This is a thread for people to post their (or others') schematics. The idea is to have a thread full of ideas for people to build, improve on, and/or draw inspiration from. Some rules: 1) In a post with a schematic, please include a description of the operation of the circuit. 2) Technical...

I was looking at Mouser's selection of high-voltage electrolytic capacitors, and cam across these. They have crazy low ESR and 5,000 to 15,000 hr lifespans. The price isn't very high, either. They aren't as cheap as some, but they're nowhere near as expensive as boutique caps. Another plus: they...

I noticed that Beyerdynamic sells the drivers to their DT250's and was wondering if anyone has used these in a DIY build. They're relatively cheap compared to common headphones for modding, but probably have just as much or more potential. Links...