SpeakerBox Filter Designer
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Speaker Box Filter Designer is a simple and useful software for calculate the first and second order passive audio filter for 2 way and 3 way speaker box .
Version 3 includes now coil calculator based on Harold Wheeler formula for multilayer air core inductance.
Version 2 includes calculator for first, second and third order (high pass and low pass) Bessel and Buterworth active filters type.
Speaker Box Filter Designer audio filter calculator is a very simple program that provide a simple calculations of values for all components used in passive audio filters for speakers .
Also with this audio filter calculator software you can calculate the numbers of turns required by coils used in audio filters .