A Speaker Maker's Journey

A question on Audiogon about using completely independent ground for audio gear.  The question I was asked was:  Can you explain to me why ...

 This is a simulation of my recently completed 3-way speakers with the midrange inverted.   

I wrote a long article on EPDR , but realized I needed to simplify it for non technical readers. Here it is.  SOA  Amplifier output transist...

Basics of Hard to drive Speakers Basics of Hard to drive Speakers ...

EPDR is Not What I thought EPDR is Not What I thought Author ...

Please note that this article is superseded by more research done here: Stereophile and Equivalent Peak Dissipation Resistance .   We leave...

Here's a fix that maybe 4 other people on earth will need.  I had this happen on Ubuntu 24.10, but it's quite possible if you attemp...