I built this mini guitar amp based on this circuit. But I used a 4 watt speaker rather than the 8 watts specified. What are the consequences of that change? [more inside]
posted on Mar 17, 2008 - 8 answers

I'm going to embark on a stompbox-building adventure, and I'd like to know how much one can mess things up. [more inside]
posted on Oct 21, 2007 - 13 answers

Follow-up-on-somebody-elses-post (filter): Okay, so I'd like to make an eBow from scratch. Here's the schematic available. Can you help out? [more inside]
posted on Aug 2, 2007 - 10 answers

Help with a volume pot that won't turn off. [more inside]
posted on Sep 14, 2006 - 7 answers