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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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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: Double loaders... posted by Cloth Ears (Melb) on February 6, 2007 at 21:57:11:
J.He does characterize said chamber(s) as a low pass filter, so it's fair to say that they are traps for certain frequencies, like a car muffler. On my first read of the patent I missed the signifigance of the restricted hole as a tuning device, as I was mainly interested in the backchamber volume in this regard. It would be interesting to test the effectiveness of changing this. The hole in my Mellow Monster variants is lot larger, and not a restriction at all. The downside of restricting the flow would be to lower the output of the horn, perhaps more of use in a BLH with direct radiating front., and they are in fact relatively smaller in the version of this Olson pictured in Figs 5,6,7,8. I can attest that the design does work as an effective low pass filter as a whole though, my variants cross over at about 180 Hz. In any event, Olson certainly covered all of the bases.
Paul
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- Re: Double loaders... - Paul Eizik 09:10:39 02/07/07 (0)
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