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High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place. |
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In Reply to: RE: Altec 605b simple xover posted by RPMac on November 21, 2016 at 15:48:36:
Although flying by ear can work, the best thing to do is measure the output of the LF then add the tweeter above the rolloff point.
Rollofs will be slow in your case, so leave a gap. The gap between the LF and tweet will be filled in somewhat as the two sources add.
This addition process is probably why your low xover was screaming, peak at 3k which is a sensitive range of hearing (and the scream zone).
You can get a RTA (Real Time Analyser) app for your phone that will greatly assist in this. A mic and a laptop with free software is another avenue to empirical knowledge.
4.9k might not be a bad place to be, maybe even a touch higher. Depends on what the woofer is actually doing. Basically you want to avoid overlap at frequencies where the woofer is still going strong because the two sources will add to a deadly peak.
A minor suckout at 4-5k might not sound as bad as a wicked peak.
With a handful of caps, an L pad, and a phone app you should be able to get that setup reasonably well lined up.
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Follow Ups
- RE: Altec 605b simple xover - Joe Roberts 05:31:54 11/23/16 (2)
- RE: Altec 605b simple xover - RPMac 07:25:28 11/23/16 (1)
- RE: Altec 605b simple xover - Joe Roberts 08:30:17 11/23/16 (0)
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