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goldfish_memories t1_j21pbap wrote

For IEMs, changing the insertion depth changes not only the resonance peak but also the treble frequencies by 3-5db. That's why the Z1R treble is so divisive. I believe crinacle or some other reviewers have the measurements for that.

For over ears, anecdotally my left and right ear HRTF is different enough I can hear the difference between them when doing frequency sweeps.

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