I will educate you then...
Consult wikipedia about Helmholtz resonators for example and out of the mathematical relation between the mechanical different part and ratio of them point me where they speak about shiny motor engines, and shiny body work ?
I created some H.G. with empty paper toilet rolls and straws for some listening fun experiments yes... ๐๐ Science is not marketing my friend...it is brain work...nevermind the materials save his acoustic properties and use...
And sound waves dont mind that your name is on the devices or not or if the device will please your wife... Acoustic dont discuss price tags, is it clear for you now?
Acoustic is a science not a way to make money...I never discuss myself the value of your product or disparage them like you did with inuendo for my room... Why? because my agenda is to discuss with everyone here andย sell creativity and it cost nothing... You dont like that? Eat it...
I see nothing in common aside from the similarities between a 1967 Volkswagen bug, and a 2022 Ferrari F8 Tributo, both have four wheels and internal combustion.
Use a brain before making cheap car metaphor to disparage me...
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