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Distortion Plus
Building Manual

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Summary of Contents for EPK Distortion Plus

  • Page 1 Distortion Plus Building Manual...
  • Page 2 Effect Pedal Kits: The Distortion Plus kit is a vintage distortion based in the original MXR Distortion+ that has been around for more than 40 years! It uses an operational amplifier along with two germanium diodes to produce a crunchy clipping perfect for metal. Some guitarist that use or have used it are Randy Rhoads with Ozzy Osbourne, Dave Murray of Iron Maiden and Thom Yorke of Radiohead.
  • Page 3 BOM (1/2) Resistors (8) Capacitors (8) R1, R2, R3, R5, R7 C1, C7 1u (electrolytic) R4, R8 10u (electrolytic) 4.7k C3, C8 10p (ceramic)
  • Page 4 BOM (2/2) Diodes, Transistors and ICs Generic Parts and Potentiometers TL071 Battery clip D1, D2 1N4148 DC Jack RLED 1k LED resistor LED Bezel 3PDT IN, OUT 6.35mm Jacks 500kB Gain 50kA...
  • Page 5: Component Placement

    Component Placement...
  • Page 6: Board Layouts

    Board Layouts 3PDT PCB Effect PCB...
  • Page 7 Building Tips 1- Pay attention to the orientation of the 3PDT! In the following picture you can see how the 3PDT pins should be positioned (inserting the pins in the holes can be a bit tight to avoid movement while soldering): 2- For a proper soldering you just have to apply the right amount of solder wire.
  • Page 8 Building Tips 5- Pay attention to the parts that have a polarity and make sure they are connected as in the component placement picture: - ICs (they have a small dot or indication that must fit the indication in the board - Electrolytic capacitors (longer pin is connected to the “+”...
  • Page 9 Building Tips 6- With the kit we include plastic PCB supports with an adhesive bottom. You can use them to anchor the PCB to your enclosure for a better stability. Just insert the PCB support tip into the 3.5mm holes and remove the adhesive protective film.
  • Page 10 Schematic...