1. 43BB Low-noise Ear Simulator System
    Volume: 1260 mm³ @ 500 Hz
    Dyn range: 10.5 dB(A) to 113 dB
    Based on IEC 60318-4

    G.R.A.S. 43BB Low-noise Ear Simulator System

    The 43BB Low-noise Ear Simulator System is for acoustic low noise measurements on insert headphones, especially headphones with active noise cancellation. It is based on the IEC 60318-4 ear simulator standard. Learn More
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    Volume: 1260 mm³ @ 500 Hz
    Dyn range: 10.5 dB(A) to 113 dB
    Based on IEC 60318-4

    G.R.A.S. 43BB-1 Low-noise Ear Simulator System

    The 43BB-1 Low-noise Ear Simulator System is for acoustic low noise measurements on insert headphones, especially headphones with active noise cancellation. It is based on the IEC 60318-4 ear simulator standard. Learn More
  3. 43AG Ear & Cheek Simulator
    Dyn range:
    25 dB(A) to 164 dB or
    10.5 dB(A) to 113 dB (low-noise version)
    ANSI: S3.7
    IEC: 60318-4

    G.R.A.S. 43AG Ear & Cheek Simulator

    The G.R.A.S. 43AG Ear and Cheek Simulator represents the section of a head important for realistic reproduction of the acoustic properties of the ear of an average human head. It allows the use of an ITU-T type 3.3 pinna or an Anthropometric Pinna, either with an IEC 60318-4 Ear Simulator or a Low-noise Ear Simulator system.

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  4. 45BB-5 For Ear- and Headphone Test, 2-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 2
    ANSI: S3.36, S3.25
    IEC: 60318-4
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58

    G.R.A.S. 45BB-5 Head & Torso for Ear- and Headphone Test, 2-Ch LEMO

    The 45BB-5 KEMAR Head & Torso for ear- and headphone test, 2-Ch LEMO is an acoustic research tool with built-in ear simulators that simulates the changes that occur to soundwaves as they pass a human head and torso. KEMAR fitted with pinna simulator, ear canal extension, and IEC 60318-4 Ear Simulator resembles the acoustic impedance of the human ear. Its corresponding CCP equivalent is G.R.A.S. 45BB-6 KEMAR Head & Torso for Ear- and Headphone Test, 2-Ch CCP.

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  5. 45BB-6 For Ear- and Headphone Test, 2-Ch CCP
    Connection: Constant Current Power (0 V/CCP)
    Channel(s): 2
    ANSI: S3.36, S3.25
    IEC: 60318-4
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58

    G.R.A.S. 45BB-6 Head & Torso for Ear- and Headphone Test, 2-Ch CCP

    The 45BB-6 KEMAR Head & Torso for ear- and headphone test, 2-Ch CCP is an acoustic research tool with built-in ear simulators that simulates the changes that occur to soundwaves as they pass a human head and torso. KEMAR fitted with pinna simulator, ear canal extension, and IEC 60318-4 Ear Simulator resembles the acoustic impedance of the human ear. Its corresponding LEMO equivalent is G.R.A.S. 45BB-5 KEMAR Head & Torso for Ear- and Headphone Test, 2-Ch LEMO.

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  6. 45BC-1 With Mouth Sim for Headset Test, 2-Ch LEMO
    Connection: 200 V/LEMO
    Channel(s): 2
    ANSI: S3.36, S3.25
    IEC: 60318-4
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58
    Special feature: Built-in power amplifier for mouth simulator

    G.R.A.S. 45BC-1 KEMAR Head & Torso with Mouth Simulator for Headset Test, 2-Ch LEMO

    The 45BC-1 Head & Torso with Mouth Simulator for Headset Test, 2-Ch LEMO is configured with pinnae and with IEC 60318-4 Ear Simulator and ear canal extension in both ears. Due to its design, realistic measurement in a sound environment as experienced by a human being using a headset is possible. In addition, the 45BC-1 is provided with a mouth simulator for testing of the microphone in the headset. Its CCP equivalent is G.R.A.S. 45BC-2 KEMAR Head & Torso with Mouth Simulator for Headset Test, 2-Ch CCP.

