Bass Overdrive

This is a bass overdrive built from PCBs from GuitarPCB.com. The boards were professionally made. The layout is good, with pots mounted to the PCB. The  LED is also mounted to the PCB. Actually everything goes through the PCB, except for the ground wire from the battery clip. The system seemed to work well and makes for an easy wiring job.

The boards included a system to use a bi-color LED. With a single red/green LED, the LED would show red when the effect was on and bypassed, and show green when the effect is engaged. While I appreciate the ingenuity, I didn’t choose to implement this feature. I feel if the light is on I’ll think the effect is engaged. Everything else I have works this way.

The build was pretty easy. I used parts I had on hand. This build doesn’t use any non standard parts. This effect relies on overdriving JFETs. Using two MPF102, and a single 2n5457. Nothing too special the claim is carefully chosen caps make the system work well with bass.

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