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Speaker Asylum General speaker questions for audio and home theater. |
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Speaker Asylum General speaker questions for audio and home theater. |
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In Reply to: SF Guarneri Memento's terrible measurements posted by Pinkus on May 7, 2007 at 19:18:55:
Hi Pinkus.I am pretty sure what HiFi News are measuring is an artifact of the 6 DB/Octave filter.
They have such an enormous overlap that the drivers cancel and subtract one and another over a big frequency band.
I am pretty sure that if the measurements were done at a lower height, or if the speaker had been tilted further back, they would have measured much better.
It goes for all speakers with 6 DB/Octave filters that they have big suck outs and peaks in their vertical frequency responses. Whether this is an effect or defect is open for debate. My gut feeling is that is a defect, and high slope filters should be used at least with non coaxial drivers.If the suck out seen in the HFN review is caused comb filtering like I guess it to be, then obviously the in room curve will look much nicer than one would guess from the measurements published. But it will also imply the Sonus Faber will “beat†Bose’s 901 in its ratio of direct versus reflected sound!!!! At least in the frequency range above 3000 Hz because there hardly is any direct sound from the new Guarneris.
Best wishes from Denmark.
KlausDK.
I can confirm from listening to my own 1 generation Guarneris that they sound better from a fairly low listening position.
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Follow Ups
- Re: SF Guarneri Memento's terrible measurements - klausDK 03:20:02 05/08/07 (0)
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