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  7. 45BC-2 With Mouth Sim for Headset Test, 2-Ch CCP
    Connection: CCP
    Channel(s): 2
    ANSI: S3.36, S3.25
    IEC: 60318-4
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58
    Special feature: Built-in power amplifier for mouth simulator

    G.R.A.S. 45BC-2 KEMAR Head & Torso with Mouth Simulator for Headset Test, 2-Ch CCP

    The 45BC-2 Head & Torso with Mouth Simulator for Headset Test, 2-Ch CCP is configured with pinnae and with IEC 60318-4 Ear Simulator and ear canal extension in both ears. Due to the design of KEMAR, realistic measurement in a sound environment as experienced by a human being using a headset is possible. In addition, the 45BC-2 is provided with a mouth simulator for testing of the microphone in the headset. Its LEMO equivalent is G.R.A.S. 45BC-1 KEMAR Head & Torso with Mouth Simulator for Headset Test, 2-Ch LEMO.

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  8. 45BC-3 With Mouth Sim for Telephone Test, 1-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 1
    ANSI: S3.36, S3.25
    IEC: 60318-4
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58
    Special feature: Built-in power amplifier for mouth simulator

    G.R.A.S. 45BC-3 KEMAR Head & Torso with Mouth Simulator for Telephone Test, 1-Ch LEMO

    The 45BC-3 KEMAR Head & Torso with Mouth Simulator for Telephone Test, 1-Ch LEMO is configured with pinnae and with IEC 60318-4 Ear Simulator and ear canal extension in the right ear. Due to the design of KEMAR, realistic measurement in a sound environment as experienced by a human being using a hearing aid is possible. In addition, the 45BC-3 is provided with a mouth simulator for testing of the microphone in the telephone. The 45EA handset positioning system is included. Its CCP equivalent is G.R.A.S. 45BC-4 KEMAR Head & Torso with Mouth Simulator for Telephone Test, 1-Ch CCP.

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  9. 45BC-4 With Mouth Sim for Telephone Test, 1-Ch CCP
    Connection: Constant Current Power (0 V/CCP)
    Channel(s): 1
    ANSI standards: S3.36, S3.25
    IEC standards:60318-4 (formerly 60711), 60318-7 (formerly 60959)
    Special feature: Telephone test

    G.R.A.S. 45BC-4 KEMAR Head & Torso with Mouth Simulator for Telephone Test, 1-Ch CCP

    The 45BC-4 KEMAR Head & Torso with Mouth Simulator for Telephone Test, 1-Ch CCP is configured with pinnae and with IEC 60318-4 Ear Simulator and ear canal extension in the right ear. Due to the design of KEMAR, realistic measurement in a sound environment as experienced by a human being using a hearing aid is possible. In addition, the 45BC-3 is provided with a mouth simulator for testing of the microphone in the telephone. The 45EA handset positioning system is included. Its CCP equivalent is G.R.A.S. 45BC-3 KEMAR Head & Torso with Mouth Simulator for Telephone Test, 1-Ch LEMO.

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  10. 45BB-9 KEMAR with Anthropometric Pinnae for Ear- and Headphone Test, 2-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 2
    ANSI: S3.36, S3.25
    IEC: 60318-4
    ITU-T Rec. P.57 Type 3.3, based on ITU-T Rec. P.58

    G.R.A.S. 45BB-9 KEMAR with Anthropometric Pinnae for Ear- and Headphone Test, 2-Ch LEMO

    The 45BB-9 KEMAR is a manikin configured with externally polarized ear simulators and anthropometric pinnae for dual-channel ear- and headphone test. Its corresponding CCP equivalent is the G.R.A.S. 45BB-10 KEMAR with Anthropometric Pinnae for Ear- and Headphone Test, 2-Ch CCP.

