OT: Interesting Crossover Article In ProSound Web

[William Bushnell]

Interesting crossover article in ProSoundWeb by Pat Brown of SynAudCon.

http://www.prosoundweb.com/article/the_visible_crossover_making_the_transitions_betwe en_multiple_systems/
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William Bushnell

[Jeff Scott]

One of the main points I take away from this is that steep Crossover slopes are bad. Unfortunately...Pat doesn't quantify what a steep slope is? Any idea what he's recommending? I currently use 24db between my Mid hi boxes and subs.

[RandyHyde]

One of the main points I take away from this is that steep Crossover slopes are bad. Unfortunately...Pat doesn't quantify what a steep slope is? Any idea what he's recommending? I currently use 24db between my Mid hi boxes and subs.

I think that "steep" starts around 48 dB/Oct.
Just my opinion.
When you get beyond that (or maybe the problem starts at 48 dB/oct, I don't recall), you start having problems with phasing in crossovers and the design has to be careful to avoid problems.
Cheers,
Randy Hyde

[tubetonez]

Steep slope is warranted for HPF on sub, IMO, to help prevent over-excursion.

[gdougherty]

Steep slope is warranted for HPF on sub, IMO, to help prevent over-excursion.

A 24db/oct is generally sufficient to help reduce over excursion. That wouldn't fall into the steep category.