Good hearing from you Todd. Your mods look quite good. JFET's have been popular for high end audio for quite some time. I used them in a tube preamp I built many years ago.
Modding the PS Audio Directstream DAC MK1 and MK2
I would like to continue discussing all the mods we have created for these two DAC's as it seems PS Audio is no longer allowing discussions about them on their forum.
For reference here is a link to the closed discussion.
https://forum.psaudio.com/t/modding-the-directstream-dac-mki/2680
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- 231 posts total
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Sunlight is the last firmware (newest) for the MK1. Did you mean an older version? Here is the order of firmware for the MK1. FMC-09 6115 2014 |
Any updates on the 8139 opamp modification WRT availablity and cost? Understood this is a send in your board modification. You have already performed the Vocm cap and nickel xformer mods. So pleased with this modded MK1, but if the 8139 opamps can provide further performance I’m interested. I suspect this mod will be an improvement, just not as night and day as the Vocm cap and nickle transformer mod, eh? |
- 231 posts total