1. 45BB-1 KEMAR 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. 45BB-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. 45BB-7 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 G.R.A.S. 45BB-8 KEMAR Head & Torso for Test of Binaural Hearing Aid, 2-Ch CCP.

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  4. 45BB-8 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 G.R.A.S. 45BB-7 KEMAR Head & Torso for Test of Binaural Hearing Aid 2-Ch LEMO.

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  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. 43BA-1 1/4" 0.4cc High Freq Coupler Kit
    Connection: LEMO
    Volume: 0.4cc
    IEC: TS 62886 (IEC 60118-0)
    Use: For hearing aid test up to 16 kHz

    G.R.A.S. 43BA-1 1/4" 0.4cc High Frequency Coupler Kit

    The G.R.A.S. 43BA-1 is a 1/4" 0.4cc High frequency coupler for test of hearing aids. It uses a 1/4" microphone and a 1/4" preamplifier with LEMO connection. The 43BA-2 is the equivalent CCP version.

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  7. 43BA-2 1/4" 0.4cc CCP High Freq Coupler Kit
    Connection: CCP
    Volume: 0.4cc
    IEC: TS 62886 (IEC 60118-0)
    Use: For hearing aid test up to 16 kHz

    G.R.A.S. 43BA-2 1/4" 0.4cc CCP High Frequency Coupler Kit

    The G.R.A.S. 43BA-2 is a 1/4" 0.4cc High frequency coupler for test of hearing aids. It uses a 1/4" microphone and 1/4" preamplifier with CCP connection. The equivalent externally polarized version is G.R.A.S. 43BA-1. 

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  8. 43BA-3 1/4" 0.4cc CCP High Freq Coupler Kit, High Sens
    Connection: CCP
    Volume: 0.4cc
    IEC: TS 62886 (IEC 60118-0)
    Use: For hearing aid test up to 16 kHz
    Special Feature: <25 dB(A) noise floor

    G.R.A.S. 43BA-3 1/4" 0.4cc CCP High Frequency Coupler Kit, High Sensitivity

    The G.R.A.S. 43BA-3 is a ¼" 0.4cc  high frequency, high sensitivity coupler for test of hearing aids. It uses a ¼” microphone and a ¼" preamplifier with CCP connection.

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  9. 43AC Ear Sim Kit IEC 60318-4
    Connection: 200 V/LEMO
    Volume: 1260 @ 500 Hz
    Dyn range: 25 dB(A) to 164 dB
    ANSI: S3.7
    IEC: 60318-4

    G.R.A.S. 43AC Ear Simulator Kit According to IEC 60318-4

    The G.R.A.S. 43AC Ear Simulator Kit is a complete test-jig for acoustical measurements on earphones coupled to the ear by inserts such as tubes and ear moulds.

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  10. 43AB 1/2'' 2cc Coupler Kit IEC 60318-5
    Connection: 200 V/LEMO
    Volume: 2 cc
    Dyn range: 25 dB(A) to 164 dB
    ANSI: S3.7 Type 2
    IEC: 60318-5

    G.R.A.S. 43AB 1/2'' 2cc Coupler Kit According to IEC 60318-5

    The G.R.A.S. 43AB Artificial Ear is a complete test-jig for acoustical measurements on hearing aids.

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  11. RA0114 Adapter for 1/4” button type hearing aids
    Material: Stainless steel
  12. RA0115 Moulding adapter for ITE hearing aids
    Material: Black POM
  13. RA0251 KEMAR Retrofit kit for test of Binaural Hearing Aid

    G.R.A.S. RA0251 KEMAR Retrofit kit for test of Binaural Hearing Aid

    Kit with plastic ear holder plates and plastic ear canal extensions. For test of binaural hearing aids which are based on radio frequencies.

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  14. RA0088 In Ear Adapter
    Moulding cup used to fit in-ear hearing aids to IEC 60318-5 (60126) 2cc coupler RA0113.

    G.R.A.S. RA0088 In Ear Adapter

    Moulding cup used to fit in-ear hearing aids to IEC 60318-4 (60711) RA0045 Ear Simulator.

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  15. KB0111 Ear-mould simulator

    G.R.A.S. KB0111 Ear-mould simulator

    Ear-mould simulator for connecting a GR0917 (coupler holder) to a BTE hearing aid via 3 mm plastic tubing.

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  16. KB0110 Ear-mould simulator

    G.R.A.S. KB0110 Ear-mould simulator

    Ear-mould simulator for connecting a GR0917 (coupler holder) to a BTE hearing aid via 2 mm (for KB0110) or 3 mm (for KB0111) plastic tubing.

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  17. RA0038 1/2'' 2cc Coupler IEC 60318-5
    Volume: 2 cc
    ANSI: S3.7
    IEC: 60318-5
    Special feature: For 1/2" pressure microphones

    G.R.A.S. RA0038 1/2'' 2cc Coupler according to IEC 60318-5

    The G.R.A.S. RA0038 Coupler is a standard 2 cm³ Coupler according to IEC 126 and ANSI S3.7-1973. It uses a ½" microphone (preferably the G.R.A.S. 40AG) with a suitable preamplifier (e.g. G.R.A.S. 26AC which is a ¼" preamplifier but is supplied with an adapter for ½" microphones).

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  18. RA0045 Ext Pol Ear Sim IEC 60318-4 (60711)
    Volume: 1260 mm³ @ 500 Hz
    Dyn range: 25 dB(A) to 164 dB
    IEC: 60318-4

    G.R.A.S. RA0045 Externally Polarized Ear Simulator According to IEC 60318-4 (60711)

    The G.R.A.S. RA0045 is an ear simulator with an acoustic input impedance closely resembling that of an average human ear. It includes a 40AG pressure microphone and is individually calibrated with this specific microphone.

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  19. RA0045-S1 Prepol Ear Sim IEC 60318-4 (60711)
    Volume: 1260 mm³ @ 500 Hz
    Dyn range: 25 dB(A) to 150 dB
    IEC: 60318-4

    G.R.A.S. RA0045-S1 Prepolarized Ear Simulator According to IEC 60318-4 (60711)

    G.R.A.S. RA0045-S1 is an ear simulator with an acoustic input impedance closely resembling that of an average human ear. The RA0045 includes a 40AO 1/2" prepolarized pressure microphon and each RA0045 is individually calibrated with this specific microphone.

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