Deqx HDP-4 - Configuring an Active Speaker Without Correction

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DEQX User Manual

122

13.7 CONFIGURING AN ACTIVE SPEAKER WITHOUT CORRECTION

An active speaker can be configured without using correction filters. This is a basic form

of crossover that doesn’t take into account the measured anechoic response of the

drivers. It is useful for quick prototyping, to simulate passive crossovers, or in situations

where conditions are not conducive to accurate anechoic measurements. Its use

requires speaker drivers that are acceptably flat in their pass band and above and below

the crossover frequency (to an extent that depends on the crossover slope).

To use this mode, select “Use a crossover filter for this loudspeaker only” on the Filter

Properties dialog:

The crossover parameters appear underneath:

The parameters are the same as those described on page 119 for limit filters, but this

time they control a symmetric crossover (high pass and low pass).

If an unrealizable combination of frequency, slope, and crossover type is entered, the

fields are displayed in red and the Filter Properties dialog box cannot be closed until the

error is corrected:

The polarity of individual drivers can be inverted if necessary on the Advanced tab

(page 124).