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. 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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  6. 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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  7. 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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  8. 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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  9. 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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  10. 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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  11. 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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  12. 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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  13. 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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  14. 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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