Akashic Guitar effects circuit lookup
GAINTREBLEBASSVOLUME

Enclosure not stated · 4 knobs

Tagboard Effects

Catalinbread CB30Verified

Based on the Catalinbread CB30· 2 other boards clone it

Category
Overdrive
Controls
Gain · Treble · Bass · Volume
Build
Vero· 18×17· 14 cuts, 5 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Catalinbread, Overdrive

From the post

Info about the original from Catalinbread:

The CB30 is designed to give you jangly, dynamic, responsive overdriven tones, just like it's British 30 watt counterpart. The tone controls work exactly the same way as the actual amp, where the more the treble and bass increase, the more scooped the mids become, making it capable of being quite hollow and jangly. The CB30 can be dialed in for that immediate attack, compressed mid range honk, finished by the shimmery high end jangle, an elusive sound for many players. Like all the foundation pedals in our line it sounds excellent on its own, or when stacked with other pedals (no really, just wait until you put a treble boost in front!)

As owners of the real deal know, the amp has an amazing touch sensitivity, with the ability to go from clear and chimey, to that unique overdrive character with just your picking dynamics. The CB30 has the same response, and cleans up extremely well with your guitar's volume control. The CB30 is true bypass, and comes in a rugged silkscreened case, has black aluminum knobs that feel great, and are easy to see on stage. If you're looking for an expressive, chimey overdrive, we think you'll enjoy the CB30 for years to come.

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 Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.

Parts list 30 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • 200K upper middle of the board: printed clearly, unusual value
RefValueNormalizedTypeNotes
Resistors 9
×41M1Mread from the layout by eye
×3100K100kread from the layout by eye
×3470K470kread from the layout by eye
×247K47kread from the layout by eye
×22M22.2Mread from the layout by eye
×2390R390read from the layout by eye
×14K74.7kread from the layout by eye
×110K10kread from the layout by eye
×1200K200kread from the layout by eye
Capacitors 12
×322n22nread from the layout by eye
×2100n100nread from the layout by eye
×2470p470pread from the layout by eye
×1220n220nread from the layout by eye
×110n10nread from the layout by eye
×12n22.2nread from the layout by eye
×11n1nread from the layout by eye
×1330p330pread from the layout by eye
×1100p100pread from the layout by eye
×147p47pread from the layout by eye
×222u22uelectrolytic; one drawn axial; read from the layout by eye
×22u22.2uelectrolytic; read from the layout by eye
Transistors 5
Q12N54572N5457JFET; read from the layout by eye
Q22N54572N5457JFET; read from the layout by eye
Q32N54572N5457JFET; read from the layout by eye
Q42N54572N5457JFET; read from the layout by eye
Q52N54572N5457JFET; read from the layout by eye
Potentiometers 4
GainA500KA500kPotentiometerread from the layout by eye
TrebleA1MA1MPotentiometerread from the layout by eye
BassA1MA1MPotentiometerread from the layout by eye
VolumeA100KA100kPotentiometerread from the layout by eye

Other boards based on the Catalinbread CB30