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
  2. Right Anthropometric Pinna for 45CA
    Anatomically shaped concha and ear canal
    Improved fit and repeatability
    Outer pinna with improved collapsability
    Resilient mounting

    G.R.A.S. KB5010 Right Anthropometric Pinna for 45CA, 35 Shore OO

    KB5010 is a right anthropometric pinna for 45CA for accurate and repeatable testing of headphones and earphones. It has anatomically correct ear-entrance and ear-canal with correct soft ear helix and provides perfect sealing and insertion accuracy for headphones and earphones. The hardness is 35 Shore OO

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  3. Left Anthropometric Pinna for 45CA
    Anatomically shaped concha and ear canal
    Improved fit and repeatability
    Outer pinna with improved collapsability
    Resilient mounting

    G.R.A.S. KB5011 Left Anthropometric Pinna for 45CA, 35 Shore OO

    KB5011 is a left anthropometric pinna for 45CA for accurate and repeatable testing of headphones and earphones. It has anatomically correct ear-entrance and ear-canal with correct soft ear helix and provides perfect sealing and insertion accuracy for headphones and earphones. The hardness is 35 Shore OO

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  4. /
    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
  5. 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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  6. 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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  7. 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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  8. 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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  9. 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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  10. 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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  11. 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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  12. 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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  13. 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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  14. 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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  15. 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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  16. 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

  17. 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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  18. 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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  19. 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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  20. 45CC Headphone Test Fixture
    Precise support for all headphone sizes
    High quality measurement microphones, 1/2" or 1/4"
    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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