Thanks for the tip. I'll take a second look. The opamps looked in tact but maybe I missed it. I've read that reverse polarity usually takes out a diode or two near the power jack but they look fine. I do this as a hobby now (retired) so I won't charge much (maybe 12 pack of beer or toilet paper) if ...

A neighbor referred a friend to me to look at his MXR EVH Phase 90 that didn't work. I figured it would be a loose pad on jack/switch/pot etc.,. I plugged it in and if I hit a chord hard I'd get a nastly "blatttt" and that was it. I pulled it apart and found it was all SMD construction. Al...

I'd like to order some simple, single layer PBCs via one of the on-line PCB services. I've looked around and haven't found any that make a simple single sided board. The ones I've found have a minimum of 2 layers. Anyone aware of anyone who produces old fashioned single layer PCBs?

My first post here. I stumbled on the Dumbloid/Big Bloom phenom late last year. The samples I saw on youtube sounded pretty okay. I built mine on a tonepad ts-808 board since I've built quite a few TS varients and have several unused boards. I used the tonepad schematic that had the new Dumbloid val...