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GRAS Sound & Vibration 

Headquarter | gras@grasacoustics.com
UK       | sales-uk@grasacoustics.com
USA    | sales-usa@grasacoustics.com
China | cnsales@grasacoustics.com


GRAS worldwide

R&D and QA

Standard Testing

Testing according to the standards: IEC 60268, IEC 60318-4, IEC 60318-1, and ITU-T Rec P.57.

For low-noise testing, click here. For high-frequency testing, click here. For hi-res testing, click here.

Reference Level Acoustic Test Fixtures | Universal Acoustic Test Fixtures | Ear Simulator Kits

Reference Level Acoustic Test Fixtures

KEMAR head and torso simulators are multi-configurable and ideal for testing in laboratories and R&D where accuracy and precision in realistic simulation of head and torso-related diffraction are required. They can be used to generate 3-D simulation models of HRTF.

KEMAR
2-channel Head and Torso Simulator

ANC Performance test

Intended for test that do not require mouth simulator

Headphone       Earphone       In Ear Blue

IEC 60268/60318-4 Testing with Standard Pinnae (10 kHz)

45BB-5 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. LEMO

45BB-6 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. CCP

Headphone       Earphone       In Ear Blue

IEC 60268/60318-4 Testing with Anthropometric Pinnae (10 kHz)

45BB-9 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. LEMO

45BB-10 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. CCP
 
45BC KEMAR with Mouth Simulator
2-channel Head and Torso Simulator with Mouth Simulator

With mouth simulator for testing of headsets

Intended for test that do require mouth simulator

Headphone       Earphone       Headset       In Ear Blue

IEC 60268/60318-4 Headset Test with Standard Pinnae (10 kHz)

45BC-1 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. LEMO

45BC-2 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. CCP

Headphone       Earphone       Headset       In Ear Blue

IEC 60268/60318-4 Headset Test with Anthropometric Pinnae (10 kHz)

45BC-9 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. LEMO

45BC-10 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. CCP

Universal Acoustic Test Fixtures

Table-top test fixtures are easy to use and ideal for testing on the production line when fast and repeatable mounting is an important parameter.

45CA Headphone/Hearing Protector Test Fixture
2-channel Test Fixture

Very high Self-Insertion Loss (<65 dB)

Modifiable with various ear simulators and pinnae

Perfect for ANC performance test due to the high SIL

Headphone

IEC 60318-1 Testing

45CA-3 IEC 60318-1 ear simulators, 2-Ch. LEMO

45CA-4 IEC 60318-1 ear simulators, 2-Ch. CCP

Headphone

IEC 60268/60318-4 Testing with Standard Pinnae (10 kHz)

45CA-5 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. LEMO

45CA-6 IEC 60318-4 ear simulators and standard pinnae, 2-Ch. CCP

Headphone       Earphone       In Ear Blue

IEC 60268/60318-4 Testing with Anthropometric Pinnae (10 kHz)

45CA-7 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. LEMO

45CA-8 IEC 60318-4 ear simulators and anthropometric pinnae, 2-Ch. CCP
45CC Headphone Test Fixture
Modular 2-channel Test Fixture

ANC performance test (low-level ANC)

Adjustable to suit any headphone test setup

Precise setup reproduction for use between R&D, PL and QA/QC

Headphone       Headset blue

IEC 60318-1 Testing

45CC-3 IEC 60318-1 ear simulators, 2-Ch. LEMO

43CC-4 IEC 60318-1 ear simulators, 2-Ch. CCP


Headphone       Headset blue        EarPods blue        In Ear Blue

IEC 60318-4 Testing with Pinnae

45CC-14 IEC 60318-4 ear simulators, pinnae, 2-Ch. LEMO

45CC-15 IEC 60318-4 ear simulators, pinnae, 2-Ch. CCP

Headphone       Headset blue        EarPods blue        In Ear Blue

High-Frequency Testing with IEC 60318-4 with Pinnae

45CC-16 with high-frequency IEC 60318-4 ear simulators, pinnae, 2-Ch. LEMO

45CC-17 with high-frequency IEC 60318-4 ear simulators, pinnae, 2-Ch. CCP

Ear Simulator Kits

Table-top test fixtures are easy to use and ideal for testing on the production line when fast and repeatable mounting is an important parameter.

43AG Ear and Cheek Simulator
1-channel Table-top Test Fixture

Can measure circumaural, supra-aural and in-ear headphones

Headphone       Earphone       In Ear Blue

IEC 60268/60318-4 Testing with Standard Pinna (10 kHz)

43AG-1 IEC 60318-4 ear simulator and standard pinna, LEMO

43AG-2 IEC 60318-4 ear simulator and standard pinna, CCP

Headphone       Earphone       In Ear Blue

IEC 60268/60318-4 Testing with Anthropometric Pinna (10 kHz)

43AG-3 IEC 60318-4 ear simulator and anthropometric pinna, LEMO

43AG-4 IEC 60318-4 ear simulator and anthropometric pinna, CCP
43AA Ear Simulator Kit
1-channel Table-top Test Fixture

For measurements on telephone handsets and earphones

Headphone       

IEC 60318-1/ITU-T Rec P.57

43AA IEC 60318-1 ear simulator and 1/2” microphone, LEMO

43AA-S2 IEC 60318-1 ear simulator and 1/2” microphone, CCP
43AC Ear Simulator Kit
1-channel Table-top Test Fixture

For measurements on hearing aids

EarPods blue       Earphone

IEC 60318-4 Testing

43AC IEC 60318-4 ear simulator, LEMO

43AC-S1 IEC 60318-4 ear simulator, CCP