Internal standing waves – How to eliminate them from speaker boxes
How to deal with unwanted enclosure resonances? Dealing with internal standing waves can be a pain. These are most often encountered when building floorstanding speakers. Since they have a more…
Audio peak filter circuit – with practical example
How to flatten peaks in the frequency response? Implementing an audio peak filter circuit in your passive crossover design can sort out unwanted bumps in frequency response. These are normally…
Group delay explanation and measurement
What is group delay? Let’s try to give a beginner friendly group delay explanation. First of all, you will find the term group delay in all kinds of areas which…
ZMA impedance file – how to make one
Generating a ZMA impedance file If you want to make a ZMA impedance file, there are certainly several ways you could achieve this. First of all, you need a device…
How to make a FRD file – using ARTA software
How do I generate a file with the FRD extension? If you have done frequency response measurements before, learning how to make a FRD file should be a piece of…
Baffle step calculator – with circuit examples
How to compensate for diffraction gain? To simplify things, you can use a baffle step calculator, devise a simple circuit, and reduce the boost in higher frequencies caused by the…
Learn loudspeaker design from scratch
