Crown XLS1000 Service Manual page 78

NEW XLS series Overview
Additionally you can turn down the high pass channel by adjusting the input
Potentiometer and then you can drive the Low frequencies higher and not overwhelm the
mid's and highs. So you can have full power delivered to the woofers and 4- 6 to 12dB
less delivered to the mid's and highs. This is fully adjustable by varying the ch2 level
control.
Audio Precision
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Ch1 Low pass CH2 High pass (-)6dB at the selected frequency. adjusted ch2 pot
Here I turned ch2 Pot down a couple of clicks for –4db
XLS2500 Cross over points skipping 3 for clarity
100 200
Crossover set at 500hz and ch2 pot adjusted down a little
Crossover test.at27
500 1k 2k
Hz
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5k 10k 20k
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B