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Multipoint Measurement Tool (MMT)

Features and Benefits

  • Complete parameter set
  • Cope with rocking modes
  • Automatic post-processing
  • Advanced micro-speaker modelling
  • Separation of enclosure and air load
  • Pure mechanical parameters

The MMT module performs the post-processing of the results of multiple LPM measurements to increase the accuracy of the parameter identification. Spatial averaging of the voice coil displacement measured at multiple points on the diaphragm compensates for rocking modes and other irregular vibration. Additional measurements performed in vacuum and in the final enclosure show pure mechanical parameters of the transducer separated from the acoustical elements. An advanced creep model (Ritter) is supported, which models the significant visco-elastic behavior of micro-speakers.



Requirements

Hardware
Klippel Analyzer 3

Module
LPM - Linear Parameter Measurement

Accessories
Power amplifier
Laser
PC
It is recommended to use coating spray for micro-speakers and tweeters with transparent and shiny diaphragms.


Templates coming with the software

LMP Micro-speaker Multipoint AN50
LPM Measurement batch with 5 measurements in air and 1 in vacuum



Standards

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