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Virtual SMAART training: Tell the crossover frequency and type
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<blockquote data-quote="Jay Barracato" data-source="post: 39218" data-attributes="member: 24"><p>Re: Virtual SMAART training: Tell the crossover frequency and type</p><p></p><p>I think I may be totally in the SWAG guessing game, but I am not really sure if the logic is reversible:</p><p></p><p>i.e. if A (an electronic crossover) creates B (an acoustic crossover), then by looking at B (an acoustic crossover) you should be able to determine A (an electronic crossover)</p><p></p><p>however:</p><p></p><p>1. either 90 degrees or 270 degrees of phase shift make me think odd order. I think I am more comfortable with 3rd order (18 db per octave) than 1st order.</p><p></p><p>2. The roughly-3 to -5 dip at the crossover in frequency makes me think gentle shoulders, i.e. Bessel filter</p><p></p><p>So my SWAG is 3rd order Bessel at 2000hz.</p><p></p><p>edit- and for the record, I don't think I have ever designed a crossover totally on my own, although I have tweaked factory recommendations.</p></blockquote><p></p>
[QUOTE="Jay Barracato, post: 39218, member: 24"] Re: Virtual SMAART training: Tell the crossover frequency and type I think I may be totally in the SWAG guessing game, but I am not really sure if the logic is reversible: i.e. if A (an electronic crossover) creates B (an acoustic crossover), then by looking at B (an acoustic crossover) you should be able to determine A (an electronic crossover) however: 1. either 90 degrees or 270 degrees of phase shift make me think odd order. I think I am more comfortable with 3rd order (18 db per octave) than 1st order. 2. The roughly-3 to -5 dip at the crossover in frequency makes me think gentle shoulders, i.e. Bessel filter So my SWAG is 3rd order Bessel at 2000hz. edit- and for the record, I don't think I have ever designed a crossover totally on my own, although I have tweaked factory recommendations. [/QUOTE]
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