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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: Won't a simple lens help merge DDS-90 to larger woofer? - xover hints. posted by freddyi on February 26, 2007 at 06:47:34:
Hi Freddyi,The high pass filter I use looks like a third order filter. Next comes a small capacitor bypassed by a resistor, to equalize for the downward-sloping response characteristic of a constant directivity horn. Then I have a fixed L-pad, to level match and smooth the impedance curve (without which the highpass filter itself wouldn't work as advertised).
I also use some additional impedance-smoothing circuits (for compatibility with very low damping factor amps) as well as some response-smoothing circuits. You have to look at the off-axis response because there are on-axis phenomena that can mislead you, but really aren't audible in practice.
Duke
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Follow Ups
- Re: Won't a simple lens help merge DDS-90 to larger woofer? - xover hints. - Duke 20:23:43 02/26/07 (3)
- Re: Won't a simple lens help merge DDS-90 to larger woofer? - xover hints. - freddyi 07:01:28 02/27/07 (2)
- Re: Won't a simple lens help merge DDS-90 to larger woofer? - xover hints. - Duke 22:10:06 02/27/07 (1)
- Re: Won't a simple lens help merge DDS-90 to larger woofer? - xover hints. - freddyi 08:09:40 02/28/07 (0)
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