SC28 Triamp Connection Diagram for QSC’s ILA Loudspeaker System
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 3way >LF< for inside shading of low frequencies or ILA 3way <LF> for outside shading of low frequencies. •In the Array Size menu, select the number of enclosures in each array.
•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 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.
•In the Out Amp Cfg menus, select whether each amplifier is configured as Stereo or Bridge Mono.
•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.
Setup Highlights:
Set
TRIAMP.
On the SC28, select:
Array Config
ILA 3way >LF<
for inside shading of low frequency (audience
between the arrays) OR....
To House Left 
Loudspeakers
To House Right Loudspeakers
Array Config
ILA 3way <LF>
for outside shading of low frequency (audience to- ward the outside of the arrays).
Loudspeaker |
|
Cables | 1± |
Amplifier
Channels
2± |
3± |
4± |
1± |
2± |
3± |
4± |
Set Amplifier Gain Controls to Same Setting.
Set SC28 “AMP GAIN” Value to Match Amplifier Setting.
Line-Level
Audio Cables
Subwoofer | Low Frequency 2 | Low Frequency 1 | High Frequency | Subwoofer | Low Frequency 2 | Low Frequency 1 | High Frequency |
SC28
Amp Gain
-10 dB
Source Left | Source Right | |||||||||||||||||||
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| © Copyright 2007, QSC Audio Products, Inc. |
All trademarks are the property of their respective owners. | |
| QSC® is a registered trademark of QSC Audio Products, Inc. |
| “QSC” and the QSC logo are registered with the U.S. Patent and Trademark Office |
| Speakon® is a registered trademark of Neutrik® and the names of Neutrik® products referenced herein are either trademarks and/or service marks of Neutrik®. |