The Pignose G40V is a great little amp.
I use SPICE to model electronics. This is a guitar and amplifier.
The Accutronics reverb module is the best reverb module on the planet.
I built this one into a box to play with.
HardWay Vari-Tone Schematic
Rewiring an ES-335
This blackface Super Reverb is completely original - a rarity.
Much of my work is repairing and customizing guitars and amplifiers, although I often build devices that do interesting things, or adapt vintage electronics to modern purposes.