Italian R2R ladder DAC, no CPID/DSP

[hardcore]

Thanks. I tried the Soekris latest DAM 1021 but found the treble lacking compared to my AD1862 finished Audio Note Dac.

 

[batteryman]

I'm planning a quad AD1862 dac next. I've had the pcbs for a few years but have to decide whether to use Iancanada's I2S to PCM board or design a simple spdif interface and HC02 gates as used by Audio Note. (I once owned a AD1865 DAC1 kit)

 

[chiurutu]

Hi, attached my method used for to have dual digital data for dual dac and balanced output. In my opinion very simple.
Stefano

 

[batteryman]

That's similar to how Audio Note separate the data into L & R for an AD1865

I am favouring discrete logic to CPLDs/FPGAs at present, especially after listening to Stefano's R2R dac for several months and look forward to receiving his dual 1541 dac, also with discrete logic.

I have concluded that technical excellence rarely means audio excellence and the less digital signal processing the better.