DJB

G.R.A.S. Sound & Vibration - Simulators and Ears

couplers

artifical ears

Note:  many of the artifical ears above come in pre-polarised versions as well as other variants for specific applications

mouth and pinna simulators

KEMAR head and torso simulator

Type 45EB - earbud positioning system for KEMAR Type 45BC

Make very realistic in-situ measurements - adjustable for pressure and force, reproducible measurements

 ITU-T rec.: P. 64

ANSI/ASA S12.42 test fixture

other simulators/fixtures

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