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  11. 45BB-10 KEMAR with Anthrometric Pinna for Ear- and Headphone Test, 2-Ch CCP
    Connection: Constant Current Power (0 V/CCP)
    Channel(s): 2
    ANSI: S3.36, S3.25
    IEC: 60318-4
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58

    G.R.A.S. 45BB-10 KEMAR with Anthropometric Pinna for Ear- and Headphone Test, 2-Ch CCP

    The 45BB-10 KEMAR is a manikin configured with pre-polarized ear simulators and anthropometric pinnae for dual-channel ear- and headphone test. Its corresponding LEMO equivalent is the G.R.A.S. 45BB-9 KEMAR with Anthropometric Pinna for Ear- and Headphone Test, 2-Ch LEMO.

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  12. 45BB-11 KEMAR with Anthropometric Pinna for Low-noise Ear- and Headphone Test, 1-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 1
    ANSI: S3.36
    Based on IEC 60318-7
    Based on ITU-T Rec. P.58

    G.R.A.S. 45BB-11 KEMAR with Anthropometric Pinna for Low-noise Ear- and Headphone Test, 1-Ch LEMO

    The 45BB-11 KEMAR is an acoustic research tool with a built-in low-noise ear simulator for testing of ear and headphones and in-ear ear protectors with or without active noise cancellation. Its corresponding two-channel equivalent is G.R.A.S. 45BB-12 KEMAR with Anthropometric Pinnae for Ear- and Headphone Test, 2-Ch LEMO.

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  13. 45BB-12 KEMAR with Anthropometric Pinna for Low-noise Ear- and Headphone Test, 2-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 2
    ANSI: S3.36
    Based on IEC 60318-7
    Based on ITU-T Rec. P.58

    G.R.A.S. 45BB-12 KEMAR with Anthropometric Pinna for Low-noise Ear- and Headphone Test, 2-Ch LEMO

    The 45BB-12 KEMAR is an acoustic research tool with a built-in low-noise ear simulator for testing of ear and headphones and in-ear ear protectors with or without active noise cancellation. Its corresponding single-channel equivalent is G.R.A.S. 45BB-11 KEMAR with Anthropometric Pinnae for Ear- and Headphone Test, 1-Ch LEMO.

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  14. 45BC-9 With Mouth Sim & Anthropometric Pinnae for Headset Test, 2-Ch LEMO
    Connection: 200 V/LEMO
    Channel(s): 2
    Standards:
    ANSI: S3.36, S3.25
    IEC: 60318-4, based on 60318-7
    Based on ITU-T Rec. P.57 Type 3.3 and ITU-T Rec. P.58
    Special feature: Built-in power amplifier for mouth simulator

    G.R.A.S. 45BC-9 KEMAR with Mouth Simulator and Anthropometric Pinnae for Headset Test, 2-Ch LEMO

    The 45BC-9 KEMAR is configured with anthropometric pinnae and externally polarized IEC 60318-4 Ear Simulators. Due to its design, realistic measurements in a sound environment as experienced by a human being using a headset is possible. In addition, the 45BC-9 is provided with a mouth simulator for testing of the microphone in the headset. Its CCP equivalent is G.R.A.S. 45BC-10 KEMAR with Mouth Simulator and Anthropometric Pinnae for Headset Test, 2-Ch CCP. Learn More

  15. 45BC-10 KEMAR with Mouth Sim and Anthropometric Pinnae for Headset Test, 2-Ch CCP
    Connection: CCP
    Channel(s): 2
    Standards:
    ANSI: S3.36, S3.25
    IEC: 60318-4, based on 60318-7
    Based on ITU-T Rec. P.57 Type 3.3 and ITU-T Rec. P.58
    Special feature: Built-in power amplifier for mouth simulator

    G.R.A.S. 45BC-10 KEMAR with Mouth Simulator and Anthropometric Pinnae for Headset Test, 2-Ch CCP

    The 45BC-10 KEMAR is configured with anthropometric pinnae and prepolarized IEC 60318-4 Ear Simulators. Due to its design, realistic measurement in a sound environment as experienced by a human being using a headset is possible. In addition, the 45BC-10 is provided with a mouth simulator for testing of the microphone in the headset. Its LEMO equivalent is G.R.A.S. 45BC-9 KEMAR with Mouth Simulator and Anthropometric Pinna for Headset test, 2-Ch LEMO.

