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Measurement Microphones
The microphone bodies contain the preamplifier. They combine high dynamic range and wide frequency range with low noise. These measurement microphones connect via the ASD Cable to the XL2 Audio and Acoustic Analyzer, e.g. for measurements at remote locations or to reduce acoustic reflections.
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Microphone Preamplifier
HT426E01
Nominal Microphone Diameter1/2Frequency Response Electrical Noise(at 22 C) (Flat 20 Hz to 20 kHz)Distortion (3 V rms input at 1 kHz)<-70 dB<-70 dB[1] EnvironmentalTemperature Range (Operating)-40 to +248 FExcitation Voltage 20 to 32 Constant Current Excitation 2 to 10 mA
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Directional Microphone
MI-8100
MI-8100 is a shotgun type directional microphone which sharply catches the intended sound. This directional microphone is helpful for the removal of background noise in the simple sound source exploration and in abnormal sound detection. Flat frequency characteristic from 50 Hz to 20 kHz and sharp detection with high S/N ratio provide high sensitive detection of various sound coming from the specific direction. By combining the acoustic vibration monitor BL-1100, only the intended frequency or sound is focused and caught clearer.
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Precision Condenser Microphone
378A12
1/4-inch pressure prepolarized 377A12 microphone, with 1/4-inch preamplifier 426B03 and TEDS v0.9
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Low Noise Prepolarized Microphone
378A04
The 378A04 is a matched system that is comprised of a high sensitivity microphone and a low noise preamplifier that contains a built-in filter that enables the free-field response to remain flat over a wide frequency range. The system requires a minimum of 4 mA and measures to 6.5 dBA (5.5 dBA typical) within a cost efficient, prepolarized (0V) design. PCB's model 378A04, the industry's first prepolarized low noise microphone and preamplifier system allows you to measure extremely low amplitudes. In the past this was only possible with externally polarized solutions. With a typical noise floor of 5.5dBA, this microphone system delivers all of the benefits commonly associated with prepolarized systems.
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Precision Condenser Microphone
377C10
Performance:Nominal Microphone Diameter:1/4"CharacteristicPressure Open Circuit Sensitivity1.0 mV/Pa1.0 mV/PaFrequency Range (2 dB)4 to 70000 Hz4 to 70000 Hz Lower Limiting Frequency (-3 dB)0.25 to 3.0 Hz0.25 to 3.0 Hz Resonant Frequency (90 Phase Shift)65000 Hz65000 HzHumidity Coefficient of Sensitivity (0 to 100%, non-condensing)0.0012 dB/%RH0.0012 dB/%
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Precision Condenser Microphone
377B02
1/2" free-field, prepolarized condenser microphone, typical sensitivity= 50 mV/Pa (+/-1.5 dB), 3.15 Hz to 20 kHz (+/-2 dB).
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Microphones
MIC-01, MIC-02 and MIC-03 are low cost precision condenser electret microphones perfectly suited for laboratory and on-field acoustical measurements. They have identical performances but differ for their physical size; MIC-01 is preferable for fixed laboratory installations while MIC-02 is highly manageable due to its short length; MIC-03 is the best where space saving is a must. Their frequency response is individually tested against specifications and the sensitivity value is supplied. MIC-01 & MIC-02 & MIC-03 can be directly connected to your CLIO system's input.
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ICP Microphone System
378C10
This model includes a 1/4" microphone cartridge, a mated preamplifier with TEDS, and system calibration.
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Measurement Microphone Cartridges
G.R.A.S. Sound & Vibration A/S
Measurement microphones are available in many types covering various frequency ranges, dynamic ranges and application situations. Selecting a microphone involves a number of choices, which can be summarized as:
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23KHZ Reference Measurement Microphone
M23R
The M23R is a precision engineered 23kHz omnidirectional measurement microphone ideally suited for acoustical measurements including loudspeaker design and quality control, sound system setup and troubleshooting, room acoustics, or any application where an accurate free-field measurement microphone is required.
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MEMS Microphone Test
The market is driving the need for improved voice recognition for security, automobile infotainment control, VoIP, accurate language translation, voice-activated consumer devices and high precision hearing aids. The latest next-generation microphones require highly accurate precision testing with SNR tests up to 78 dB with high parallelism, high UPH, in a high volume production environment.
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Low Light USB Camera With Microphone
Conversa
Conversa, camera for conversation (See3CAM_CU38), is a 3.4 MP low light USB 3.1 Gen1 camera with built-in stereo microphone providing 16bit audio @48KHz. This low-light USB camera is the next advanced version of our flagship product See3CAM_CU30, with built-in stereo microphone for crystal clear sound. It is a plug-and-play (UVC and UAC) compliant USB 3.1 Gen1 SuperSpeed camera and is also backward compatible with USB 2.0 host ports. It has S-mount (M12) lens holder which allows customers to choose and use the lens according to their requirement. It has a dedicated, high-performance Image Signal Processor chip (ISP) that performs all the Auto functions (Auto White Balance, Auto Exposure control).
