Build - Pedal Project: LPB-1
The Electro-Harmonix LPB-1 is a classic boost circuit. It is a very barebones boost based around a silicon transistor. Its low parts count makes it a great project for inexperienced builders, and also makes it a good candidate for turret board builds in smaller enclosures like a 1590B. LPB-1 can be used to drive your tube amp into breakup, and it is a favorite to boost the input of a big muff for even more saturation.
See Figure 2 in our Guitar Pedal Footswitch and Jack Wiring article for the recommended footswitch and I/O wiring.
|100 nF||2||C-MKT-D1-400||Film cap|
|100k Audio||1||R-VAM100KA-SS||Volume Control|
|100 kΩ||1||R-I100K||Carbon Comp Resistor|
|10 kΩ||1||R-I10K||Carbon Comp Resistor|
|1 MΩ||2||R-J1M||Carbon Comp Resistor|
|390R||1||R-I390||Carbon Comp Resistor|
|Black/red LED||1||P-LPW-FLATBK-R||Prewired LED|
|Low Profile jack||2||S-H534||In/Out jacks|
|Lumberg low profile DC jack||1||P-JBLB-IN-U||DC jack|
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