Interesting. I'm tempted to try this out. I have access to a quality soldering iron and can use it decently well (I'm typing this on an ergodox keyboard I built

Interesting. I'm tempted to try this out. I have access to a quality soldering iron and can use it decently well (I'm typing this on an ergodox keyboard I built from a kit). There is something very satisfying about building something yourself that you get use out of every day. Such an amplifier is likely to fall into that category for me.