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Special microphones
G.R.A.S. Sound & Vibration A/S
Special microphones are often required for applications where there are particular requirements regarding the methods of measurements and configurations
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Microphone Preamplifier
426A11
1/2-inch ICP preamplifier with gain and filter switches (for prepolarized microphones)ICP(R) low noise preamplifier with gain, filters, and TEDS
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Microphone Preamps
Applied Research and Technolgy
Unlock your mic's full potential with advanced features like variable impedance, mid-side processing, and real tube warmth.
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Externally Polarized Precision Condenser Microphones & Preamplifiers
Externally polarized microphones set the initial standard for all acoustic test and measurement applications. They rely on a dedicated 200V power supply and specialized cables with 7-pin LEMO® connectors. Their straightforward design supports a wide product range. Often chosen as replacements for existing models or when prepolarized alternatives are unavailable.
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Ultraminiature Microphone
MB-2200M10
MB-2200M10 is an ultra compact and lightweight microphone that enables measurement in narrow spaces, where have been difficult to install, without giving influence to the sound field.Its compact and lightweight features make you possible to perform measurements in a limited space, such as multi-point measurement, and measurement near the sound source. As CCLD type, the MB-2200M10 can be connected to Ono Sokki’s FFT Analyzer or CCLD supported devices.
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SparkFun Analog MEMS Microphone Breakout
SPH8878LR5H-1
The SparkFun Analog MEMS Microphone Breakout makes it easy to work with the SPH8878LR5H-1 analog microphone from Knowles. This board features an OpAmp to bring the output of the microphone to a usable level, allowing you to plug directly into an ADC on a microcontroller or something like the SparkFun Spectrum Shield.
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Measuring Microphone
AWA14400
Hangzhou Aihua Instruments Co., Ltd.
*Precision acoustic measurements*Pressure variation measurements
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Probes, Sensors, Measurement Microphones, Calibrators, Accessories
Passive Probes, Active Probes, USB Isolators, Noise & Vibration Sensors & Accessories, Electro-Acoustic Test Accessories
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Phantom Powered Measurement Microphone System
7052PH
The 7052PH Type 1.5TM phantom powered measurement microphone system offers a cost effective solution to acoustic measurements from phantom powered sources. Type 1.5TM - a superior Type 2. Frequency Response: <3 Hz to > 20kHz typ.(capsule). Sensitivity: 22 mV/Pa (-33 dBV/Pa)typ. Dynamic Range (capsule) 1% THD: <20dBA-150dBSPL (Capsule).
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SparkFun Electret Microphone Breakout
This small breakout board couples an Electret microphone (100Hz--10kHz) with a 60x mic preamplifier to amplify the sounds of voice, claps, door knocks or any sounds loud enough to be picked up by a microcontroller’s analog-to-digital converter. Each breakout comes fully assembled and works from 2.7V up to 5.5V.
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Type 1 Phantom Powered Measurement Microphone
MK224PH
The MK224PH Type 1 phantom powered measurement microphone system offers a cost effective solution to acoustic measurements from phantom powered sources. Frequency Response: +/-2dB (8 Hz to 18kHz). Sensitivity: 50 mV/Pa (-26 dBV/Pa)typ. Dynamic Range 3% THD: 14dBA-145dB.
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MEMS Microphones
A MEMS microphone is an electro-acoustic transducer housing a sensor (MEMS) and an application-specific integrated circuit (ASIC) in a single package.
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Precision Condenser Microphone
377B11
Performance:Nominal Microphone Diameter:1/2 CharacteristicPressureOpen Circuit Sensitivity: 50 mV/Pa50 mV/PaInherent Noise<15 dB(A) re 20 Pa<15 dB(A) re 20 Pa Dynamic Range (3% Distortion Limit)>143 dB re 20 Pa>143 dB re 20 Pa EnvironmentalTemperature Range (Operating)-40 to +248 F-40 to +120 C Temperature Coefficient of Sensitivity (+14 to +122F (-10 to +50C))0.005 dB/F0.009 dB/C
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Microphone Interfaces
MEMS
Listen offers 2 MEMS digital microphone measurement interfaces from Portland Tool & Die, the laboratory-grade DCC-1448 and the low cost PQC-3048 for production line use.
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USB Controlled Loudspeaker & Microphone Test Interface
AmpConnect™ ISC
AmpConnect ISC is an all-in-one audio interface that simplifies your test setup and operation. It is a single, rugged, rack-mountable piece of hardware containing a high-accuracy audio interface, impedance box, amplifier, headphone amplifier, 2 microphone power supplies and digital I/O. It replaces multiple hardware devices, connecting to your computer via a single USB cable, and it is fully controlled by SoundCheck. This simplifies setup and calibration, eliminates cabling and reduces connectivity errors, as well as reducing overall system cost.
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ICP Microphone System
378C01
This model includes a 1/4" microphone cartridge, a mated preamplifier with TEDS, and system calibration. Click the following for individual component information.
