Quote: Originally Posted by ericj I mean the input network just the other side of the RCA jack and TOSLINK receiver. Some posts on diyaudio complained that the values of the components are completely wrong. Edit: But it turns out i might mean something else entirely here. I'm...

Quote: Originally Posted by ericj What do you mean by "take unbalanced signal from the DAC"? - the DAC's output is balanced, the opamp is there to convert it to single-ended. Just connecting signal directly from R- and L- to the single ended valve buffer. Removed four...

Quote: Originally Posted by ericj Yeah, I looked at pictures of 3 or so of these without that pin bent over before i posted here. Also, reading the datasheet, I'm not sure what the idea behind it is. It looks like it just assures that the chip is in SPI mode if anything comes...

Quote: Originally Posted by ericj Just got one of these, and i have to say, boy, the quality. Where is it?! Pin 2 is lifted and bent over to pin 3 on the dac. Easy to fix, but, gives one the impression that these weren't inspected at all. Actually, it is designer's intention...

I'v been advised by seller of such a DAC to use 12-0-12VAC 500mA power supply. You can get centre tapped toroid, but easier and cheaper is to use regular toroid with two secs, 15 VA, and tie two wires from secs together - this connects to "0" on DAC separate AC->DC board. Nuvotem |...