Hey all. So yesterday, the left channel of my k601 failed. It came back for a second, but the moment I adjusted the cans, the line dropped out. Will it be a safe assumption that there's a loose wire in there ? I did a resistance test on the actual jack, and measures 118 ohm between ground...

Hey all. A while ago I built a DoZ headphone amp, with a "dual mono" powersupply (well not really, it's 1 transformer, 1 rectifier, but seperate capacitor banks per channel). As I've currently got it designed, the 0V lines of the seperate banks are connected in a starground, and the headphone...

Did anyone else receive an unsolicited email yesterday from this board in regards to Chinese pcbs ? I think it was from a board member, but is still an inappropriate use of the email feature. Perhaps starting a thread in one of the market place forums, or even here in the DIY forum would be...

Hey all. I've been casually looking at all the other headphone amp designs out there, and what strikes me as odd, is that many designs (such as the PPA or the M3) amplify the ground channel also. Why is that ? I mean, 0V in should be 0V out, and if the ground is anything other than 0V...

Hey all. I've accumulated all the parts I'll need to build a DoZ headphone amp, except one thing, the enclosure, figuring it'll be better to know how much space I'll need, and build a case around everything. Well my heatsink arrived today, and it's 30cm long. I've been looking at par-metal...