1. 46AE 1/2'' Free-field Set
    Freq range: 3.15 Hz to 20 kHz
    Dyn range: 17 dB(A) to 138 dB
    Sensitivity: 50 mV/Pa
    Use: For general acoustic diagnostics

    G.R.A.S. 46AE 1/2'' CCP Free-field Standard Microphone Set

    The G.R.A.S. 46AE is a 1/2" Constant Current Power (CCP) free-field microphone set for measuring medium sound pressure levels at medium frequencies. It is terminated with a BNC connector and is TEDS compatible. The equivalent traditional 200 V (LEMO) type is G.R.A.S. 46AF.

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  2. 46BD 1/4" Pressure Set
    Freq range: 4 Hz to 70 kHz
    Dyn range: 44 dB(A) to 166 dB
    Sensitivity: 1.45 mV/Pa

    G.R.A.S. 46BD 1/4" CCP Pressure Standard Microphone Set

    The 46BD is a 1/4" CCP microphone set for pressure measurements. Learn More
  3. 46BL 1/4" Pressure Set, High Sensitivity
    Freq range: 4 Hz to 20 kHz
    Dyn range: 25 dB(A) to 147 dB
    Sensitivity: 18 mV/Pa

    G.R.A.S. 46BL 1/4" CCP Pressure Standard Microphone Set, High Sensitivity

    The 46BL is a high-sensitive, low-noise 1/4" CCP condenser microphone set with rear-venting.

    The set consists of a 40BL 1/4" CCP Pressure Microphone, High Sensitivity and a 26CB 1/4" preamplifier with Microdot connector.

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  4. 40HL 1/2" Low-noise Mic System
    Freq range: 10 Hz to 16 kHz
    Dyn range: 6.5 dB(A) to 110 dB
    Sensitivity: 850 mV/Pa

    G.R.A.S. 40HL 1/2'' LEMO Low-noise Microphone System

    The G.R.A.S. 40HL 1/2" Low-noise Microphone System measures sound pressure levels well below the threshold of human hearing. It is thus generally suitable for sound-power measurements on even very quiet products. Its very wide dynamic range permits measurements down to below 6.5 dB re. 20 μPa (in 1/3-octave bands) from 20 Hz to 20 kHz.

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  5. 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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  6. 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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  7. 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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  8. 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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  9. 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

  10. 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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  11. 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

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