= KEMAR manufacturer documentation
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Manufacturer technical source: https://www.grasacoustics.com/products/head-torso-simulators-kemar
Product-family introduction and GRAS45BB-9/45BB-10 descriptions: anthropometric pinna, ear-canal extension, ear simulators and applications in ear/headphone testing. Supporting instruction manual https://www.grasacoustics.com/fileadmin-gras/Products/Files/man_45BB_45BC.pdf . Corporate source GRAS Sound & Vibration; current configuration documentation, not evidence that every listed modern component was present in the1975 manikin. Avoid treating manufacturer claims of an average human as exact equality for every listener.
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