@kenjit
Do you not find it the least bit suspicious that the materials and methods used to make high end speakers also happen to be the cheapest? Are we being duped?
High-end Magico use complex construction of machined aluminium with carbon-fibre composite. Wilson use their own proprietary high-mass composites. Audio Physic use MDF, low-mass honeycomb composite, rigid ceramic foam, elastomer and glass. And so on.
The goal is to make sure the speaker does not sing. You use whatever is most neutral.
The Olson paper measures and describes the effects of speaker and baffle shape with respect to diffraction and resulting frequency response measured in a free field room at a distance (per fig.3 in the paper) and the frequency response range is also (figs.6-17) clearly indicated. That research doesn’t deal with resonances or internal wave/reflection behaviour per se (although those effects may influence the measured results).
I provided the link to the work by Olson which someobody tried to dismiss by saying it was limited range of measurement and single point microphone which is hogwash. He then contradicted himself by citing examples of speakers that have a shape thats nearly spherical. So he cant make up his mind whether spheres are right or wrong.
That poster described those aspects of the paper accurately, agreed with you that the research was informative and she suggested more research in that area would be interesting. That isn’t in any way contradicted by citing examples of near- or semi-sphrerical speakers.
If you are determined to make everyone who responds to you wrong, there wouldn’t be any point in continuing to reply. Maybe confirm whether you want discussion or are just irrationally venting ...
