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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: the on-axis hole posted by Jmmlc on February 1, 2007 at 04:45:37:
In my opinion you are incorrect.No mouth can be made such that there is no diffraction and as such this diffraction will meet at the axis in anti-phase at some point. This causes a hole. It is not an HOM effect and is unaffected by the foam. A larger mouth radius makes it smaler and a larger mouth makes it go lower in frequency.
I have tested this all and it is quite correct.
I have also stated numerous times that no waveguide has NO HOM, only some have a lot less. The drivers create HOM even if the waveguide does not.
Duke is dead right in what he says. He has learned his lessons well.
Earl Geddes
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Follow Ups
- IMO - EGeddes 18:41:36 02/01/07 (0)
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