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DRIVETONEVOLUME

1590B · 3 knobs

Tagboard Effects

Himmelstrutz FettoVerified

Based on the Himmelstrutz Fetto· 3 other boards clone it

Category
Distortion
Controls
Drive · Tone · Volume
Build
Vero· 18×17· 20 cuts, 3 links
Layout
Verified · Tagboard Effects marks it as built and working
Tags
Distortion, Overdrive

From the post

The original used jumpers and a 4 pole internal dip switch, but I've done this one with external switching in mind. 3 pots and 10 toggles, who's up for it? :) Alternatively take a leaf out of the original if you want to keep the size down and use a 10 pole dip switch like these, and mount it on an internal daughter-board. It should fit nicely in a 1590B.

Info about the original:

Jump on Fetto Standard when your guitar and amp can't ride the lightning on reasonable levels, when you need anything between clean to really distorted sounds—to convince your audience, band and girlfriend(s) that the sound isn't the reason why your music is boring.

Perfect string separation, all the way from smooth overdrive to heavy distortion. Never lose the character of your instrument or amplifier. Designed to match the volume control on your guitar perfectly. Most pedals sounds just like a pedal. Not the case with the Fetto's which sound like an extension of your amplifier. Have you heard this before? Well, this time it's true.

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 38 rows

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Check before you build · 2 values the reader of this layout was not sure of
  • 200n near the bottom left (below 4n7, next to 1M): printed clearly, unusual value
  • 6n8 right of centre between Q1 and the long link: small, darker text
RefValueNormalizedTypeNotes
Resistors 7
×2470R470read from the layout by eye
×31K1kread from the layout by eye
×312K12kread from the layout by eye
×122K22kread from the layout by eye
×168K68kread from the layout by eye
×1470K470kread from the layout by eye
×11M1Mread from the layout by eye
Capacitors 13
×1220p220pread from the layout by eye
×2470p470pread from the layout by eye
×11n1nread from the layout by eye
×22n22.2nread from the layout by eye
×24n74.7nread from the layout by eye
×26n86.8nread from the layout by eye
×110n10nread from the layout by eye
×115n15nread from the layout by eye
×2100n100nread from the layout by eye
×1200n200nread from the layout by eye
×12u22.2uelectrolytic; read from the layout by eye
×14u74.7uelectrolytic; read from the layout by eye
×1220u220uelectrolytic; read from the layout by eye
Transistors 3
Q12SK170GR2SK170GRJFET; read from the layout by eye
Q22SK170GR2SK170GRJFET; read from the layout by eye
Q32SK170GR2SK170GRJFET; read from the layout by eye
Potentiometers 3
DriveA500KA500kPotentiometerread from the layout by eye
ToneA50KA50kPotentiometerread from the layout by eye
VolumeA100KA100kPotentiometerread from the layout by eye
Trimmers 2
TR1500K500kread from the layout by eye
TR2100K100kread from the layout by eye
Switches 10
Gain1SPSTSPST2 position; read from the layout by eye
Gain2SPSTSPST2 position; read from the layout by eye
Bass1SPSTSPST2 position; read from the layout by eye
Bass2SPSTSPST2 position; read from the layout by eye
Bright1SPSTSPST2 position; wire labels read 'Bright Sw1/Sw2'; read from the layout by eye
Bright2SPSTSPST2 position; read from the layout by eye
VoiceSPSTSPST2 position; read from the layout by eye
Treble Cut1SPSTSPST2 position; wire labels read 'Treble Cut Sw1/Sw2'; read from the layout by eye
Treble Cut2SPSTSPST2 position; read from the layout by eye
Mid CutSPSTSPST2 position; read from the layout by eye

Other boards based on the Himmelstrutz Fetto