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In Reply to: terminology posted by pictureguy on March 25, 2014 at 18:42:53:
The Electrical crossover(knee, half power point) along with the slope and their alignment (how the HP/LP filters interact) are (somewhat) easily addressed in theory and practice. In a passive crossover the components calculations are made a little more difficult because of the driver electrical characteristics. An active or passive line level crossover can be easier to implement. The acoustical crossover is a whole different thing and perhaps more important. No loudspeaker has a flat response - on or off axis. and the spacing between the drivers effects the acoustic crossover point. I prefer to do all my development with an active (DSP) crossover - which allows me the flexibility to assess on-axis and power response effects of a crossover design - this often results in asymmetrical electrical crossovers. A classic example is when you are using a two way system with no low pass filter - only a capacitor for the tweeter.
"The hardest thing of all is to find a black cat in a dark room, especially if there is no cat" - Confucius
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Follow Ups
- Electrical vs. Acoustic crossover - BigguyinATL 07:56:54 03/26/14 (2)
- RE: Electrical vs. Acoustic crossover - pictureguy 12:59:37 03/27/14 (1)
- I apologize, I don't know how much everybody already know about this - Mart 03:02:56 03/29/14 (0)
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