aion PEPPERMILL Manual Download Page 1

RUNOFFGROOVE PEPPERMILL

1

PROJECT NAME

PEPPERMILL

BASED ON

EFFECT TYPE

PROJECT SUMMARY

DOCUMENT VERSION

Runoffgroove Peppermill

A super-simple drive created by boosting the signal into a J201 JFET until it clips in a tube-like manner.

JFET overdrive

1.0.0 (2020-06-05)

BUILD DIFFICULTY

Easy

Actual size is 2.3” x 1.86” (main board) and 1.78” x 0.86” (bypass board).

Summary of Contents for PEPPERMILL

Page 1: ...T SUMMARY DOCUMENT VERSION Runoffgroove Peppermill A super simple drive created by boosting the signal into a J201 JFET until it clips in a tube like manner JFET overdrive 1 0 0 2020 06 05 BUILD DIFFI...

Page 2: ...adaptation of the original circuit with one modification the addition of a tone control The original circuit has a R C lowpass filter right before the volume and by making the resistor value adjustabl...

Page 3: ...1uF Electrolytic capacitor 4mm C4 47n Film capacitor 7 2 x 2 5mm C5 2n2 Film capacitor 7 2 x 2 5mm C6 100uF Electrolytic capacitor 6 3mm Power supply filter capacitor C7 100n MLCC capacitor X7R Power...

Page 4: ...designs but was discontinued in TO 92 through hole format several years ago and is becoming very scarce Genuine parts are getting expensive and many counterfeits have entered the market The MMBFJ201 i...

Page 5: ...00uF 250kB 100kC GND 100kA 9V 100n VA 22n 1M 1M 2N7000 4k7 1k VA GND GND 68n 100k GND J201 50kB VA 1k GND 1uF GND 47n 5k1 2n2 GND GND D1 C6 GAIN 1 2 3 TONE 1 2 3 VOLUME 1 2 3 IN OUT C7 C1 R1 R2 Q1 R3...

Page 6: ...assumes the use of closed frame jacks like the Switchcraft 111X If you d rather use open frame jacks please refer to the Open Frame Jack Drill Template for the top side LED hole drill size assumes the...

Page 7: ...RUNOFFGROOVE PEPPERMILL 7 ENCLOSURE LAYOUT Enclosure is shown without jacks See next page for jack layout and wiring 125B...

Page 8: ...RAM 125B IN V GND N C N C OUT PCB IN GND V V JACK GND JACK OUT IN GND GND PCB OUT Shown with optional 9V battery If battery is omitted both jacks can be mono rather than one being stereo Leave the far...

Page 9: ...FX projects These projects are for personal use only and may not be used for commercial endeavors without approval from Runoffgroove Here are the terms of use from their site runoffgroove com projects...

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