MXR™ DISTORTION +/DOD™ 250/ROSS™ DISTORTION RTS PCB

One ready-to-solder PCB for four classic op-amp distortions: the MXR™ Distortion+™, DOD™ 250 Overdrive, '77 Gray 250 Overdrive and Ross™ Distortion.

About the effect

These pedals are close relatives: simple 741-style op-amp circuits with diode clipping that deliver a raw, 1970s-flavored distortion with just two knobs. The DOD™ 250 and the Ross™ Distortion are both very similar to the MXR™ Distortion+™, so they share this board, and GGG notes the 741 IC is essential to the sound of the DOD™ 250 and Ross™ versions. Each version has its own bill of materials and schematic on the project pages.

Specs

• PCB size: 5.4cm x 3.2cm
• Solder mask, plated-through holes and silkscreen for component placement
• Jumpers are included in the top layer, so there is no need to solder in any jumpers

Also builds

The following distortion effects can be built with this PCB; click any link for complete instructions:

• MXR™ Distortion Plus™
• DOD™ 250 Overdrive
• '77 Gray 250 Overdrive
• Ross™ Distortion

Build resources

• Build instructions (PDF)
• Distortion Plus™ parts layout and wiring diagram, DIST2 PCB (PDF)
• General build instructions (PDF)

Trademarks mentioned here belong to their owners, not General Guitar Gadgets.