Intensity Microphones

GRAS 40AI 1/2" Ext. Polarized Intensity Microphone Pair

Freq response: IEC 61043
Dyn range: 20 dB(A) to 157 dB
Sensitivity: 25 mV/Pa

GRAS 40AI 1/2" Ext. Polarized Intensity Microphone Pair

The 40AI is an IEC 61094-compliant, WS2F ½" externally polarized sound-intensity microphone pair especially suited for sound-intensity and sound-power measurements, sound-source location and IEC 61043 Standard Instrumentation. Its equivalent prepolarized version is GRAS 40GI..

GRAS 40AK 1/2" Ext. Polarized Intensity Microphone Kit

Freq response: IEC 61043
Dyn range: 20 dB(A) to 157 dB
Sensitivity: 25 mV/Pa

GRAS 40AK 1/2" Ext. Polarized Intensity Microphone Kit

The 40AK is an IEC 61094-compliant, WS2F ½" externally polarized sound-intensity microphone set. The microphones in the set are two 40AI microphones - two phase-matched free-field condenser microphones with extremely well-controlled phase characteristics for use in sound-intensity probes. This micro..

GRAS 40BI 1/4" Ext. Polarized Intensity Microphone Kit

Freq response: IEC 61043
Dyn range: 35 dB(A) to 172 dB
Sensitivity: 4 mV/Pa

GRAS 40BI 1/4" Ext. Polarized Intensity Microphone Kit

The 40BI is an IEC 61094-compliant, WS3F ¼" externally polarized sound-intensity microphone pair. The 40BI microphone pair consists of two phase-matched free-field condenser microphones with extremely well-controlled phase characteristics for use in sound-intensity probes. Their standard mounting th..

GRAS 40GI 1/2" Prepolarized Intensity Microphone Pair

Freq response: IEC 61043
Dyn range: 27 dB(A) to 163 dB
Sensitivity: 12.5 mV/Pa

GRAS 40GI 1/2" Prepolarized Intensity Microphone Pair

The 40GI is an IEC 61043-compliant prepolarized sound-intensity microphone pair. Its externally polarized equivalent is GRAS 40AI...

GRAS 40GK 1/2" Prepolarized Intensity Microphone Kit

Freq response: IEC 61043
Dyn range: 27 dB(A) to 163 dB
Sensitivity: 12.5 mV/Pa

GRAS 40GK 1/2" Prepolarized Intensity Microphone Kit

The 40GK is an IEC 61094-compliant, WS2F ½" prepolarized sound-intensity microphone set. The microphones in the set are two 40GI microphones - two phase-matched free-field condenser microphones with extremely well-controlled phase characteristics for use in sound-intensity probes. This microphone pa..