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SC28 Biamp Connection Diagram for QSC’s ILA Loudspeaker System (WL2082-i)
In the Setup Menu…
•In the Input Sens menu, set the input sensitivity to correspond with expected audio source levels.
•In the Array Config menu, select the crossover type as ILA 2way.
•In the Array Size menu, select the number of enclosures in each array.
Setup Highlights:
•In the Total Splay menu, select the total of all the splay angles between the enclosures in each array. For more info go to http://www.qscaudio.com/products/dsp/sc28/sc28_array_compensation_eq.pdf
•In the Subwoofer menu, select the appropriate QSC sub, “None” for no sub, or “Bypass/Thru” to use an external crossover and EQ for the sub.
If the system includes subwoofers…
In the SC28’s “Setup Menu”, select:
•In the Sub Management menu, configure the subwoofers as Stereo or Summed Mono.
•In the Sub Gain menu, adjust the level to compensate for the use of more or fewer subwoofers than a typical system.
•In the Sub Delay and Array Delay menus, you may add alignment delays if necessary. If the array is suspended below the subwoofer, the Sub Delay and Array Delay should be the same. If the
array is suspended in front of the subwoofer, the Array Delay should be 3.0 ms greater than the Sub Delay setting.
•In the Limiters menu, configure the output limiters to protect the loudspeakers or for clip limiting only of the SC28 output. Disabling the loudspeaker protection is not recommended.
•In the Out Amp menus, select the QSC amplifier attached to each output.
Array Config
ILA 2way
•In the Out Amp Cfg menus, select whether each amplifier is configured as Stereo or Bridge Mono.
Set WL2082-1 MODE selector
to BIAMP.
•In the Amp Gain menu, select the gain to match the gain control settings of the amplifiers connected to the outputs. All amplifiers must be set to the same value.
In the EQ Menu…
•Adjust the equalization to compensate for environmental factors.
Set WL2082-i BIAMP MODE
HORIZONTAL SHADING se-
lector for desired low fre-
quency shading. Shading
should point toward the audi-
ence.
Panel-mount Neutrik® NL8
Speakon®Connectors
To House Right
Loudspeakers
To House Left
Loudspeakers
Loudspeaker
Cables
3
4
1
3
1
4
Set Amplifier Gain Controls to Same Setting.
Amplifier
Channels
Set SC28 “AMP GAIN” Value to Match Amplifier Setting.
Amp Gain
-10 dB
Line-Level
Audio Cables
Subwoofer
Low Frequency
High Frequency
Low Frequency
Subwoofer
High Frequency
Source Left
Source Right
SC28
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