Quote:
Originally Posted by tdelahanty
This device looks remarkably similar to Nordost's QV2 which also claims to be an AC line harmonizer.
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Actually they are closely related in that they both use technology developed by Bill Stierhout. His initial designs were marketed under the Quantum Products label using Quantum Resonance Technology. In 2008 Nordost purchased Quantum Products and used the technology is several of their power products. Bill's company Coherence Systems later introduced their ADD-Powr™️ product line which incorporates their latest developments in the field.
https://add-powr.com/about