Akashic Guitar effects circuit lookup
SUSTAINTONEVOLUME

Enclosure not stated · 3 knobs

Tagboard Effects

Skreddy P19Verified

Based on the Skreddy P19· 3 other boards clone it

Category
Fuzz
Controls
Sustain · Tone · Volume
Build
Vero· 20×17· 19 cuts, 5 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Fuzz, Skreddy

From the post

Just to give mirosol a bigger headache deciding which Skreddy pedal to build next .... :o)

Info from Marc about the excellent original:

Specifically tuned to the sound of a block-buster 1979 album and emulates the "magic" 70's era fuzz pedal that was somehow clear and articulate on high notes while still fuzzy and aggressive on low notes, without excessive low-end muffiness or high-end fizz. The mids are scooped just enough to keep it from sounding congested, the lows are rolled off just enough to keep it from sounding wooly or boomy, and the highs are gentle, present, and well balanced.

Its clarity will encourage you to dig in and express yourself; it's not an overwhelming "wall of fuzz" type effect.

A wide variety of aggressive and clear-sounding applications, particularly excelling in sustaining, biting, legato lead work

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 32 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • 100R right of the 330n cap (top centre, next to the long link): reads 100R at zoom, could be taken for 100K at normal size
RefValueNormalizedTypeNotes
Resistors 10
×610K10kread from the layout by eye
×4470K470kread from the layout by eye
×3100K100kread from the layout by eye
×3200R200read from the layout by eye
×2100R100read from the layout by eye
×233K33kread from the layout by eye
×1820R820read from the layout by eye
×12K72.7kread from the layout by eye
×118K18kread from the layout by eye
×156K56kread from the layout by eye
Capacitors 9
×4560p560pread from the layout by eye
×12n22.2nread from the layout by eye
×26n86.8none on the board, one on the Mids switch; read from the layout by eye
×110n10nread from the layout by eye
×147n47nread from the layout by eye
×168n68nread from the layout by eye
×5100n100nread from the layout by eye
×1330n330nread from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Diodes 5
D11N9141N914read from the layout by eye
D21N9141N914read from the layout by eye
D31N9141N914read from the layout by eye
D41N9141N914read from the layout by eye
Dx1N58171N5817read from the layout by eye
Transistors 4
Q1BC550CBC550Cread from the layout by eye
Q2BC550CBC550Cread from the layout by eye
Q3BC550CBC550Cread from the layout by eye
Q4BC550CBC550Cread from the layout by eye
Potentiometers 3
SustainB100KB100kPotentiometerread from the layout by eye
ToneB50KB50kPotentiometerread from the layout by eye
VolumeA100KA100kPotentiometerread from the layout by eye
Switches 1
MidsDPDT on/onDPDT ON/ONtoggle, Flat / Boost Mids, 2 pos; read from the layout by eye

Other boards based on the Skreddy P19