Ampdog
R.I.P. 23 June 2022
I recently came across this quite extensive and authoritative document on all sorts of aluminium capacitors. The publisher is Cornell-Dubilier, one of the most respected capacitor manufacturers in the world. It is semi-technical, with many tables and graphs. It 'explodes' quite a few urban legends regarding capacitors. It spans 22 pages, good for downloading. I would consider it an essential background for those who do any kind of amplifier designing.
www.cde.com/resources/catalogs/AEappGUIDE.pdf
www.cde.com/resources/catalogs/AEappGUIDE.pdf