1. 40AZ 1/2" Free-field Mic, Low Frequency
    Freq range: 0.5 Hz to 20 kHz
    Dyn range: 14 dB(A) to 148 dB
    Sensitivity: 50 mV/Pa

    G.R.A.S. 40AZ 1/2" Prepolarized Free-field Microphone, Low Frequency

    The 40AZ is a prepolarized free-field microphone with a large dynamic range and a wide frequency response. Its externally polarized equivalent is G.R.A.S. 40AN.

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  2. 47AC 1/2" CCP Infra-Sound Mic Set
    Freq range: 0.09 Hz to 20 kHz
    Dyn range: 20 dB(A) to 148 dB
    Sensitivity: 8 mV/Pa

    G.R.A.S. 47AC 1/2" CCP Infra-Sound Microphone Set

    The G.R.A.S. 47AC is a 1/2" CCP free-field microphone set optimized for infra-sound measurements down to 0.09 Hz.

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  3. 26CG 1/4" CCP Preamp, Low Frequency (Mdot)
    Freq range: 1 Hz - 200 kHz
    Noise: 1.8 µV
    Gain: -0.35 dB
    Special feature: For low-frequency applications

    G.R.A.S. 26CG 1/4" CCP Preamplifier with Microdot Connector, Low Frequency

    The G.R.A.S. 26CG ¼″ CCP Preamplifier is a small robust unit optimised for acoustic measurements using condenser microphones. It has a very low inherent noise level, a wide dynamic range, and a wide frequency response from below 1 Hz to above 200 kHz.

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  4. 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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  5. 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
  6. 46DD 1/8'' Pressure Set
    Freq range: 6.5 Hz to 70 kHz
    Dyn range: 47 dB(A) to 174 dB
    Sensitivity: 0.8 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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  7. 40LS 1/4" CCP Precision Surface Mic
    Freq range: 5 Hz to 70 kHz
    Dyn range: 46 dB(A) to 167 dB
    Sensitivity: 1.8 mV/Pa

    G.R.A.S. 40LS 1/4" CCP Precision Surface Microphone

    The G.R.A.S. 40LS High-Precision Surface Microphone is a high-precision microphone for measurements on planar and curved surfaces. It has a wide useful frequency range reaching up to 70 kHz and a large dynamic range topping at around 167 dB.

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  8. 40LA 1/4" CCP Precision Surface Mic, High Pressure
    Freq range: 5 Hz to 70 kHz
    Dyn range: 56 dB(A) to 178 dB
    Sensitivity: 0.5 mV/Pa

    G.R.A.S. 40LA 1/4" CCP Precision Surface Microphone, High Pressure

    The G.R.A.S. 40LA High-Precision Surface Microphone is a high-precision microphone for measurements on planar and curved surfaces. It has a wide useful frequency range reaching up to 70 kHz and a large dynamic range topping at around 178 dB.

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  9. 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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  10. 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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  11. 47DX 1/8” CCP Flush-mount Mic Set
    Frequency range: 10 Hz to 100 kHz
    Dynamic range: 52 dB(A) to 173 dB
    Sensitivity: 0.8 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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  12. 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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  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. 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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