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DISTSHIFTTONEVOL

1590B · 4 knobs

PCB Guitar Mania

Horn Device

Based on the EQD Hoof· 2 other boards clone it

Category
Fuzz
Controls
Dist · Shift · Tone · Vol
Difficulty
Medium
Price
€9.90out of stock

Heads up Builders widely report inconsistent quality from PCB Guitar Mania boards, and whether a given board works is a gamble. Read recent forum reports before ordering.

From the vendor

Project overview

The Horn device is a powerful board inspired by two of the most popular muffs nowadays, the EQD Hoof and the Cloven Hoof, just my swapping a couple of components. Critically acclaimed as one of the best muff-inspired fuzzes, with roots on the classic Green Russian features a hybrid Germanium/Silicon design, pairing maximum tone with maximum temperature stability not found in finicky and expensive vintage units.

Introduction

The Horn Device soaks your guitar’s tone in beautifully dirty organic fuzz, thanks to its hybrid of germanium and silicon transistors. This circuit combines the best elements of a fuzz effect and overdriven amplifier by delivering a healthy dose of smooth, harmonically rich sustain, along with its distinctive, vintage-style fuzz. Tone and Shift controls provide a massive helping of tone-shaping options — especially in the midrange — delivering everything from classic scooped to modern boosted Mids.

The Cloven version of this circuit keeps the tightness and clarity you loved about the Hoof, along with the wide range of fuzz sounds, but replacing the germanium transistors with a set of Silicon transistors for cleaner cleans, higher gain, improved temperature stability, and a grittier, grindier, nastier fuzz tone with over 4x the gain of the original Hoof.

The Cloven Hoof is the perfect solution for those of you who wish the Hoof had more low-end, higher gain and was just a little bit Hoofier.

Controls

• Dist

• Shift

• Tone

• Vol

For further analysis on the circuits take a look at this thread on Free Stomp Boxes Forum.

For any technical questions regarding this build don’t forget to check out our Facebook Group and our forum at Free Stomp Boxes.

Horn Device – Building Docs

Horn Device – Drilling Template

Schematic

The schematic is in the vendor's build document, page 6. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 50 rows

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Resistors 23
R11m1M
R239k39k
R339k39k
R4470k470k
R5100k100k
R6100r100
R715k15k
R82k22.2k
R98k28.2k
R10100k100k
R11470k470k
R1215k15k
R13100r100
R148k28.2k
R15100k100k
R16100r100
R17470k470k
R1815k15k
R192k22.2k
R20100k100k
R212k22.2k
R2210k10k
R23390k390k
Capacitors 14
C1100n100n
C2470p470p
C3100n100n
C4100n100n
C5470p470p
C6100n100n
C7100n100n
C8470p470p
C9100n100n
C106n86.8n
C116n86.8n
C12100n100n
C13100n100n
C14100u100uelec
Diodes 5
D11n58171N5817
D23mm3MM
D33mm3MM
D43mm3MM
D53mm3MM
Transistors 4
Q12N39042N3904
Q22N1308*2N1308
Q32N1308*2N1308
Q42N39042N3904
Potentiometers 4
DIST50KBB50kPotentiometer
SHIFT25KBB25kPotentiometer
TONE100KBB100kPotentiometer
VOL1MAA1MPotentiometer

Other boards based on the EQD Hoof

  • Hoof PCBWay: Glory to Ukraine
  • Ungula PedalPCB · 125B · $8.00