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15 SETUP TARGET CURVES
The SDP-75 implements Target Curves as a powerful tool for achieving the required
frequency response from your system. For every speaker in the room, a target curve
can be defined in terms of:
Amplitude only / Amplitude and Phase / Amplitude and Group Delay
One or more channels can be linked in order to share the same target curve for several speakers.
15.1 OVERVIEW OF THIS PROCEDURE
In the SDP-75, setting target curves is a very straightforward procedure:
• Decide if you want to apply the same target curve to all the speakers (except subwoofers), or if you want to
apply a different target curve depending on the type of speaker.
• Link/unlink the speakers that will share the same target curve.
• Setup the target curve for each group of speakers.
• Press the Apply Change button.
15.2 SETTING UP ONE OR MORE TARGET CURVES
To edit the target curve for one or more speakers, go to the Optimizer Settings/Target Curve page in the Advanced
Settings user interface:
The most usual case is to link all the speakers except the subwoofer(s). Therefore, by default, the Link button is activated
for all the speakers except for the subwoofer(s). If this is not the case, you can press the Link all but Sub button.
Use the arrow keys of your keyboard or you mouse to edit the target curve:
• The green dots correspond to the required values for each frequency,
• The yellow line displays the expected result, taking into account the behavior of the filter.
Press the Apply Changes button. This button becomes orange as soon as you change some setting that requires a new
computation of the optimization filters.
Save as a new preset. This will allow you to compare the sound with and without the target curve.
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