I have a friend that gave me an elma 04A2R00 attenuator (without the resistors) and I want to use it to make a passive attenuator and 2:2 switch like the JDS OL Switcher. Can any of you point me in the right direction on how to create something like that and what resistor values I should use?

Has anyone tried out the DIY USB DAC kits on ebay with the SMD parts already soldered? http://www.ebay.com/bhp/usb-dac-diy?rmvSB=true I was thinking of buying one, but I don't know which to get...

I am interested in making a DIY DAC in the sub-$200 price range that is powered with a wall wart instead of through the USB port. I like the PupDAC, but think I'd need a DoodleBug to make it shine. I've been looking online for powered DIY USB DACs, but haven't had much luck. This is going to...

I just got a Creek OBH-21SE Headphone Amp, which has done wonders for my AKG K7XX and K553 PRO headphones. Now I am looking for a DAC that I can pair with them to up the clarity some more. Any recommendations?