My name is Seth, I live in Phoenix Az, and was an industrial electrician, but do have an AA in EE. I am shy of my BS by some credits. I worked on lots of instrumentation, PLC, the usual 4-20 mA stuff and some fascinating older relay logic stuff in industries that still were using 25 cycle 2 phase power. I have worked on everything from data to cross country transmission lines and power generating stations. I am no EE, but I have been blackening outlets since age 7 with "experiments" and various projects. When I saw my friends father turn the Radio Shack 300 in 1 into 1 3000 in 1 by showing us stuff that was nowhere to be found in the instruction manual, I was hooked. This guy was an EE for Motorloa's GEG division. I will share what I know, and hope to gain some knowledge from the real EEs on this forum. I now build valve guitar amplifiers, effects for guitar, keyboard, bass, etc. I have finally delved into the DSP part of this now. I am cursing Nyquist, Fourier, tracking and timing errors for doing it too!