The folks at [ElectroSmash] recently released 1Wamp – a one watt, open hardware, Guitar amplifier ... of a JFET based pre-amplifier, a Big Muff Pi a.k.a BMP based Tone control and an LM386 ...

[fichl] plays electric guitar ... this tiny amp does not. Instead of upgrading, [fichl] came up with a device that turns his single channel amp into a completely programmable one, with just ...