Enclosure not stated · 3 knobs
Fulltone Soul-BenderVerified
Based on the Fulltone Soul Bender· 4 other boards clone it
From the post
Request. A Tonebender set of transistors should do very nicely in this, aim for somewhere between 50 and 80 for Q1 and Q2, and 100 to 130 for Q3. This is a positive ground effect and so can't be daisy chained with your negative ground effects, so consider using a small Negative Voltage Inverter daughterboard for your supply to solve the issue.
Info about the original:
Our Soul-Bender is based on the legendary Colorsound and Vox Series III ToneBenders made by Sola-Sound/England in the late '60's that was used by Beck and Page on much of their circa 1968-70 recordings.
Equipped with 3 gain-matched germanium transistor for a FAT, searing lead tone, I also made the Tone control response and range more usable and much less shrill sounding... Full clockwise is SMOOTH sounding.
The Soul-Bender cleans up when you back-off on the guitar's volume control. This pedal has tons of tonal character and even harmonics and of course, true bypass w/ LED is included with every one.
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 21 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 6 | ||||
| ×5 | 10K | 10k | read from the layout by eye | |
| ×2 | 47K | 47k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 3K3 | 3.3k | read from the layout by eye | |
| ×1 | 18K | 18k | read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 100p | 100p | read from the layout by eye | |
| ×1 | 150p | 150p | read from the layout by eye | |
| ×2 | 100n | 100n | read from the layout by eye | |
| ×1 | 220n | 220n | read from the layout by eye | |
| ×1 | 15n | 15n | read from the layout by eye | |
| ×1 | 22u | 22u | electrolytic; read from the layout by eye | |
| ×1 | 10u | 10u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N270 | 1N270 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | PNP germanium | PNP GERMANIUM | type not given; read from the layout by eye | |
| Q2 | PNP germanium | PNP GERMANIUM | type not given; read from the layout by eye | |
| Q3 | PNP germanium | PNP GERMANIUM | type not given; read from the layout by eye | |
| Potentiometers 3 | ||||
| Dirt | B100K | B100k | Potentiometer | read from the layout by eye |
| Tone | B100K | B100k | Potentiometer | read from the layout by eye |
| Volume | A500K | A500k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 500K | 500k | read from the layout by eye | |
Other boards based on the Fulltone Soul Bender
- Tone Buzzer HotKits · 1590B · $2.50
- Soul Vendor PedalPCB · 125B · $8.00
- General Guitar Gadgets Boutique Bender (Fulltone Soul Bender) Revolution Deux
- Fulltone Soul-Bender turretboard.org