Quote:
Originally posted by cranium
i would cross them over at about 150Hz. 90 is awful low
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150 hz is a way too high x-over pt. for a 6.5" midbass. Anywhere from 80-100 hz should be fine depending on individual system requirements. And running them off head unit power won't hurt them as long as you keep distortion in check.
Usually, a 150 hz x-over point would be for either a 4" or a 5.25" midrange. If your 6.5 can't handle 80-100hz, make sure the front wave and the back wave are isolated. Or make sure there are no air leaks front to back and make the mount or enclosure as airtight as possible.