Special microphones

Special microphones are often required for applications where there are particular requirements regarding the methods of measurements and configurations.
GRAS 40LS 1/4" CCP Precision Surface Microphone

Freq range: 5 Hz to 70 kHz
Dyn range: 46 dB(A) to 167 dB
Sensitivity: 1.8 mV/Pa

GRAS 40LS 1/4" CCP Precision Surface Microphone

The GRAS 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...

GRAS 40PH CCP Free-field Array Microphone

Freq range: 10 to 20 kHz
Dyn range: 32 dB(A) to135 dB
Sensitivity: 50 mV/Pa

GRAS 40PH CCP Free-field Array Microphone

The GRAS 40PH Array Microphone is a low-cost microphone for general purpose measurements in arrays and matrices...

GRAS 40PK CCP Free-field QC Microphone, Short

Freq range: 10 Hz to 20 kHz
Dyn range: 26 dB(A) to 145 dB
Sensitivity: 18 mV/Pa

GRAS 40PK CCP Free-field QC Microphone, Short

The 40PK is a  free-field microphone for Quality Control and measurements in confined spaces. It has a wide frequency range reaching up to 20 kHz and a large dynamic range from <26 dB (A) to 145 dB...

GRAS 40PL CCP Free-field Array Microphone, High Pressure

Freq range: 50 to 20 kHz
Dyn range: 32 dB(A) to 150 dB
Sensitivity: 10 mV/Pa

GRAS 40PL CCP Free-field Array Microphone, High Pressure

The GRAS 40PL Array Microphone is a low-cost microphone for general purpose measurements in arrays and matrices. It has a wide useful frequency range reaching up to 20 kHz and a large dynamic range topping at around 150 dB...

GRAS 40PL-1 Short CCP Free-field Array Microphone, High Pressure

Freq range: 50 to 20 kHz
Dyn range: 32 dB(A) to 150 dB
Sensitivity: 10 mV/Pa

GRAS 40PL-1 Short CCP Free-field Array Microphone, High Pressure

The GRAS 40PL-1 Array Microphone is a low-cost microphone for general purpose measurements in arrays and matrices. It has a wide useful frequency range reaching up to 20 kHz and a large dynamic range topping at 150dB peak...

GRAS 40PP CCP Free-field QC Microphone

Freq range: 10 Hz to 20 kHz
Dyn range: 32 dB(A) to 128 dB
Sensitivity: 50 mV/Pa

GRAS 40PP CCP Free-field QC Microphone

The GRAS 40PP Production-Line Test Microphone is a robust, cost-effective microphone designed for use in production-line testing of loudspeakers and acoustic transducers. It has a wide frequency range reaching up to 20 kHz and a large dynamic range from <32 dB(A) to 128 dB...

GRAS 40PP-S1 CCP Free-field QC Microphone, High Pressure

Freq range: 10 Hz to 20 kHz
Dyn range: 32 dB(A) to 142 dB
Sensitivity: 10 mV/Pa (± 3 dB)

GRAS 40PP-S1 CCP Free-field QC Microphone, High Pressure

The GRAS 40PP-S1 QC Microphone, High Pressure is a robust, cost-effective microphone designed for use in production-line testing of loudspeakers and acoustic transducers. It has a wide frequency range reaching up to 20 kHz and a large dynamic range from <32 dB(A) to 142 dB...

GRAS 40PS-1 CCP Surface Microphone

Freq range: 10 Hz to 12 kHz
Dyn range: 27 dB(A) to 145 dB
Sensitivity: 15 mV/Pa

GRAS 40PS-1 CCP Surface Microphone

The GRAS Surface Microphone 40PS-1 is a low-profile, light surface microphone for general purpose measurements on planar and curved surfaces exposed to slipstreams...

GRAS 40SA Probe Microphone

Freq range: 2 Hz to 8 kHz
Dyn range: 40 dB(A) to 166 dB
Sensitivity: 3 mV/Pa

GRAS 40SA Probe Microphone

The GRAS 40SA Probe Microphone is a small, compact unit for sound-pressure measurements in small enclosures, in harsh environments and in very close proximity to sound sources. The high acoustic input impedance at the tip of the probe minimizes its influence on the acoustic field, while the stainles..

GRAS 40SC CCP Probe Microphone

Freq range: 2 Hz to 8 kHz
Dyn range: 40 dB to 160 dB
Sensitivity: 3 mV/Pa

GRAS 40SC CCP Probe Microphone

The CCP Probe Microphone 40SC is a small, constant-current powered, compact unit for sound-pressure measurements in small enclosures, in harsh environments and in very close proximity to sound sources. The high acoustic input impedance at the tip of the probe minimizes its influence on the acoustic ..

GRAS 41AC-2 LEMO Outdoor Microphone with RemoteCheck for Community and Airport Noise

Standard: IEC 61672-1
Special features: RemoteCheck
Configurable for 90 or 0 degrees of incidence
IP55 proof

GRAS 41AC-2 LEMO Outdoor Microphone with RemoteCheck for Community and Airport Noise

The 41AC-2 is an outdoor microphone for unattended use for prolonged periods of time. It can be used for community noise applications or for monitoring of overhead aircraft noise. It has RemoteCheck for monitoring of the mesurement chain...

GRAS 41AC-3 CCP Outdoor Microphone for Community & Airport Noise

Standard: IEC 61672-1
TEDS
Special features: Configurable for 90 or 0 degrees of incidence
IP55 proof

GRAS 41AC-3 CCP Outdoor Microphone for Community & Airport Noise

The 41AC-3 is an outdoor microphone for unattended use for prolonged periods of time. It can be used for community noise applications or for monitoring of overhead aircraft noise...