Skip to content

IEPE Microphone including preamplifier and prepolarized microphone capsule

Precision Microphone MP30

The low background noise of less than 18 dB(A) and the linear frequency response from 10 Hz to 20 kHz is ideal for almost any precision measurement.

½" Free Field Microphone

The MP30 condenser microphone set consisting of a ½” microphone capsule with preamplifier can be connected to all measuring devices with IEPE sensor supply.

  • Class 1 and WS2F according to IEC 61094-4
  • Sensitivity 40mV/Pa
  • IEPE constant current supply 2-20 mA | Bias: 12.5 Volt 
  • Polar Pattern: Omnidirectional
  • Frequency Response: 10Hz – 20kHz
    10Hz – 4kHz: ±0.5dB
    4kHz – 20kHz: ±1.5dB
  • Acoustic noise floor 18 dB A-weighted
  • Measuring range 18 dB(A) to SPL Peak (3% Dist.) 146 dB

Scope of delivery:

  • ½” microphone capsule pre-polarized
  • ½” IEPE mic preamp
  • WS-RG-80 windscreen

MP30 Microphone Capsule Specifications

Model
MP30 Capsule IEC 61094-4 Type WS2F
Diameter
1/2″
Frequency Range
10 ~ 20,000 Hz
Responce Type
Free field
Electrode Forming Voltage
0 V
Sensitivity (dB re 20 μPa)
40 mV/Pa (± 3 dB)
Capacitance at 250 Hz
18 pF
SPL Max.
at 250 Hz Distortion <3%
146 dB
Intrinsinc Noise Level
18 dB (A)
Operating Temperature Range
-20 °C ~ +60 °C
Operating Humidity Range
25 % ~ 90 %(RH)
Temperature Characteristics
0.01 dB/C° Maximum
Humidity Characteristics
0.001 %(RH)
Aging Drift
0.2 dB/Year
Storage Temperature Range
-20 °C ~ +60 °C
Storage Humidity Range
25 % ~ 90 %(RH)
Venting
Rear
Outer Dimensions
Ф 13.2 mm x 16.0 mm
Weight
8.3 gram

Microphone Preamplier Specifications

Model
MP30 Preamplifier
Frequency Response (re. 250 Hz)
0.1 Hz ~ 10 Hz ± 3 dB
10 Hz ~ 20 kHz ± 0.1 dB
10 Hz ~ 200 kHz ± 0.2 dB
Gain
-0.1 dB
Intrinsic Noise
(20Hz ~ 20kHz)
<5 μV A-weighting
Distortion(THD) @1kHz 1 V
<0.1%
Output Impedance
<50Ω
Max. Output Voltage
5 V RMS
IEPE Power Voltage
18 V ~ 30 V | Bias : 12.5 Volt
IEPE Current
2 mA ~ 20 mA
Polarization Voltage
0 V
Dimensions
Ф12.7mm × 70 mm
Weight
<20 g (cable not included)
Operating Temperature
-20°C ~ + 60°C
Humidity
25 %~ 90 %(RH)
Atmospheric Pressure
65 kPa~108 kPa
Connector Type
BNC
Thread for Microphone
Capsule Mounting
11.7 mm-60 UNS