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APS audio transformers

Custom audio transformers

Flaws in PS Audio MK2 Info and flaws of units being sent out to customers.

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Here are some photos of what we are finding in some customers PS Audio MK2 units. 
Our units have been running our nickel transformers continuously for a year with no issues.  Our transformers cannot cause damage of any kind to the DAC unless installed improperly. 

We also have sweeps of the stock unit and units with our transformers for comparison.  

About Us

We have been designing and building custom upgrades for the directstream DAC since 2019


You can read some reviews and find out some more info about our products here and here



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We are located in the

Baltimore / Washington area