Akashic Guitar effects circuit lookup
BIASGAINTONELEVEL

Enclosure not stated · 4 knobs

Dirtbox Layouts

EMMA ReezaFRATzitz FR1

Based on the EMMA ReezaFRATzitz· 4 other boards clone it

Category
Distortion
Controls
Bias · Gain · Tone · Level
Build
Vero· 21×21· 29 cuts, 10 links
Layout
Unverified · no build reported at Dirtbox Layouts yet
Tags
Distortion, EMMA, Overdrive

From the post

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

Parts list 24 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • 120Ω (two of them, top right near D3): printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 9
×12.2M2.2Mread from the layout by eye
×41M1Mread from the layout by eye
×5470K470kread from the layout by eye
×2150K150kread from the layout by eye
×6100K100kread from the layout by eye
×127K27kread from the layout by eye
×422K22kread from the layout by eye
×410K10kread from the layout by eye
×2120Ω120read from the layout by eye
Capacitors 7
×3150nF150nread from the layout by eye
×247nF47nread from the layout by eye
×46.8nF6.8nread from the layout by eye
×21nF1nread from the layout by eye
×2100pF100pread from the layout by eye
×547pF47pread from the layout by eye
×3100uF100uelectrolytic; read from the layout by eye
Diodes 2
×21N41481N4148D1, D2; read from the layout by eye
D31N58171N5817read from the layout by eye
Transistors 1
Q1BC549CBC549Cread from the layout by eye
ICs 1
IC1CD4069CD4069read from the layout by eye
Potentiometers 4
BiasB10KB10kPotentiometerread from the layout by eye
GainB500KB500kPotentiometerread from the layout by eye
ToneB500KB500kPotentiometerread from the layout by eye
LevelB500KB500kPotentiometerread from the layout by eye

Other boards based on the EMMA ReezaFRATzitz