Enclosure not stated · 4 knobs
Mojo Hand Iron Bell FuzzVerified
Based on the Mojo Hand Fx Iron Bell Fuzz· 3 other boards clone it
From the post
Info about the original:
David Gilmour’s lead guitar tone throughout the years has consistently been as varied as it is sought after. Numerous different fuzzes, overdrives, and boosters coupled with various amps and guitars have created some of the most gloriously rich and vibrant tones in the history of rock. While it’s clear that no sole effect can alone duplicate the “Gilmour Sound”, when it comes to fuzz…his go to unit for the majority of his career has been the legendary Big Muff, and with so many different incarnations and variants being employed at different time periods, his tone has remained extremely difficult and elusive to pin down.
The Iron Bell isn’t based on any particular Muff circuit. Instead, we’ve tweaked it to be a platform that is wide, yet focused. Unlike the Colossus Fuzz which is based on the Sovtek/Civil War era Muff, the Iron Bell is voiced to be very open and rich, with an almost 3D like harmonic quality. Alongside the standard Gain and Volume controls, the Tone and Colour knobs allow you to sculpt the overall spectrum of the EQ. That Iron Bell is tweakable enough that combining it with various set ups and effect combinations will allow an ample array of colors and shades.
The Iron Bell’s main focus isn’t meant to be “David Gilmour in a box”, it’s more a tonal tool that can be used in countless ways to get the type of epically soaring, yet manageable quality of sound that has become the signature calling card of one of music’s most legendary players. The Iron Bell can be much more, and can serve as a tool to take your tone as far as your imagination will allow.
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 31 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| ×1 | 120R | 120 | read from the layout by eye | |
| ×1 | 220R | 220 | read from the layout by eye | |
| ×1 | 390R | 390 | read from the layout by eye | |
| ×1 | 820R | 820 | read from the layout by eye | |
| ×1 | 2K | 2k | read from the layout by eye | |
| ×5 | 10K | 10k | read from the layout by eye | |
| ×1 | 18K | 18k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 30K | 30k | read from the layout by eye | |
| ×1 | 33K | 33k | read from the layout by eye | |
| ×1 | 56K | 56k | read from the layout by eye | |
| ×3 | 100K | 100k | read from the layout by eye | |
| ×4 | 470K | 470k | read from the layout by eye | |
| Capacitors 9 | ||||
| ×3 | 560p | 560p | read from the layout by eye | |
| ×1 | 6n8 | 6.8n | read from the layout by eye | |
| ×1 | 10n | 10n | read from the layout by eye | |
| ×1 | 33n | 33n | read from the layout by eye | |
| ×1 | 56n | 56n | read from the layout by eye | |
| ×1 | 68n | 68n | read from the layout by eye | |
| ×5 | 100n | 100n | read from the layout by eye | |
| ×1 | 330n | 330n | read from the layout by eye | |
| ×1 | 100u | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×4 | 1N4148 | 1N4148 | D1, D2, D3, D4; read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q2 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q3 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q4 | 2N5088 | 2N5088 | read from the layout by eye | |
| Potentiometers 4 | ||||
| Sustain | B100K | B100k | Potentiometer | read from the layout by eye |
| Contour | B100K | B100k | Potentiometer | read from the layout by eye |
| Volume | B100K | B100k | Potentiometer | read from the layout by eye |
| Tone | B50K | B50k | Potentiometer | read from the layout by eye |
Other boards based on the Mojo Hand Fx Iron Bell Fuzz
- Mojo Hand Fx Iron Bell Fuzz Dirtbox Layouts
- Iron Bell PCBWay: Glory to Ukraine
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