TC Electronics Spark Booster

 Schematic is avaiable HERE.

TC Electronics Mojo Mojo Overdrive

 Per request.

The layout stays mostly true to the schematic. One half of the op amps was unused to I used it for buffered Vref which doesn't hurt. Quite an interesting design if a bit over engineered.:-)

TC Electronic Dark Matter Distortion

 Per request. A few things changed compared to the schematic; Bass ctrl outer lugs swapped, the two parallel 220uf power filter caps changed to a single 470uF (but you will get away with a 220uf or 100uf...), series protection diode added and bypass mute switching is omitted. SCHEMATIC.

Steel Panther "Face Melter"

Update 220110.

New layout from scratch. Verified and with no oscillation issues.