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except your statement you stated as "fact" is completely incorrect and easily disproved. it bewilders me someone would even make this claim and then attempt to infer it with global authority.

competent studio designers utilize soffit-mounted loudspeakers when applicable. It solves various inherent acoustical issues. Who are you speaking for here when you state they have "not been used for a long while"?? this is certainly not a "fact". this statement doesn't make any sense at...

random blocks of foam with unpublished mechanical properties. why not source Sorbothane feet/pads of which the spring/mass system can be tailored to the exact needs/specs of the loudspeaker that needs deocupling? simply source the size and associated "duro" value that has a lbs/pad range that...

RT60 is absoltely not valid/relevant in a bounded space of that size. no statically random-incidence, reverberant sound-field develops above the ambient noise floor. performing RT60 calcs here is a case of garbage in = garbage out. if the primary requirement is speech, you'll want to isolate...

distraction and deflection from the fact that you made a fundamental and factually incorrect statement regarding LEDE and RFZ studio designs. they in no way "eliminate the indirect soundfield". only Non-Environment design accomplishes that - and even then the room itself is in no way anechoic...

Toole's book and commentary on studio designs is in effect a "Circle of Confusion" unto itself - as so many i've interacted with seem to draw their "understanding of studio design" solely from Toole's commentary alone - when Toole's book(s) are not authoritative sources on studio design. and...

a quick/dirty method to understand if any mechanical transfer of vibrations is to couple your ear to the desk/work surface and have a friend lift the speaker up to perceive any audible differences

additional losses from edge diffraction

are these claims going to be substantiated with any objectionable, measured-data?

this pair of 708p's here probably have only been power-cycled a handful over times over the past couple of years. no issues as of yet. same for 705p that is cycled daily.

i think you're confused and/or don't quite understand just what the term critical-distance (Dc) entrails/implies. what you're describing above for simple modal resonances (eg, 100hz) is their inherent localized behavior. localized as in the pressure wave has a vector/direction component...

we need measurements, ie, objective-data that show that at a mere 1m from the loudspeaker in a "normal room" that the delineation of critical-distance (Dc) exists. and thus where beyond this (ie, 2,3-4 meter from loudspeaker) the indirect sound-field completely dominates over the direct. the...

is this something you-yourself have personally measured across a myriad of ("statistical", no pun) home, residential-type rooms and subsequently presented for peer review? or how exactly are you able to qualify this statement seeing as how it is contradictory against the work of Dr. Manfred...

kindly explain how the terms used in my past reply impart the need that i require to be explained at a basic level as to what critical-distance means and entails. and precedence effect is irrelevant as to critical-distance in the context of your prior statement. the field of acoustics is not...

interesting that the mfg for a a well-measured and subjectively high-performing loudspeaker is recommending (or not explicitly disseuded from doing so) treating sidewall reflection points with broadband porous absorption.

then it should be easy to prove the claim. kindly detail how at 1 meter in a normal residential room that the indirect sound-field is equal in magnitude (Dc) to the direct signal (Ld), and thus-then moving further away from the source the indirect sound-field becomes many times greater than...

what objective data are you using to arrive at this conclusion that at 1 meter the indirect sound-field will be equal in magnitude to the direct signal? which then implies that past 1 meter from the loudspeaker in a "normal room" the indirect sound-field is higher in gain. fact is small...

one aspect commonly overlooked/not-often-referenced in these discussions is the complex aocustical impedance of the boundary and whether the boundary itself will modify the spectral content of the reflection (should it be left untreated) - and also whether the left/right sidewalls differ in...

ethan blatantly stole Peter D'Antonio's trade-marked Reflection Free Zone. not only that but he completely misses the requirements for the later-arriving sound-field - just as how his information for early reflections being not beneficial for certain aspects directly taken from the work of Don...

per toole, if the loudspeaker has poor off-axis response then the sidewall reflection should be attenuated/absorbed. if the loudspeaker has good off-axis response, then it is up to the user's tastes or subjective preferences. although if for objective accuracy, the high-gain early-reflections...