ADD-Powr by Coherence Systems --- Power Conditioning Products
Recent research into power conditioning approaches and products brought ADD-Powr to my attention. This company, and it’s products, were previously unknown to me.
The company, Coherence Systems, is based in Santa Monica, CA. and has been in business for some time.
An introduction and general overview can be found within their ’About Us’ page: https://add-powr.com/about
Nordost (in 2008) purchased the QRT technology that these folks developed.
Bill Stierhout is the proprietor / owner and the brains behind the ADD-Powr product line.