Akashic Guitar effects circuit lookup
GAINCONTOURMEDIOSGRAVESAGUDOSVOLUME

1590BB · 6 knobs

Effects Layouts (blog)

Hell's GainVerified

Based on the Handmades HG-1 Hell's Gain· 1 other board clones it

Category
Distortion
Controls
Gain · Contour · Medios · Graves · Agudos · Volume
Layout
Verified · Effects Layouts (blog) marks it as built and working
Tags
Distortion

From the post

Got a request for this one. It was designed by Haroldo Gamal and Leonardo Plautz Chocron. The Hell's Gain is a high gain distortion with an active 3-bad EQ. It's a big one that ended up with a lot of jumpers, but's fairly standard with circuit using a bi-polar supply. It'll fit in a 1590BB or you might be able to squeeze it into a 125B if you turn the board sideways. Enjoy!

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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Check before you build · 1 value the reader of this layout was not sure of
  • 4.7K below the upper TL072 (col 19, rows J-L): reads 4.7K at 6x, at native size it looks like 47K
RefValueNormalizedTypeNotes
Resistors 13
×41M1Mread from the layout by eye
×4100K100kread from the layout by eye
×43.3K3.3kread from the layout by eye
×41K1kread from the layout by eye
×222K22kread from the layout by eye
×247K47kread from the layout by eye
×210K10kread from the layout by eye
×22.2M2.2Mread from the layout by eye
×133K33kread from the layout by eye
×127K27kread from the layout by eye
×12.7K2.7kread from the layout by eye
×14.7K4.7kread from the layout by eye
×16.8K6.8kread from the layout by eye
Capacitors 17
×322nF22nread from the layout by eye
×310nF10nread from the layout by eye
×2220nF220nread from the layout by eye
×21nF1nread from the layout by eye
×1470nF470nread from the layout by eye
×1100nF100nread from the layout by eye
×147nF47nread from the layout by eye
×115nF15nread from the layout by eye
×14.7nF4.7nread from the layout by eye
×11uF1udrawn as a box film cap; read from the layout by eye
×2100pF100pread from the layout by eye
×1470pF470pread from the layout by eye
×1220pF220pread from the layout by eye
×147pF47pread from the layout by eye
×2220uF220uelectrolytic; read from the layout by eye
×222uF22uelectrolytic; read from the layout by eye
×310uF10uelectrolytic; read from the layout by eye
Diodes 2
×21N40071N4007read from the layout by eye
×11N40011N4001read from the layout by eye
Transistors 1
Q1BC557BC557read from the layout by eye
ICs 2
×3TL072TL072read from the layout by eye
×1ICL7660SICL7660Sread from the layout by eye
Potentiometers 6
GainA1MA1MPotentiometerread from the layout by eye
ContourB20KB20kPotentiometerread from the layout by eye
MediosB100KB100kPotentiometerread from the layout by eye
GravesB100KB100kPotentiometerread from the layout by eye
AgudosB500KB500kPotentiometerread from the layout by eye
VolumeA100KA100kPotentiometerread from the layout by eye
LEDs 2
D1Red LEDRED LED5mm, clipping; read from the layout by eye
D2Red LEDRED LED5mm, clipping; read from the layout by eye

Other boards based on the Handmades HG-1 Hell's Gain