Akashic Guitar effects circuit lookup
GAINRANGEPRESENCEVOLUME

Enclosure not stated · 4 knobs

Dirtbox Layouts

Catalinbread Sabra CadabraVerified

Based on the Catalinbread Sabbra Cadabra· 9 other boards clone it

Category
Distortion
Controls
Gain · Range · Presence · Volume
Build
Vero· 20×18· 21 cuts, 4 links
Layout
Verified · Dirtbox Layouts marks it as built and working
Tags
Catalinbread, Distortion, Overdrive

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 36 rows

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Check before you build · 2 values the reader of this layout was not sure of
  • 22uF electrolytic at column 9, rows O-Q: printed without a comma, while the three neighbouring cans read 2,2uF; could be a 2,2uF with the comma lost
  • 750K at column 8, rows N-P: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 17
×61M1Mread from the layout by eye
×22.2M2.2Mread from the layout by eye
×1750K750kread from the layout by eye
×2470K470kread from the layout by eye
×2220K220kread from the layout by eye
×1100K100kread from the layout by eye
×168K68kread from the layout by eye
×156K56kread from the layout by eye
×147K47kread from the layout by eye
×233K33kread from the layout by eye
×122K22kread from the layout by eye
×110K10kread from the layout by eye
×24.7K4.7kread from the layout by eye
×11.5K1.5kread from the layout by eye
×31K1kread from the layout by eye
×1820Ω820read from the layout by eye
×147Ω47read from the layout by eye
Capacitors 12
×247pF47pread from the layout by eye
×1270pF270pread from the layout by eye
×14.7nF4.7nread from the layout by eye
×110nF10nread from the layout by eye
×422nF22nread from the layout by eye
×168nF68nread from the layout by eye
×2100nF100nread from the layout by eye
×1220nF220nread from the layout by eye
×32.2uF2.2uelectrolytic; read from the layout by eye
×122uF22uelectrolytic; read from the layout by eye
×147uF47uelectrolytic; read from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
Diodes 1
D11N58171N5817read from the layout by eye
Transistors 2
Q1BC184BC184read from the layout by eye
×5MPF4393MPF4393JFET, Q2-Q6; read from the layout by eye
Potentiometers 4
GainA1MA1MPotentiometerread from the layout by eye
RangeC500KC500kPotentiometerread from the layout by eye
PresenceB10KB10kPotentiometerread from the layout by eye
VolumeB250KB250kPotentiometerread from the layout by eye

Other boards based on the Catalinbread Sabbra Cadabra