Test fixtures

Including products for ear- and headphone testing, hearing-protector testing and telephone testing GRAS' test fixtures are top of the line solutions to fulfill your every need.

GRAS 45AA Telephone Test Head

IEC 60318 or IEC 60711 depending on configuration

GRAS 45AA Telephone Test Head

The GRAS 45AA Telephone Test Head is a tailor-made fixture for testing the acoustic performance of telephone handsets in accordance with international standards and recommendations. The design of the GRAS 45AA combines precision with a robust construction to ensure stability and reproducible te..

GRAS 45CA Headphone/Hearing-protector Test Fixture

ISO: 4869-3
IEC: 60318-1 and 60318-4
depending on configuration

GRAS 45CA Headphone/Hearing-protector Test Fixture

The GRAS 45CA is a versatile test fixture for measuring sound isolation of hearing-protectors according to ISO 4869-3 and ear- and headphones according to IEC60318-1 or 60318-4. For testing hearing-protectors according to ANSI/ASA S12.42, choose GRAS 45CB...

GRAS 45CB Acoustic Test Fixture

ANSI: S12.42

GRAS 45CB Acoustic Test Fixture

The GRAS 45CB Acoustic Test Fixture is specified and designed for measuring sound isolation of hearing-protectors and ear- and headphones according to the ANSI/ASA S12.42 standard. For testing in accordance with the ISO 4869-3 standard, choose GRAS 45CA...

GRAS 45CC Headphone Test Fixture

IEC 60318-1 ear simulators
IEC 60318-4 ear simulators
Human-llike pinna
Easy in situ calibration

GRAS 45CC Headphone Test Fixture

45CC is a a flexible and configurable platform for dual-channel testing of headphones and headsets. It has multiple configuration options: microphones, IEC 60318-1 and IEC 60318-4 ear simulators, anthropometric pinnae and optional ITU-T P.51 mouth simulator. It can be adjusted very precisely to supp..

GRAS 45EA Handset Positioning System for KEMAR

ITU-T rec.: P. 64

GRAS 45EA Handset Positioning System for KEMAR

The 45EA Handset Positioning System for KEMAR is an easy-to-use telephone measurement tool and advanced alternative to conventional telephone test fixtures. It is designed with maximum flexibility and acoustic performance in mind for laboratories and development environments that care about the acou..

GRAS 45EB Earbud Positioning System for KEMAR

ITU-T rec.: P. 64

GRAS 45EB Earbud Positioning System for KEMAR

The GRAS 45EB Ear-bud Positioning System is made for the GRAS 45BB & 45BC Head and torso simulator. The system is designed for positioning and holding ear-buds or ear-borne devices in the concha of the pinna simulator...

GRAS AL0030 Production Line Acoustic Test Chamber

Self Insertion Loss: >25 dB
CCP Microphone set

GRAS AL0030 Production Line Acoustic Test Chamber

GRAS AL0030 is an acoustical test chamber for production line testing of mobile devices such as cell phones, tablets, Bluetooth® speakers, etc...