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Model Number377C01377B02377A12377B11377A14377C10
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Performance
Nominal Microphone Diameter1/4"1/2"1/4"1/2"1/4"1/4"
Frequency Response Characteristic (at 0° incidence)Free-FieldFree-Field--------
Open Circuit Sensitivity (±3dB)-54 dB re 1 V/Pa---72 dB re 1 V/Pa---60 dB re 1 V/Pa-60 dB re 1 V/Pa
Open Circuit Sensitivity2.0 mV/Pa50 mV/Pa0.25 mV/Pa50 mV/Pa1.0 mV/Pa1.0 mV/Pa
Frequency Range (+2 / -3dB)3 to 100000 Hz----------
Frequency Range (±2dB)4 to 80000 Hz3.15 to 20000 Hz4 to 20000 Hz3.15 to 10000 Hz4 to 70000 Hz4 to 70000 Hz
Frequency Range (±1dB)6 to 12500 Hz5 to 10000 Hz--5 to 7500 Hz----
Lower Limiting Frequency (-3dB)0.25 to 3.0 Hz1.0 to 2.4 Hz0.5 to 3.0 Hz1.0 to 2.4 Hz
0.25 to 3.0 Hz
0.25 to 3 Hz
0.25 to 3.0 Hz
Resonant Frequency (90° Phase Shift)62 kHz10400 Hz48900 Hz12000 Hz65000 Hz65000 Hz
Inherent Noise<35 dB(A) re 20 µPa15 dB(A) re 20 µPa<60 dB(A) re 20 µPa14 dB(A) re 20 µPa<35 dB(A) re 20 µPa<35 dB(A) re 20 µPa
Dynamic Range166 dB re 20 µPa--182 dB re 20 µPa--174 dB re 20 µPa174 dB re 20 µPa
Standards Designation (IEC 61094-4)WS3FWS2F--------
Open Circuit Sensitivity (±1.5dB)---26 dB re 1 V/Pa---26 dB re 1 V/Pa----
Dynamic Range (3% Distortion Limit)--147 dB re 20 µPa--146 dB re 20 µPa----
Frequency Response Characteristic----PressurePressurePressurePressure
Maximum Sound Pressure Level---->194 dB re 20 µPa------
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