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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: What about baffle size? posted by Duke on February 2, 2006 at 14:46:02:
Hi, Duke:Well, a friend owed me a favor and the wood has been cut for 2' wide baffles with the ribbons right down the center, flanked by 4 6.5" mid/woofs. I am thinking of borrowing a page from Dr. Geddes book and using foam wedges to either side of the ribbons to put the baffle in an acoustic shadow to minimize diffraction effects, while having the mid/woofs fire right through the foam. I think that at the <400 Hz range these operate in, the absorption of the open cell foam (~2") should be minimal. The foam I am thinking about is the type having narrow v-shaped wedges every 2 inches or so about 2" tall. My feeling is that this foam will give progressively higher absorption at higher off axis angles with the full 8" width being presented to the tweeter ribbon at 90 degrees off axis.
Not having much in the way of measuring equipment, I am forced to cut and try, but this approach seems to be a viable one. Any commments?
Thanks, Duke, and best wishes,
David
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Follow Ups
- Wood has been cut - David Yost 02/3/0605:42:25 02/3/06 (0)
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