Everyday, another TS clone goes out. Another digital amplifier claims to reach the best tube-like sound. Another tube amp costing half your limb is sent to guitar shops around the world. Everyday. This blog aims at giving clues about how pedals, filters, amps work, with schematic analysis and electronic stuff. Don't worry, we'll make it simple ! Just strap on your security belt and be ready to dive into a whole new world - or an already familiar one.