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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: Picture of In-Room Frequency Response - Suggestions? posted by VFR800A on December 17, 2006 at 14:09:22:
JimAs has been pointed out, the warble tones on the Stereophile disc are usefull because they tend not to energize room nodes due to their 1/3 octave sweep compared to steady-state sine waves. To see what the room is adding in the bass and mid-bass, the Real Traps test disc is usefull (thanks Eso!) because it uses a very slow sweep from 10 to 300 Hz which does energize the room. You can download the disc from the link. Also (factoring in the corrections) you should measure the speaker very close to the direct radiator cone front (an inch or so away) to see what's actually happening in the highs, and also in the mouth of the back horn too. Using the farther away measurements for relative levels, do an overlay of these two graphs. The measurements from these tests should give you a handle on what's coming from the speaker and what the room is adding. Don't try to solve speaker issues with room solutions, and vice versa. As to "...driving myself nuts", you have to realize that horn speakers represent for the audiophile what the sweat lodge and peyote did for Native Americans. Visions should be expected, and read in the same manner as the freq. resp. graphs.
Good Luck!
Paul
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- Re: Picture of In-Room Frequency Response - Suggestions? - Paul Eizik 11:33:25 12/18/06 (0)
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