JK Richards PS Audio DSD MKI transformer upgrade

@jk_richards Is this firmware you wrote for the MKII

We have come a long way in fixing the distortion and noise issues in these MK1 DAC’s

Here are the original distortion figures.

Here are the FFT of the corrected Limited Edition MK1.

We achieved this by adding snubbers in the correct places.

Approximately a year ago, we began incorporating snubbers into the power supply of the Limited Edition. This significantly reduced the noise floor. This method has not been used in these MK1's previously; however, it made a significant impact, prompting us to conduct R&D on this process for the MK2, where we are seeing considerable success. Further updates will follow shortly...  

Look what happens when you have high (over 2mv) DC offset feeding the transformers.

The Limited Edition upgrade for Directstream has gained significant popularity this year. Last week, we barely managed to maintain our 2-day turnaround. Working 18 hours daily, including weekends.

We have also updated our customer reviews.

Thank You!