Sound field type
Free field type
Sensitivity (@ 250 Hz ± 2 dB)
50 mV/Pa
Sensitivity (@ 250 Hz ± 2 dB)
-26 dB re 1V/Pa
Frequency response (±2 dB)
3.15Hz~20kHz
Polarization voltage
200 V (external polarization)
Typical capacitance
15pF
Upper limit of dynamic range (re. 20 uPa)
≥146dB(distortion < 3%)
Lower limit of dynamic range (re. 20 uPa)
≤15dB(A)
Range of operating temperature
-30℃~80℃
Temperature coefficient (-10 ℃ to 50 °C)
0.01dB/℃
Static pressure coefficient
-0.01dB/kPa
Relative humidity range (without condensation)
0~90%RH
Relative humidity coefficient
<0.1dB(0 - 90% RH without condensation)
Pressure equalization method
Post-pressure equalization
IEC 61094-4 Designation
WS2P
Height (without protective grid)
16.2mm
Diameter (including protective grid)
13.2mm
Height (without protective grid)
15.3mm
Diameter (without protective grid)
12.7mm
Diaphragm ring diameter
12.1mm
Preamplifier with thread
11.7mm-60UNS
Protective grid thread
12.7mm-60UNS