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In Reply to: RE: Transient Perfect 3-way 20- 27-Khz ~96db/watt posted by Scooter on September 12, 2009 at 12:13:19
active, passive? slopes? How do you effect delay to match "acoustic centers" (for lack of a better description of delays)? I've done one passive transient perfect 3-way design; yes, piano sounds very good on it but every time I try to find a way to do a TP crossover for my Klipsch Forte's I run out of good ideas for dealing with the alignment of the acoustic centers unless I go to tri-amping and active crossover. Not thrilled by that approach.
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All of my music and video is digital and lives on my computer. I've adapted BruteFIR, digital delay, and a few other DSP tools into a 3-way tri-amped Xover. I use 96db acoustic slope on woofer-mid and 24db acoustic slope on mid-tweet. I like steep slopes on bass-mid, but it is easy to hear phase flip with steep analog Xover like LR8. I recorded a pick'ed bass guitar and could easily hear the analog phase artifacts, but the digital was coherent. My woofers and midrange are from Lambda so the paper cones have very similar timbre, otherwise a steep slope cone change over is audible to me.
I like the organic sound of ported bass, but an equalized sealed box woofer would likely be best for perfect piano.
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