MPA215 1/2-inch free field Microphone Set（MP215、MA231）
BSWA ICCP microphones, MPA231/215, utilize the outstanding performance of BSWA's MA231 ICCP preamplifier coupled with the high quality line of 1/2" prepolarized microphones. MPA215 is a combination of MP215 microphone and MA231 preamplifier, which can be separate into MP215 and MA231 according to user’s application.Using ICCP microphones have many advantages over traditional 200V polarized microphones.
MPA261/265 is ICCP TEDS microphone with a combination of BSWA 1/2’’ microphone and TEDS preamplifier MA211.
Features:
● 1/2-inch free-field microphone
● Sensitivity (@250 Hz): 40 mV/Pa (-28 dB re 1V/Pa)
● Frequency response: 20 Hz ~ 12.5 kHz (±2 dB)
● Dynamic range:21 dBA ~ 137 dB
● Polarization voltage: 0V (prepolarized)
● Pressure equalization:Rear-vented
● Optional TEDS (IEEE.1451.4)
Applications:
● High-Precision Universal Acoustic Testing
● Reflection-Free Free-Field and Hemi-Free-Field Measurements
| Specification | |
|---|---|
| Diameter | 1/2 inch |
| Microphone Capsule | MP215 |
| Preamplifier | MA231（TEDS optional） |
| Optimized Frequency Response | 20 Hz ~ 12.5 kHz |
| Sensitivity | 40 mV/Pa |
|
Dynamic Range (dBA) |
23 ~ 135 |
|
Inherent Noise (dBA) |
23 |
|
Output Impedance (Ω) |
< 30 |
|
Temperature Coeffcient (dB/°C) |
<± 0.3 dB (0 ~ 40 °C) with 250Hz, at reference temperature 23 °C |
|
Humidity Influence |
< 0.2 |
|
Pressure Coeffcient (250 Hz) (dB/kPa) |
-0.03 |
Download information:
MPA215
