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/aboutNordost (in 2008) purchased the QRT technology that these folks developed.
Bill Steirhout is the proprietor and the brains behind the ADD-Powr product line.
The product line is listed here:
https://add-powr.com/products
