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MiniSPL Microphone

MiniSPL Class 2 measurement microphone

The MiniSPL is the ideal accessory for the Acoustilyzer AL1 and Minilyzer ML1. Its self-powered design, the individual factory adjustment and the auto power-off control combine to make MiniSPL an accurate, easy to handle yet affordable measurement microphone. Class 2 acc. IEC 61672

The servo-loop output stage design supports long cable connections between the analyser and the microphone - up to several hundred meters. MiniSPL is also recommended and easy to use in conjunction with PC based measurement systems with high quality audio cards.

The MiniSPL measurement microphone includes following additional items:

  • Windscreen
  • Microphone-holder + Adapter 5/8“ - 3/8“
Technical Data MiniSPL
Microphone Type 1/2”, omni-directional, pre-polarized condenser, free field transducer
Sensitivity (20 ±2) mV//Pa, (-34 ±1) dBV/Pa @ 1 kHz
balanced output; +0.05 dBSPL / °C
Frequency Response 100 Hz - 1250 Hz ±1 dB
20 Hz - 20 kHz ±3 dB
in accordance with IEC61672, class 2
Peak Acoustic Input 130 dBSPL @ 1 kHz
Noise 32 dBSPL, A-weighted
Load Conditions 20 - 200 kOhm balanced, to achieve this always switch PHANTOM POWER off
Power Supply 1 x AA battery 1.5 V, battery lifetime typical 300 hrs,
no phantom power required, phantom power resistant
Dimensions ø 22 x 180 mm, ø 0.87” x 7”
Weight 100 g ( 3.5 oz ) incl. battery
Temperature 0° to +45° C (32° to 113° F)
Humidity 90 % R.H., non condensing
  Conforms to the Normative Standards EMC-Directives: 89/336, 92/31, 93/68
Harmonized Standards: EN 61326-1.
Product code: MINISPL MINISPL 1/2" Class 2 measurement microphone £POA

Calibration Certificate

Although the MiniSPL is factory calibrated before despatch it is not routinely supplied with a calibration certificate but one may be bought if required.

Product code: MINISPL-CAL-CERT Calibration certificate for MiniSPL ordered at the same time as the MiniSPL £POA
Calibration of 1/2" measurement microphone + cert