I gave a presentation at CanJam that went over this as well. Headphone measurements vary quite a lot by fixture type.
Sean Olive@seanolive
In my HBK talk yesterday, I addressed if u can use different test fixtures to design headphones to the HAR Target. Here is e.g. why you cannot. The same model HP measured by two reviewers using GRASCA-10 vs B&K 5128. When referenced to HAR Target u see huge differences. 1/2
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