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. 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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  3. 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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  4. 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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  5. AL0030 Production Line Acoustic Test Chamber
    Self Insertion Loss: >25 dB
    CCP Microphone set

    G.R.A.S. AL0030 Production Line Acoustic Test Chamber

    G.R.A.S. AL0030 is an acoustical test chamber for production line testing of mobile devices such as cell phones, tablets, Bluetooth speakers etc. Learn More
  6. 44AA Mouth Sim ITU-T P51, power amp
    ITU-T rec.: P.51
    Special feature: Built-in power amplifier

    G.R.A.S. 44AA Mouth Simulator according to ITU-T Rec. P51 with built-in power amplifier

    G.R.A.S. 44AA Mouth Simulator  is a sound source which simulates the sound field around the human mouth at close quarters and complies with the Standards IEEE 269, 661 and ITU-T Rec. P51.

    G.R.A.S. 44AA is for testing telephone mouthpieces as well as other microphones similarly used in communication networks.

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  7. 44AB Mouth Sim ITU-T P51
    ITU-T rec.: P.51
    IEEE standards: 269, 661

    G.R.A.S. 44AB Mouth Simulator according to ITU-T Rec. P51

    G.R.A.S. 44AB Mouth Simulator is a sound source which simulates the sound field around the human mouth at close quarters and complies with the Standards IEEE 269, 661 and ITU-T Rec. P51.

    G.R.A.S. 44AB is for testing telephone mouthpieces as well as other microphones similarly used in communication networks.

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  8. 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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  9. RA0057 HL Pinna Sim ITU-T P57 Type 3.2
    Volume: Complex

    G.R.A.S. RA0057 High-leak Pinna Simulator according to ITU-T Rec. P57 Type 3.2

    The High-leak Pinna Simulator Type RA0057 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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