Selling a upgraded Sonic Frontiers SFD2 mkII SE+ DAC.
Tubes based, R2R balanced DAC with dual ultra analog D20400A chips.
Uses two 6922/E88CC tubes.
DAC was fully upgraded by Parts Connexion for over $1,200 with new caps & outputs.
Original cost of the DAC cost $5,295. This is still one of the best DAC's on the market.