Akashic Guitar effects circuit lookup
BRIGHT GAINNORMAL GAINTREBLEBASSMIDSMASTER

Enclosure not stated · 6 knobs

Dirtbox Layouts

Coda Effects Black Hole - Sunn Model T Amp EmulatorVerified

Based on the Coda Effects Black Hole· 2 other boards clone it

Controls
Bright Gain · Normal Gain · Treble · Bass · Mids · Master
Build
Vero· 20×16· 23 cuts, 9 links
Layout
Verified · Dirtbox Layouts marks it as built and working
Tags
Amp Emulator, Coda Effects, Sunn

From the post

Verified by MTK. Thanks!

And here is his demo:

.

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 33 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • Q1-Q4 J201: the legend prints 'Q1-Q5: J201' and then 'Q5: 2N5088', read as a typo for Q1-Q4
RefValueNormalizedTypeNotes
Resistors 10
×21M1Mread from the layout by eye
×3470K470kread from the layout by eye
×268K68kread from the layout by eye
×1820Ω820read from the layout by eye
×1390Ω390read from the layout by eye
×147K47kread from the layout by eye
×110K10kread from the layout by eye
×1680Ω680read from the layout by eye
×1100K100kread from the layout by eye
×156K56kread from the layout by eye
Capacitors 8
×422nF22nread from the layout by eye
×2100nF100nread from the layout by eye
×1220pF220pread from the layout by eye
×1270pF270pread from the layout by eye
×1470pF470pread from the layout by eye
×122uF22uelectrolytic; read from the layout by eye
×1220uF220uelectrolytic; read from the layout by eye
×147uF47uelectrolytic; read from the layout by eye
Diodes 1
D11N58171N5817read from the layout by eye
Transistors 5
Q1J201J201JFET; read from the layout by eye
Q2J201J201JFET; read from the layout by eye
Q3J201J201JFET; read from the layout by eye
Q4J201J201JFET; read from the layout by eye
Q52N50882N5088read from the layout by eye
Potentiometers 6
Bright GainA1MA1MPotentiometerread from the layout by eye
Normal GainA1MA1MPotentiometerread from the layout by eye
TrebleB250KB250kPotentiometerread from the layout by eye
BassB1MB1MPotentiometerread from the layout by eye
MidsB25KB25kPotentiometerread from the layout by eye
MasterA100KA100kPotentiometerlegend prints 'Maste'; read from the layout by eye
Trimmers 2
×320K20kread from the layout by eye
×1100K100kread from the layout by eye
Switches 1
Boost SwDPDT on/onDPDT ON/ONlegend: DPDT on/on or footswitch; read from the layout by eye

Other boards based on the Coda Effects Black Hole