Model : 2575 | Precision Condenser Microphone

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1 in random response, condenser microphone, typical sensitivity = 46 mV/Pa. 200 VDC polarization

Externally polarized 1 inch random incidence microphone, 45 mV/Pa, 8 kHz.

  • Nominal Microphone Diameter: 1"
  • Frequency Response Characteristic: Random Incidence
  • Frequency Range: (±1dB)4 to 6300 Hz (4 to 6300 Hz)
  • Dynamic Range: >146 dB re 20 µPa

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English: SI:
Performance
Nominal Microphone Diameter 1" 1"
Frequency Response Characteristic (at 0° incidence) Random Incidence Random Incidence
Open Circuit Sensitivity (±1.4 dB) -26.9 dB re 1 V/Pa -26.9 dB re 1 V/Pa [2]
Open Circuit Sensitivity 45 mV/Pa 45 mV/Pa [2]
Frequency Range (±1 dB) 4 to 6300 Hz 4 to 6300 Hz
Frequency Range (±2 dB) 2.6 to 8000 Hz 2.6 to 8000 Hz
Lower Limiting Frequency (-3 dB) 1 to 2 Hz 1 to 2 Hz
Resonant Frequency (90° Phase Shift) 8000 Hz 8000 Hz [1]
Inherent Noise <10 dB(A) re 20 µPa <10 dB(A) re 20 µPa
Dynamic Range (3% Distortion Limit) >146 dB re 20 µPa >146 dB re 20 µPa
Standards Designation (IEC 61094-4) WS2F WS2F
Environmental
Temperature Range (Operating) -40 to 302 °F -40 to 150 °C
Temperature Coefficient of Sensitivity (+14 to +122°F (-10 to +50°C)) 0.004 dB/°F 0.01 dB/°C [1]
Static Pressure Coefficient -0.0166 dB/kPa -0.0166 dB/kPa [1]
Humidity Coefficient of Sensitivity (0 to 95%, non-condensing) ±0.001 dB/%RH ±0.001 dB/%RH
Influence of Axial Vibration (0.1g (1 m/s²)) 68 dB re 20 µPa 68 dB re 20 µPa [1]
Electrical
Capacitance (Polarized) 57 pF 57 pF [1]
Polarization Voltage 200 V 200 V
Physical
Housing Material Stainless Alloy Stainless Alloy
Venting Rear Rear
Mounting Thread (Preamplifier) 0.9098-60 UNS 23.11mm-60 UNS
Mounting Thread (Grid) 0.9098-60 UNS 23.11mm-60 UNS
Size - Diameter (with grid) 0.936 in 23.77 mm
Size - Diameter (without grid) 0.936 in 23.77 mm
Size - Height (with grid) 0.748 in 19 mm
Size - Height (without grid) 0.668 in 17 mm
Weight 1.08 oz 30.6 gm [1]
* All specifications are at room temperature unless otherwise specified
.


Specification Notes


[1] Typical.
[2] re 250 Hz
[1] Typical.


Accessories


Supplied
ACS-20 Calibration of precision condenser microphones 1


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