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The situation reported has been presented unfairly we believe and includes completely false information regarding PurePower.
 
We were working to solve a problem with a PurePower installation in California for over a year providing three replacement units and various solutions which were not effective.

The customer reported to us that the sound when using the PurePower output was extremeley good - and just what he was trying to accomplish - but when he ran it from his house power it had a buzzing noise coming from inside the unit. When he ran it on battery mode it was absolutely perfect. 
 
All three units we shipped to him functioned perfectly - and silently - on initial build and later on return inspection. 

In addition we designed and built a specialized outboard filtering device to test for noise in either the incoming utility AC, the house ground lines or possibly the AR amplifier. The filter did not resolve the issue, eliminating electrical noise. We explained to the customer that the only other cause we could imagine to create input filter coil noise was severe harmonic distortion. We provided a detailed explanation of the causes of harmonic distortion in utility power. 

After over a year, the customer finally disclosed that he had a full solar installation with inverters attached to his home, generating extremely high harmonics.  Had we known he had a solar install, we would have had a solution almost immediately instead of trying to find a fix for something that wasn’t broken inside the PurePower unit.
 
There was no claim that the PurePower units did not provide perfect and isolated regenerated AC, or that the desired performance improvement of the connected components was not met. The entire issue was the off grid solar power causing loud resonant harmonic buzzing in our input filter circuits at a level we have never before heard - ever.  

We did not get an opportunity to resolve the problem once it was finally correctly diagnosed and that the power problem was not from the utility power - but from faulty solar power. (By the way - we have provided a number of sucessful solar power installs to improve solar power inverter power for audio systems.)
 
Regardless, we will ensure that the customer receives full restitution as warranted. We did not refuse to refund his purchase price at any time. We simply promised to accept his return - after a full year - resell that unit to another customer  and provide a full refund the minute it is sold. We feel that is eminently fair for a custom built product. 
 
p.s. The unit in question, a PurePower Gold 3000 model with lithium battery pack and gold/ silver power path and internal wiring is available for $5995 - compared to its MSRP of $10,700. It is fully tested and is fully warranted.

On the matter of “The Real” PurePower:
 
- PurePower began in 2003 with 100% North American parts, manufacturing and assembly with 1st Gen models.
- In 2006 we outsourced some board production to Taipei for the 2nd Gen models with the remainder of production and assembly in Canada.
- We slowly increased outsourcing of parts over the next 5 years until most of the unit was produced and assembled overseas.
- In 2011 our primary supplier attempted an outrageous brand and product theft. This is fully documented in the court papers made available on our web site and was resolved completely in our favor (against the ProPower people) by the 6th Circuit in Florida with an award of $650,000. This award remains entirely outstanding. We maintain no relation with the former supplier in any way and they remain under permanent court injunction. 
- 2012 was occupied with the above legal issues, and a full year of design of our 3rd Gen “Plus” models as well as bringing all production and assembly back to Canada.
- A long and difficult period of recovery ensued. The disruption to the company caused by the attempted hijacking of our brand and products were severe with years of lingering effects.
- 2017 through this year saw our development and release of the new 4th Gen. PurePower Gold product line – also with North American production and assembly in our Canada facility.
 
PurePower makes great AC regeneration products. We believe we deal in good faith and try to provide good and timely service to our dealers and customers. In this case we went well beyond normal support and incurred significant expenses, that it turns out were unneccessary.

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