Transformers

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APS audio transformers

Custom audio transformers

We are no longer offering completed Signature Series or Signature Series PLUS DAC's however we can assist in obtaining a stock unit so we can perform the upgrades for you. We are only upgrading customer units at this time.  You send in your unit to be upgraded.

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