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Discussion Starter #1
What is the difference between the two? And how does one effect the other?

Justin
 

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Electrical slope is the slope of your crossover by itself. The acoustical slope is the frequency response of the speaker + the crossover.

For example if you have a speaker that naturally rolls off at 12db per octave at 3khz, and you add a 12db slope crossover at 3khz, the electrical slope would be 12db, but the acoustic response would actually be 24db.
 

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Discussion Starter #3
Thanks for the response... it makes sense. I wasn't even thinking of the drivers natural roll off. Thanks man.

Justin
 

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is comb-filtering a factor in the acoustic slope too?
 

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is comb-filtering a factor in the acoustic slope too?
No. Comb-filting causes comb like dips in the frequency response, not a rolloff.

Runnin open baffle will affect the acoustic slope. The front and rear waves cancel based on the diameter of the baffle and cause the driver to roll off earlier than if it were IB or in a box. Boxes affect acoustic slope as well. In the case of a tweeter the back cup affects acoustic rolloff (though people generally don't play with that).
 
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