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<blockquote data-quote="dipitydoo" data-source="post: 3033891" data-attributes="member: 567383">Phase refers to the position of the sine wave relative to time.&nbsp; The point is to minimize cancellation of frequencies from two sound waves that are out of phase with each other.&nbsp; Typically, the phase controls will have minimum impact, and will mostly affect the areas of the crossover frequencies.&nbsp; Your goal is to minimize cancellation near the crossover frequency, at the transition of sound from your mids to your subwoofers.&nbsp; Set the phase control to where it sounds best.Settling on a crossover point is determined by many factors, including the speakers, box, etc.&nbsp; 80hz is a good starting point, and you can work from there.&nbsp; Again, set it where it sounds best to you.&nbsp; Too high, and it might sound boomy and bass may localize to the rear.&nbsp; Too low, and upper bass may be limited and the mids may not be able to keep up.&nbsp; For the subsonic filter, you&#039;ll want to limit uncontrolled excursion below the tuning frequency, so start there and work your way down.As for the fuse, 150 or 200 amps will be fine.&nbsp; Just make sure you have adequate size cables, probably 2 gauge.</blockquote>

[QUOTE="dipitydoo, post: 3033891, member: 567383"] Phase refers to the position of the sine wave relative to time. The point is to minimize cancellation of frequencies from two sound waves that are out of phase with each other. Typically, the phase controls will have minimum impact, and will mostly affect the areas of the crossover frequencies. Your goal is to minimize cancellation near the crossover frequency, at the transition of sound from your mids to your subwoofers. Set the phase control to where it sounds best. Settling on a crossover point is determined by many factors, including the speakers, box, etc. 80hz is a good starting point, and you can work from there. Again, set it where it sounds best to you. Too high, and it might sound boomy and bass may localize to the rear. Too low, and upper bass may be limited and the mids may not be able to keep up. For the subsonic filter, you'll want to limit uncontrolled excursion below the tuning frequency, so start there and work your way down. As for the fuse, 150 or 200 amps will be fine. Just make sure you have adequate size cables, probably 2 gauge. [/QUOTE]

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