This is a library of perfboard and single-sided PCB effect layouts for guitar and bass. I'm not an electrical engineer by any stretch of the imagination, just a DIY'er who likes drawing layouts. It is meant for the hobbyist (so commercial use of any of these layout is not allowed without permission) and as a way to give back to the online DIY community.

Tuesday, June 16, 2015

Pink Jimi Photon Photonic Juergulator Mk 2

Here's Jimi's (second) take on the Harmonic Percolator circuit. Like the original, Jimi's circuit uses germanium and silicon transistors, but with much more attainable components. Here's a link to his schematic, and be sure to read his notes on changing transistors. The 47µ cap he references is located between the 2 transistors directly in the middle of the board. I've added polarity protection and power filtering. Pots can be mounted from the solder-side of the board using right angle PCB mount pots.




3 comments:

  1. so i verified it! used pnp Ge mp42b, hfe=55, bc 550 hfe 400, tweek pot used 50k, & changed resistor from 47k to 1k ( in my case), Perc pot = 1mom & remove 470k resistor, volume=50k, harmonic 100 k, or 200k, or 500k. I left 200k. Its a great harmonical saturated fuzz from hard to velvet soft sounds!

    ReplyDelete
    Replies
    1. Man you're knocking them out! Thanks Zzoyd!

      Delete
    2. O, thanks you, David!This Man inspirated me on all that fuzzes =) https://www.youtube.com/watch?v=IzrTL0RnSVY&fbclid=IwAR1kcV6fcedRa7imF_g9MC2e1gkuClwV4rcUEpclXhVjJZ4LMiJkRrXW1JA

      Delete