MP411 Microphone
MP411 is a 1/4-inch free-field microphone developed by BSWA. According IEC61672 Class 1 standard.Sensitivity (@250 Hz) :2 mV/Pa (±2 dB)
Frequency Range: 10 Hz ~ 40 kHz
MP411 is available for acoustic measurement in free field and semi free field such open air, vehicle, anechoic chamber and reverberation room. Each MP411 is provided with individual calibration data chart including sensitivity, frequency response and so on before delivery.
Specifications
|
Sound Field Type |
Free-field |
|
Diameter |
1/4 |
|
Level (IEC61672) |
Class 1 |
|
Frequency Response Range (Hz) |
10 ~ 40k |
|
Open-circuit Sensitivity @250 Hz (mV/Pa) (±2dB) |
2 |
|
Dynamic Range (dBA ~ dB) |
45 ~ 168 |
|
Base Noise (dBA) |
<45 |
|
Pressure Equalization |
Rear vent |
|
Operating Temperature Range (℃) |
-30 ~ 80 |
|
Operating Humidity Range (RH) |
0 ~ 98% |
|
Capacitance (pF) |
6 |
|
Equivalent Volume of Front Space @250 Hz (mm3) |
0.6 |
|
Temperature Coefficient (dB/℃) |
-0.02 |
|
Humidity Coefficient (dB/%RH) |
0.003 |
|
Pressure Coefficient (250 Hz) (dB/kPa) |
-0.007 |
|
Dimensions |
IEC 61094-4 Type WS3 |
|
Mounting Thread for Preamplifier |
M 5.7 mm × 60 UNS |
|
Preamplifier Type |
MA401 |
Download information:
MP411 Microphone_Brief
