I'd love to be able to afford a DDAC but it's impossible so I bought a dual dac board from Aliex.
Its an LHY Audio product as is my SPDIF to I2S board that uses a Dir9001.
I didn't buy it with the opamps as I planned on using my Sowter I/V transformers.
Pleasingly it worked first time and sounds very good both via optical (LG Oled tv) and coax (Teac VRDS10) inputs.
I used 150R 0.1% I/V resistor which give the correct output level. The dacs are correctly configured for Mono, I2S, Left and Mono, I2S, Right.
It is powered from my 8ah Lithium power box which provides +18 and +7v and are regulated down to +5 for the digital part and +12 for the analogue sections. Onboard regulators then reduce the 5v to 3,3 and the 12v down to 5v..
I e xperimented with the secondary load resistor and found 3k3 to give the best results at the expense of a about a 3db drop in output (when loaded with the 22k input impedance of a Behringer UCA222.
I did a few checks using REW's spdif output and nothing untoward was seen.
Frequency response is flat as is phase zero degreee.
Its an LHY Audio product as is my SPDIF to I2S board that uses a Dir9001.
I didn't buy it with the opamps as I planned on using my Sowter I/V transformers.
Pleasingly it worked first time and sounds very good both via optical (LG Oled tv) and coax (Teac VRDS10) inputs.
I used 150R 0.1% I/V resistor which give the correct output level. The dacs are correctly configured for Mono, I2S, Left and Mono, I2S, Right.
It is powered from my 8ah Lithium power box which provides +18 and +7v and are regulated down to +5 for the digital part and +12 for the analogue sections. Onboard regulators then reduce the 5v to 3,3 and the 12v down to 5v..
I e xperimented with the secondary load resistor and found 3k3 to give the best results at the expense of a about a 3db drop in output (when loaded with the 22k input impedance of a Behringer UCA222.
I did a few checks using REW's spdif output and nothing untoward was seen.
Frequency response is flat as is phase zero degreee.
