Akashic Guitar effects circuit lookup
GAINVOLUMEBASSMIDTREBLE

1590BB · 5 knobs

Effects Layouts (blog)

Revv G3Verified

Based on the Revv G3· 3 other boards clone it

Category
Distortion
Controls
Gain · Volume · Bass · Mid · Treble
Layout
Verified · Effects Layouts (blog) marks it as built and working
Tags
Distortion, Revv

From the post

You guys super pestered me to do this one, so here it is. Now get off my back! 😄 Layout turned out fairly big, but not overly so. It should fit nicely in a 1590BB.

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 37 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • Diode at the top of the board (column 17, next to the two 100nF): printed clearly as 5517, unusual value; probably a 1N5817 polarity-protection diode
RefValueNormalizedTypeNotes
Resistors 15
×333K33kread from the layout by eye
×356K56kread from the layout by eye
×510K10kread from the layout by eye
×382K82kread from the layout by eye
×147K47kread from the layout by eye
×110Ω10read from the layout by eye
×220K20kread from the layout by eye
×22K2kread from the layout by eye
×3470K470kread from the layout by eye
×31.5K1.5kread from the layout by eye
×322K22kread from the layout by eye
×34.7K4.7kread from the layout by eye
×11M1Mread from the layout by eye
×1100K100kread from the layout by eye
×1150K150kread from the layout by eye
Capacitors 11
×5100pF100pread from the layout by eye
×11nF1nread from the layout by eye
×32.2nF2.2nread from the layout by eye
×24.7nF4.7nread from the layout by eye
×310nF10nread from the layout by eye
×322nF22nread from the layout by eye
×347nF47nread from the layout by eye
×3100nF100nread from the layout by eye
×3220nF220nread from the layout by eye
×122uF22uelectrolytic; read from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
Diodes 2
×41N41481N4148printed 4148; read from the layout by eye
×11N55171N5517printed 5517; read from the layout by eye
ICs 1
×2TL074TL074read from the layout by eye
Potentiometers 5
GainB1MB1MPotentiometerread from the layout by eye
VolumeA50KA50kPotentiometerread from the layout by eye
BassA100KA100kPotentiometerread from the layout by eye
MidB100KB100kPotentiometerread from the layout by eye
TrebleA50KA50kPotentiometerread from the layout by eye
Switches 1
AggressionDPDT on/off/onDPDT ON/OFF/ONtoggle; read from the layout by eye
LEDs 2
D1??drawn as a red LED; value not given; read from the layout by eye
D2??drawn as a red LED; value not given; read from the layout by eye

Other boards based on the Revv G3