Concrete Distortion Building Instructions v1.0 Table of contents Components ............................3 General guideline for components......................4 General building tips ..........................4 The finished board ........................... 5 Offboard wiring ............................6 Troubleshooting ............................7 Inside Layout ............................7 Drilling template ............................8...
Concrete Distortion Building Instructions v1.0 General guideline for components Capacitors: All values under 1nF should be ceramic disks. From 1nF up to 1uF should be MKT (foil/metalfilm capacitors) and over 1uF use electrolyte caps (or tantalum) 16V+ rated and watch out for polarity! ...
Concrete Distortion Building Instructions v1.0 The finished board Blue = pin1, White = pin2, Yellow = pin3 Green = hot, Black is ground OUT: Blue = hot, Black is ground Adapter: Red = 9V+, Black is ground...
Concrete Distortion Building Instructions v1.0 Modifications You could try to substitute the TL051 for another single opamp like NE5534, TL061,TL071,TL081,LM741. Feel free to experiment! Offboard wiring Anode (long leg) Cathode (short leg) R led Sleeve Ring Ring Output Jack Input Jack Footswitch Notice that in the “off”...
Concrete Distortion Building Instructions v1.0 Troubleshooting All PCB’s have been e-tested 100% in the factory, so there should not be a connection problem on the PCB itself. The board is not working (at all), what now? Check if your 9V is plugged in correctly (and/or soldered correctly on the board).