1. 46DD 1/8'' Pressure Set
    Freq range: 6.5 Hz to 70 kHz
    Dyn range: 47 dB(A) to 175 dB
    Sensitivity: 0.62 mV/Pa

    G.R.A.S. 46DD 1/8'' CCP Pressure Standard Microphone Set

    G.R.A.S. 46DD 1/8'' CCP Pressure Microphone Set

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  2. 46DD-FV 1/8'' Pressure Set, Front Vented
    Freq range: 6.5 Hz to 70 kHz
    Dyn range: 47 dB(A) to 175 dB
    Sensitivity: 0.62 mV/Pa

    G.R.A.S. 46DD-FV 1/8'' CCP Pressure Standard Microphone Set, Front Vented

    G.R.A.S. 46DD-FV is a 1/8'' CCP Pressure Microphone Set with front venting

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  3. 46DP-1 1/8" Pressure Set
    Freq range: 6.5 Hz to 140 kHz
    Dyn range: 46 dB(A) to 178 dB
    Sensitivity: 0.7 mV/Pa

    G.R.A.S. 46DP-1 1/8" LEMO Pressure Standard Microphone Set

    The 46DP-1 is a 1/8” LEMO microphone set for pressure measurements. 

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  4. 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
  5. 46AO 1/2'' Pressure Set
    Freq range: 3.15 Hz to 20 kHz
    Dyn range: 25 dB(A) to 150 dB
    Sensitivity: 12 mV/Pa

    G.R.A.S. 46AO 1/2'' CCP Pressure Standard Microphone Set

    The 46AO is a 1/2" CCP microphone set for wide-frequency pressure measurements. Its LEMO equivalent is 46AG.

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  6. 40DP 1/8" Pressure Mic
    Freq range: 6.5 Hz to 140 kHz
    Dyn range: 40 dB(A) to 178 dB
    Sensitivity: 1 mV/Pa

    G.R.A.S. 40DP 1/8" Ext. Polarized Pressure Microphone

    The 40DP is an IEC 61094 1/8" externally polarized pressure microphone with rear-venting. Due to its tiny size, this high-precision condenser microphone can be used to measure very high frequency sounds without disturbing the sound field. Learn More
  7. 40BP 1/4" Pressure Mic
    Freq range: 4 Hz to 70 kHz
    Dyn range: 34 dB(A) to 169 dB
    Sensitivity: 1.6 mV/Pa

    G.R.A.S. 40BP 1/4" Ext. Polarized Pressure Microphone

    The 40BP is an IEC 61094 WS3P 1/4" externally polarized pressure microphone with rear-venting. It is a high-precision condenser microphone made according to IEC 61094-4 requirements. It is a low-sensitivity microphone for sound measurements at high levels and high frequencies. Its low sensitivity makes it ideal for measuring high sound pressure levels of up to 174 dB. Its small size reduces the effects of diffraction and reflections around the microphone resulting in a frequency range extending up to 70 kHz.

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  8. 26CB 1/4" CCP Standard Preamp (Mdot)
    Freq range: 2.5 Hz - 200 kHz
    Noise: 1.8 µV
    Gain: -0.35 dB
    Special feature: General purpose

    G.R.A.S. 26CB 1/4" CCP Standard Preamplifier with Microdot Connector

    The G.R.A.S. 26CB 1/4" CCP Standard Preamplifier with Microdot Connector is a general-purpose preamplifier optimized for use with prepolarized condenser microphones. It is a small, robust unit and uses a G.R.A.S. CCP power supply, e.g. G.R.A.S. 12AL. It has a very low inherent noise level, a large dynamic range, and a frequency response from below 2 Hz to above 200 kHz.

