Head & Torso simulators

Head & Torso simulators

Audio design is becoming a vital part of the development of a lot of daily products like automobiles, computers, hearing aids, mobile phones etc. Either to improve on its basic function, or to optimize the clients experience  with the product.

KEMAR was initially invented in collaboration with the audiological industry for the use of hearing aid development, and is still the defacto standard for this industry – however since then the usage of KEMAR has spread into a multitude of other industries like: telecommunications, hearing protection test, automotive development etc.

The major difference between KEMAR and the standard head and torso simulators (HATS) on the market, is that KEMAR is build on a large statistical research of the average human body – meaning the KEMAR HATS has the same acoustical properties as an average human, including distinct facial features.

Through the years G.R.A.S. has developed a range of accessories and special versions of KEMAR – allowing you to design a test setup that can allow you to research in your specific industry, whether this is for development of the next generation mobil phones or the next super car.

KEMAR naturally meets the international standards that are specified by ISO, IEC as well as ANSI. 

The KEMAR manikin is the recognised industry-standard for in-situ anthropomorphic testing in the fields of:

  • Telecommunications
  • Hearing conservation
  • Noise abatement
  • Sound recording and sound-quality evaluation.

KEMAR Variants - Brief Overview

KEMAR has many configuration possibilities. To simplify ordering, we therefore offer a number of preconfigured KEMAR (45BB-X Without Simulator, 45BC-X With Mouth Simulator) for certain purposes. All factory configured KEMAR are avilable both  in CCP (X = 1, 3, 5, 7) and LEMO (X = 2, 4, 6, 8) versions.

In addition, non-configured KEMAR (45BB, 45BC) are available. These are intended for customers who have the earlier KEMAR (45BA, 45BM) and wish to reuse configuration parts from these (100% compatibility).

With optional accessories (configuration parts) it is easy to change configuration.

Read the full story on kemar.us

  1. For Hearing Aid Test, 1-Ch LEMO
    Connection:Traditional Power Supply (200 V/LEMO)
    Channel(s): 1
    ANSI: S3.36, S3.25
    IEC: 60318-7, 60318-4
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58

    G.R.A.S. 45BB-1 KEMAR Head & Torso for Hearing Aid Test, 1-Ch LEMO

    The 45BB-1 Head & Torso for Hearing Aid test is configured with pinnae and with IEC 60318-4 Ear Simulator and ear canal extension in the right ear for testing of hearing aid. Due to the design of KEMAR, realistic measurement in a sound environment as experienced by a human being using a hearing aid is possible. Its CCP equivalent is G.R.A.S. 45BB-2 KEMAR Head & Torso for Hearing Aid test, 1-Ch CCP.

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  2. For Hearing Aid Test, 1-Ch CCP
    Connection: 0 V/CCP
    ANSI: S3.36, S3.25
    IEC: 60318-7, 60318-4
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58

    G.R.A.S. 45BB-2 KEMAR Head & Torso for Hearing Aid Test, 1-Ch CCP

    The 45BB-2 Head & Torso for Hearing Aid test is configured with pinnae and with IEC 60318-4 Ear Simulator and ear canal extension in the right ear for testing of hearing aid. Due to the design of KEMAR, realistic measurement in a sound environment as experienced by a human being using a hearing aid is possible. Its LEMO equivalent is G.R.A.S. 45BB-1 KEMAR Head & Torso for Hearing Aid test, 1-Ch LEMO.

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  3. For Test of Binaural Hearing Aid, 2-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 2
    ANSI: S3.36, S3.25
    IEC: 60318-7, 60318-4
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58

    G.R.A.S. 45BB-7 Head & Torso for Test of Binaural Hearing Aid, 2-Ch LEMO

    The 45BB-7 KEMAR Head and Torso for test of binaural HA, 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. This KEMAR configuration is suitable for hearing aids using RF communication by using non-metal (POM) ear canal extensions and ear holder plates.Its corresponding CCP equivalent is 45BB-8.

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  4. For Test of Binaural Hearing Aid, 2-Ch CCP
    Connection: Constant Current Power (0 V/CCP)
    Channel(s): 2
    ANSI: S3.36, S3.25
    IEC: 60318-7, 60318-4
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58

    G.R.A.S. 45BB-8 Head & Torso for Test of Binaural Hearing Aid, 2-Ch CCP

    The 45BB-8 KEMAR Head and Torso for test of binaural HA, 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. This KEMAR configuration is suitable for hearing aids using RF communication by using non-metal (POM) ear canal extensions and ear holder plates.Its corresponding LEMO equivalent is 45BB-7.

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  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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  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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  7. For Sound Quality Recording, 2-Ch CCP
    Connection: Constant Current Power (0 V/CCP)
    Channel(s): 2
    ANSI: S3.36
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58

    G.R.A.S. 45BB-4 KEMAR Head & Torso for Sound Quality Recording, 2-Ch CCP

    The 45BB-4 KEMAR Head and Torso for Sound Quality Recording is an acoustic research tool with built-in 1/2" microphones for realistic sound quality testing and recordings. It is easy ro replace the 1/2" microphones with 1/4" microphones if preferred. Its LEMO equivalent is 45BB-3.

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  8. For Sound Quality Recording, 2-Ch LEMO
    Connection: Traditional Power Supply (200 V/LEMO)
    Channel(s): 2
    ANSI: S3.36
    ITU-T Rec. P.57 Type 3.3 based on ITU-T Rec. P.58

    G.R.A.S. 45BB-3 KEMAR Head & Torso for sound quality recording, 2-Ch LEMO

    The 45BB-3 KEMAR Head and Torso for Sound Quality Recording is an acoustic research tool with built-in 1/2" microphones for realistic sound quality testing and recordings. It is easy ro replace the 1/2" microphones with 1/4" microphones if preferred. Its CCP equivalent is 45BB-4.

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  9. 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 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-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 for Hearing Aid test, 2-Ch CCP.

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  10. 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 hearing aid 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 for Hearing Aid test, 2-Ch LEMO.

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  11. 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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  12. 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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  13. Non-configured
    Connection: 0 V/CCP or 200 V/LEMO
    Channel(s): 2
    ANSI: S3.36, S3.25
    IEC: 60318-7

    G.R.A.S. 45BB KEMAR Head & Torso, Non-configured

    The 45BB KEMAR head and torso is an acoustic research tool that simulates the changes that occur to soundwaves as they pass a human head and torso. Its equivalent with mouth simulator is G.R.A.S. 45BC KEMAR Head & Torso, non-configured

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  14. With Mouth Sim, Non-configured
    Connection: 0 V/CCP or 200 V/LEMO
    Channel(s): 2
    ANSI: S3.36, S3.25
    IEC: 60318-7
    Special feature: Built-in power amplifier

    G.R.A.S. 45BC KEMAR Head & Torso with Mouth Simulator, Non-configured

    The 45BC KEMAR head & torso with mouth simulator is an acoustic research tool with built-in ear and mouth simulators that simulates the changes that occur to soundwaves as they pass a human head and torso. Its equivalent without mouth is G.R.A.S. 45BB KEMAR Head & Torso, non-configured

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