King Kat – Eagle and Gerber Files

Product Format Clarification

This product includes digital design files only — no physical PCB is shipped.

With these files, you can order PCBs directly from a manufacturer (e.g., JLCPCB, PCBWay) for as little as $2 for 5 boards.
Typical production time is 3 days, and international shipping starts at $12, taking about 4 days via DHL to most locations.

You’re free to edit the design and add your own branding.

Upon Purchase, You’ll Receive:

• Eagle CAD files (.SCH & .BRD) — fully editable and compatible with KiCad

• Industry-standard Gerber files for PCB fabrication

• Quick-start guide explaining how to use the files

• Download link for the free version of Eagle CAD

After purchase, you will receive a payment link by email. Once the payment is completed, the design files will be sent to you within 8 hours. We’re currently working on automating this process, but for now, orders are handled manually.

Note: You must use these files with a PCB manufacturer to produce your boards.
No pre-assembled or pre-made circuit boards are included.

These design files are intended for personal use and small production runs of your own pedals, not for resale as kits or standalone PCBs.

For more details check our Youtube Tutorial on how to Use eagle and Gerber files and how to design PCBs here

Project overview

The King-kat combines the best elements of a Tone Bender MkII fuzz with a Rat distortion to create something that sings like a fuzz but is tight like a distortion.

This board features a toggle switch to select in between two pairs of clipping diodes.

Introduction

The front half of the circuit is based on the Tone Bender MKII, employing silicon transistors instead of germanium ones, which can mean an even louder, nastier Bender. After the third transistor, the signal encounters the second half of a Rat circuit, which it’s a pair of clipping diodes and a clever single-knob tone circuit.

On this circuit, the diodes focus the blaring, splattery MKII sound. Lows get tighter and heavier. The filter control works wonders, enabling shades you’d never obtain from an MKII. Bright settings sizzle, but not excessively so, while dark tones maintain impact.

This spawn of a Tone Bender MKII and an early Rat doesn’t sound like either of its forebears. Instead, it splits the difference between the two. You get fiery fuzz with uncommon tightness—or, to put it another way, tough distortion with a strong dose of explosive fuzz.

Controls

• Filter
• Gain
• Input
• Vol

For further analysis on this circuit 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.

King-Kat 1v1 – Building Docs

King-Kat – Building Docs

King-Kat – Drilling template