250 Powered Mixer
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