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  16. 45BC-11 KEMAR with Mouth Sim and Anthropometric Pinnae for Low-noise Headset Test, 1-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 1
    Standards:
    ANSI: S3.36
    Based on IEC 60318-4 and 60318-7
    Based on ITU-T Rec. P.57 Type 3.3 and ITU-T Rec. P.58
    Special feature: Built-in power amplifier for mouth simulator


    G.R.A.S. 45BC-11 KEMAR with Mouth Simulator and Anthropometric Pinnae for Low-noise Headset Test, 1-Ch LEMO

    The 45BC-11 KEMAR is configured with anthropometric pinnae and a low-noise ear simulator system for testing of headsets with or without active noise cancellation. Due to its design, realistic measurements in a sound environment as experienced by a human being using a headset is possible. In addition, it is provided with a mouth simulator for testing of the microphone in the headset. Its corresponding two-channel equivalent is G.R.A.S. 45BC-12 KEMAR with Mouth Simulator and Anthropometric Pinnae for Low-noise Headset Test, 2-Ch LEMO.

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  17. 45BC-12 KEMAR with Mouth Sim and Anthropometric Pinnae for Low-noise Headset Test, 2-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 2
    Standards:
    ANSI: S3.36
    Based on IEC 60318-4 and 60318-7
    Based on ITU-T Rec. P.57 Type 3.3 and ITU-T Rec. P.58
    Special feature: Built-in power amplifier for mouth simulator

    G.R.A.S. 45BC-12 KEMAR with Mouth Simulator and Anthropometric Pinnae for Low-noise Headset Test, 2-Ch LEMO

    The 45BC-12 KEMAR is configured with anthropometric pinnae and low-noise ear simulators for binaural testing of headsets with or without active noise cancellation. Due to its design, realistic measurements in a sound environment as experienced by a human being using a headset is possible. In addition, it is provided with a mouth simulator for testing of the microphone in the headset. Its corresponding one-channel equivalent is G.R.A.S. 45BC-11 KEMAR with Mouth Simulator and Anthropometric Pinnae for Low-noise Headset Test, 1-Ch LEMO.

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  18. 45CC Headphone Test Fixture
    Precise support for all headphone sizes
    High quality measurement microphones
    IEC 60318-1 ear simulators
    ITU-T Rec. P51 mouth simulator
    Easy in-situ calibration

    G.R.A.S. 45CC Headphone Test Fixture

    The 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 ear simulators and mouth simulator. It can be adjusted very precisely to support different headphone/headset designs and sizes, and therefore it is in a league of its own with respect to accuracy and repeatability. It is equally well suited for QC and PL testing.

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  19. 45CA Headphone/Hearing-protector Test Fixture
    ISO: 4869-3
    IEC: 60318-1 and 60318-4 depending on configuration

    G.R.A.S. 45CA Headphone/Hearing-protector Test Fixture

    The G.R.A.S. 45CA Hearing-protector Test Fixture 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 G.R.A.S. 45CB.

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  20. RA0056 LL Pinna Sim ITU-T P57 Type 3.2
    Volume: Complex

    G.R.A.S. RA0056 Low-leak Pinna Simulator according to ITU-T Rec. P57 Type 3.2

    The G.R.A.S. RA0056 Low-leak Pinna Simulator is an outer ear simulator intended to be used with the Ear Simulator RA0045 to simulate a complete ear for testing telephones and loudspeakers

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