Transformers

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APS audio transformers

Custom audio transformers

 

** We will not be accepting new orders from 11/01/2025

 

until the end of the year. We will resume orders on 1/1/2026.

 

 

New Bridge ready Limited Edition unit now available !

 

ONLY ONE BLACK UNIT AVALABLE BEFORE THE NEW YEAR.

*we will include a free bridge ii card with this unit.

 

*Just add the Bridge II upgrade to the Limited Edition Signature Series PLUS DAC

 

 

Our Signature Series PLUS on Steroids.

 

 

Limited number of units.

 

With an upgraded pure copper AC inlet, Silver input wiring, Our discrete 5 Volt regulator, A 50% larger pre regulator cap. Upgraded post regulator cap, Additional post regulator cap, Hand-picked transformers.

For the audiophile who demands the very best.

Unbelievable clarity, dynamics and realism.

 

Click HERE for more info

 

 

*For a limited time: $ave 10% on upgrading your unit.

 

Click HERE for more info

 

Note:  We do not recommend using the USB input.

We also recommend the use of a preamp as the digital volume and attenuator also degrades the sound.

 

Bridge ready upgrade.  We fixed issues when using the Bridge II network card.

 

 

 

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

 

 

Contact Us

Please leave us a message.

 

No Soliciting!

 

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We are located in the Baltimore / Washington area

Payment by PayPal F&F