ftpmastering
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Help with the acoustics of a headphone design
ftpmastering replied to Leonardo Drummond's topic in Do It Yourself
Two cylindrical sweeps in cad (5 min?) and "a wood thing" to for tests. This is exactly how Stax is product developing. Be sure you don't steal any tech from them by misstake! -
Your friend should look for 'Peltor Kidz'. It's the real deal, and fits from about 3 months.