MP451 1/4-inch pressure-field Microphone
MP451 is 1/4’’ pressure-field microphone.
Features:
●1/4-inch pressure-field microphone
●Sensitivity (@250 Hz): 4 mV/Pa (-48 dB re 1V/Pa)
●Frequency response:10 Hz ~ 50 kHz (±2 dB)
●Dynamic range: 35 dBA ~ 164 dB
●Polarization Voltage: 0V (prepolarized)
●Pressure equalization: rear-vented
●Compatible with 1/4-inch ICCP-powered preamplifiers
Applications:
● High precision general purpose acoustic measurement
Technical Parameters
| Specification | |
|---|---|
| Diameter | 1/4 inch |
|
Open-circuit Sensitivity (mV/Pa) (±2dB) |
4 |
| Capacitance | 6pF |
| Response | Pressure Field |
| Polarization Voltage | 0V |
| Frequency Response | 10 Hz ~ 50 kHz |
| Dynamic Range | 35~ 164 dB |
| Cartridge Thermal Noise | < 35 dB (A) |
| Pressure Equalization Vent | Rear Vented |
| Operating Temperature | -30°C ~ 80°C |
| Operating Humidity | 0 ~ 98% RH |
| Equivalent Air Volume (250 Hz) (mm3) | 0.6 |
| Temperature Coefficient | -0.02dB/°C |
|
Humidity Influence |
< 0.1 |
| Pressure Coefficient (250 Hz) | - 0.007 dB/kPa |
|
Screw Thread |
M5.7 – 60UNS |
Download information:
MP451
