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Loudspeaker Electroacoustic Measurements

Loudspeaker testing is more complex than electronics audio testing. 

Accurate sound level measurements require precision measurement microphones and electronics with stable sensitivity and a flat frequency response across the relevant frequency range. 

Measurements are further complicated by the interaction of the loudspeaker under test with the test environment.

In this 33-page application note we provide an overview of the key electroacoustic measurements used to characterize the performance of loudspeaker drive units and systems.

You will learn about the most important objective measurements, with references to relevant industry standards. 

What you will learn: 

  • Frequency Response
  • Sensitivity
  • Input voltage/ power
  • Impedance & Thiele-Small parameters
  • Directivity
  • Distortion