Akashic Guitar effects circuit lookup
GAINTONELEVEL

125B · 3 knobs

Effects Layouts (blog)

Boss Blues Driver 2Verified

Based on the Boss BD-2 Blues Driver· 9 other boards clone it

Category
Overdrive
Controls
Gain · Tone · Level
Layout
Verified · Effects Layouts (blog) marks it as built and working
Tags
Boss, Overdrive

From the post

I can't remember how many times I've been asked to do this one. I started laying it out ages ago, but got frustrated or interrupted and never went back to it. But here it is now, better late than never. The layout is for board mounted pots and it will fit in a 125B enclosure. Just couldn't seem to get it narrow enough for a 1590B. Schematic can be found here.

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.

Parts list 43 rows

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RefValueNormalizedTypeNotes
Resistors 16
×52.2K2.2kread from the layout by eye
×133K33kread from the layout by eye
×1330K330kread from the layout by eye
×24.7K4.7kread from the layout by eye
×122K22kread from the layout by eye
×1100K100kread from the layout by eye
×11.5K1.5kread from the layout by eye
×21M1Mread from the layout by eye
×310K10kread from the layout by eye
×115K15kread from the layout by eye
×2470K470kread from the layout by eye
×11.2K1.2kread from the layout by eye
×16.8K6.8kread from the layout by eye
×15.6K5.6kread from the layout by eye
×1220K220kread from the layout by eye
×22M2Mread from the layout by eye
Capacitors 14
×247pF47pread from the layout by eye
×2100pF100pread from the layout by eye
×1220pF220pread from the layout by eye
×22.2nF2.2nread from the layout by eye
×25.6nF5.6nread from the layout by eye
×218nF18nread from the layout by eye
×247nF47nread from the layout by eye
×256nF56nread from the layout by eye
×2100nF100nread from the layout by eye
×1150nF150nread from the layout by eye
×11uF1uelectrolytic; read from the layout by eye
×110uF10uelectrolytic; read from the layout by eye
×147uF47uelectrolytic; read from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
Diodes 2
×61N41481N4148read from the layout by eye
×11N40011N4001read from the layout by eye
Transistors 7
Q1J201J201JFET; read from the layout by eye
Q2J201J201JFET; read from the layout by eye
Q32N39062N3906read from the layout by eye
Q4J201J201JFET; read from the layout by eye
Q5J201J201JFET; read from the layout by eye
Q62N39062N3906read from the layout by eye
Q72N39042N3904read from the layout by eye
ICs 1
×1TL071TL071read from the layout by eye
Potentiometers 3
GainA250KA250kPotentiometerdual; read from the layout by eye
ToneB10KB10kPotentiometerread from the layout by eye
LevelA100KA100kPotentiometerread from the layout by eye

Other boards based on the Boss BD-2 Blues Driver