This image is a derivative work of the following images: File:Linkwitz.svg licensed with Cc-by-sa-3.0-migrated, GFDL, GFDL-user-en-note 2006-11-08T17:19:42Z...
gnuplot with the following script: set terminal svg fname "Times" fsize 24 size 800 600 set output "linkwitz.svg" set samples 1000 # Magnitude plot of Butterworth...