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In Reply to: RE: Speakers with wave guided tweeters posted by hertz on August 25, 2010 at 06:06:19
The 4 model looks very interesting. You don't have to be a woodworker to cut and assemble it, but you do need a lot of clamps. They have a very helpful forum and owner.
"What did the Romans ever do for us?"
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Interesting that you would mention Pi and Wayne Parham. Just days ago I asked Wayne for his opinion of wave guides, and he does not like them. He claims that, for one thing, they disperse too much high frequency information toward the ceiling which causes "ceiling bounce." He prefers a 90 degree by 40 to 60 degree (depending on the woofer to which it is mated) horn over these waveguides.
90x40 or 90x60 load to a lower frequency in the horizontal than the vertical. In other words, at the crossover point if you've matched directivity of woofer and tweeter, the vertical is going to be less controlled than the horizontal. So you still get celing and floor reflections right in the crossover range.
Also, power response in both planes is only matched very well with a round, or nearly round, horn.
Bass is supposed to sound big. 6.5" is not a woofer size.
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