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Technical and scientific discussion of amps, cables and other topics.

RE: systems that measure flat at their listening position

"The loudspeaker designer has no knowledge and no influence whatsoever about the environmental conditions in which his speakers are being used"

That is nonsense, see link.

The larger the room, the more one HAS to pay attention on where the sound goes becasue there is less and less inherent absorbtion and the reverberant field harms or worse case even prevents hearing words or information.. The reverberant field with music still sounds like music, just like with voices, it sounds like voices, but you can't understand words. The direct field is where you get the original signal and best stereo image.

While in hifi they maybe in the stone ages still on room effects, that is not the case in commercial sound.
While even a real response curve is rare in hifi, It is routine to measure commercial speaker over an entire sphere, over the whole band width and then supple the data in several standard forms which are then used to design the sound system.

What to see where the sound goes on a commercial speaker?
Down load the CLF data file for an SH-50, use the CLF viewer to open it and manipulate the radiation balloon.




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