Akashic Guitar effects circuit lookup
FUZZNATURETREBLEVOLUME

Enclosure not stated · 4 knobs

Tagboard Effects

Bearfoot Candy Apple Fuzz GoldVerified

Based on the BearFoot FX Candy Apple Fuzz Gold

Category
Fuzz
Controls
Fuzz · Nature · Treble · Volume
Build
Vero· 19×16· 13 cuts, 2 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
BJF/MP, Fuzz

From the post

There was a resistor missing from the schematic so the layout has now been fixed. If anyone has already built this then if you can add a 2K resistor somewhere between the germ transistor emitters and ground that should sort it out. Or you can use then fix layout John did at the bottom of this page. The main layout has been fixed with an extra column being added to accommodate the resistor

As usual with Bjorn designed stompboxes, a great sounding fuzz. 2N1308s should be available on eBay but if you can't find them, just throw any NPN germaniums in there.

Info about the original:

The Candy Apple Fuzz is one of Bjorns first BJFe circuits (along with the BBOD and DRD) ... it was made to cover the nastier side of vintage fuzzes and it does just that and more … over the years the one recurring request was to make it a bit smoother and more musically manageable ... when it came time for the BearFoot version he did just that by adding a treble control to reign in the rasp as needed… and he also adjusted the circuit to germanium transitors, which are smoother and more musical to most ears ... BUT silicon has its own musicality and many just like the full on unruliness and extra rip of silicon ... now you have a choice as we introduce the original silicon formula CAF ... Silver/Silicon ... Gold/Germanium

And the quick fix for anyone who built using the original layout, the resistor value should be 2K.

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 · 2 values the reader of this layout was not sure of
  • 14K7 resistors (two, left side by the 4n7 and by Q1): printed clearly, unusual value
  • Nature pot: legend says '20K W' (W taper), entered as W20K
RefValueNormalizedTypeNotes
Resistors 13
×310K10kread from the layout by eye
×351K51kread from the layout by eye
×21M1Mread from the layout by eye
×214K714.7kread from the layout by eye
×21K1kread from the layout by eye
×1100R100read from the layout by eye
×15K65.6kread from the layout by eye
×1470R470read from the layout by eye
×112K12kread from the layout by eye
×1220K220kread from the layout by eye
×1470K470kread from the layout by eye
×147R47read from the layout by eye
×12K2kread from the layout by eye
Capacitors 7
×2100p100pread from the layout by eye
×14n74.7nread from the layout by eye
×147n47nread from the layout by eye
×1220n220nread from the layout by eye
×1470n470nread from the layout by eye
×522u22uelectrolytic; read from the layout by eye
×1100u100uelectrolytic; read from the layout by eye
Diodes 4
D1BAT42BAT42read from the layout by eye
D2BAT42BAT42read from the layout by eye
D31N41481N4148read from the layout by eye
D41N41481N4148read from the layout by eye
Transistors 4
Q12N59522N5952JFET; read from the layout by eye
Q2BC550CBC550Cread from the layout by eye
Q32N13082N1308read from the layout by eye
Q42N13082N1308read from the layout by eye
Potentiometers 4
FuzzA50KA50kPotentiometerread from the layout by eye
NatureW20KW20kPotentiometerlegend: 20K W; read from the layout by eye
TrebleB50KB50kPotentiometerread from the layout by eye
VolumeB50KB50kPotentiometerread from the layout by eye