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  9. 45CA Headphone/Hearing-protector Test Fixture
    ISO: 4869-3
    IEC: 60318-1 and 60318-4 depending on configuration

    G.R.A.S. 45CA Headphone/Hearing-protector Test Fixture

    The G.R.A.S. 45CA Hearing-protector Test Fixture is a versatile test fixture for measuring sound isolation of hearing-protectors according to ISO 4869-3 and ear- and headphones according to IEC60318-1 or 60318-4.
    For testing hearing-protectors according to ANSI/ASA S12.42, choose G.R.A.S. 45CB.

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  10. 45CB Acoustic Test Fixture
    ANSI: S12.42

    G.R.A.S. 45CB Acoustic Test Fixture

    The G.R.A.S. 45CB Acoustic Test Fixture is specified and designed for measuring sound isolation of hearing-protectors and ear- and headphones according to the ANSI/ASA S12.42 standard. For testing in accordance with the ISO 4869-3 standard, choose G.R.A.S. 45CA.

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  11. 67SB Blast Probe Mic
    Freq range: 10 Hz to 20 kHz
    Dyn range: 44 dB(A) to 174 dB

    G.R.A.S. 67SB Blast Probe Microphone according to ANSI S12.42

    The G.R.A.S. 67SB Blast Probe is designed as a reference microphone for impulse measurements according to the ANSI/ASA S12.42 standard.

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  12. 47DX 1/8” CCP Flush-mount Mic Set
    Frequency range: 10 Hz to 100 kHz
    Dynamic range: 52 dB(A) to 174 dB
    Sensitivity: 0.9 mV/Pa

    G.R.A.S. 47DX 1/8” CCP Flush-mount Microphone Set

    The G.R.A.S. 47DX 1/8" CCP Flush-mount Microphone Set is a low profile 1/8" precision pressure microphone with built-in CCP preamplifier and TEDS.

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  13. 47AX 1/2'' CCP Flush-mount Mic Set
    Freq range: 3.15 Hz to 20 kHz
    Dyn range: 22 dB(A) to 150 dB
    Sensitivity: 12.5 mV/Pa

    G.R.A.S. 47AX 1/2'' CCP Flush-mount Microphone Set

    The G.R.A.S. 47AX 1/2" CCP Flush-Mount Microphone Set is a low profile 1/2" precision pressure microphone with built-in CCP preamplifier.

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  14. 47BX 1/4" CCP Flush-mount Microphone Set
    Freq range: 4 Hz to 70 kHz
    Dyn range: 44 dB(A) to 166 dB
    Sensitivity: 1.6 mV/Pa

    G.R.A.S. 47BX 1/4" CCP Flush-mount Microphone Set

    The G.R.A.S. 47BX 1/4" CCP Flush-Mounted Microphone Set is a low profile 1/4" precision pressure microphone with built-in CCP preamplifier.

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  15. RA0173 1/8” Nosecone

    Length: 17.4 mm
    Outer diameter: 3. 5mm
    Threading (mic. protection grid threading): M3.175x0.2
    Material: Stainless steel
    Weight: tbd

    G.R.A.S. RA0173 1/8” Nosecone

    The RA0173 is specially designed and optimized for use with 1/8" microphones for sound pressure measurements, when high speed wind comes from one known direction e.g. in a wind tunnel.

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  16. RA0022 1/4" Nosecone

    Length: 36.7 mm
    Outer diameter: 7.0 mm
    Threading (mic. protection grid threading): 6.35-60 UNS-2
    Material: stainless steel
    Weight: 7 g 

    G.R.A.S. RA0022 1/4" Nosecone

    The RA0022 is specially designed and optimized for use with 1/4" microphones for sound pressure measurements, when high speed wind comes from one known direction e.g. in a wind tunnel.
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  17. RA0020 1/2" Nosecone

    Length: 54.0 mm
    Outer diameter: 13.2 mm
    Threading (mic. protection grid threading): 12.70-60 UNS-2
    Material: Stainless steel
    Weight: 45 g

    G.R.A.S. RA0020 1/2" Nosecone

    The RA0020 is specially designed and optimized for use with 1/2" microphones for sound pressure measurements, when high speed wind comes from one known direction e.g. in a wind tunnel.
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