Selection And Crossover - zapco ST-X DSP 2021 Owner's Manual

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The next section holds the

You can select a channel to tune by clicking on the desired speaker in the car

diagram/Delay section or by clicking on its box in the DSP Channel column. You

can pick channels on at a time or you can pick them by pair. Double clicking the

dot between a pair of channels links that pair. Similarly, if one channel is already

chosen and active, then clicking on the dot will pair them.

This is important as you should always set crossovers by channel pair so the left

and right speakers will be the same. It is also easiest to do initial equalization by

channel pair.

Each channel has a High Pass (HP) and a Low Pass (LP) filter. You can control the

frequencies of the filters by highlighting the FREQ box and typing in a value or

by using the keyboard up/down arrows. You can choose the Shape of the

crossover from Butterworth, Linkwitz-Riley, or Bessel and the Slope using the

drop-down menus. The default crossovers are all 24dB/Octave Linkwitz-Riley.

The best source for information on the proper crossovers for your own speakers

is the speaker maker. He can tell you what crossover to use and also how much

power the speakers can handle at different slopes and frequencies.

Channel Selection

and Crossover.

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