Akashic Guitar effects circuit lookup
CHARACTERTONEMIDBRIGHTGAINVOLUME

Enclosure not stated · 6 knobs

Dirtbox Layouts

MI Audio Blue Boy Deluxe Overdrive

Based on the MI Audio Blue Boy Deluxe Overdrive· 2 other boards clone it

Category
Overdrive
Controls
Character · Tone · Mid · Bright · Gain · Volume
Build
Vero· 19×14· 18 cuts, 7 links
Layout
Unverified · no build reported at Dirtbox Layouts yet
Tags
MI Audio, Overdrive

From the post

Schematic is avaiable HERE.

...and by request another layout with with mods by asbestosaurus at FSB.

R1 and R2 is the suggested values but they can be tinckered with for more or less overall output.

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 Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.

Parts list 28 rows

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RefValueNormalizedTypeNotes
Resistors 9
×41M1Mread from the layout by eye
×322K22kread from the layout by eye
×1150Ω150read from the layout by eye
×1470Ω470read from the layout by eye
×11K1kread from the layout by eye
×12.2K2.2kread from the layout by eye
×1100K100kread from the layout by eye
×1220K220kread from the layout by eye
×1??LED resistor, value not given; read from the layout by eye
Capacitors 7
×14.7pF4.7pread from the layout by eye
×2220pF220pread from the layout by eye
×11nF1nread from the layout by eye
×422nF22nread from the layout by eye
×21uF1uelectrolytic; read from the layout by eye
×11.5uF1.5uelectrolytic; read from the layout by eye
×3100uF100uelectrolytic; read from the layout by eye
Diodes 5
D11N41481N4148read from the layout by eye
D21N41481N4148read from the layout by eye
D31N41481N4148read from the layout by eye
D41N41481N4148read from the layout by eye
D51N40041N4004read from the layout by eye
ICs 1
IC1JRC4558DJRC4558Dread from the layout by eye
Potentiometers 6
CharacterC1KC1kPotentiometerread from the layout by eye
ToneB100KB100kPotentiometerread from the layout by eye
MidA20KA20kPotentiometerread from the layout by eye
BrightC10KC10kPotentiometerread from the layout by eye
GainA100KA100kPotentiometerread from the layout by eye
VolumeA100KA100kPotentiometerread from the layout by eye

Other boards based on the MI Audio Blue Boy Deluxe Overdrive