Enclosure not stated · 3 knobs
Dinosaural Tube BenderVerified
Based on the Dinosaural Tube Bender· 5 other boards clone it
From the post
In October 2003, Dan Coggins (formerly of Lovetone) released his first commercial pedal under the Dinosaural brand, called the Tube Bender. His design goal was to make something that was sort of a tonal hybrid of the Tone Bender and Tube Screamer, hence the name. And honestly, having listened to it, I’m not sure there’s a better way to describe it. He only made around 140 of them between 2003 and 2007, but many of them were snatched up by musicians and producers in the UK. So while they’re exceedingly rare, you’ve most likely heard it.
I added a mod from the AION Wyvern Silicon Drive of a second position to the Tone Shift switch that’s in-between the flat and scoop modes. I've included the hfe readings from an original pedal as per Aion's trace, so you can try different transistors with similar gains.
It's so rare I couldn't find a demo of it, but I think you get the gist of what it should sound like.
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 26 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×3 | 1.2k | 1.2k | read from the layout by eye | |
| ×3 | 22k | 22k | read from the layout by eye | |
| ×3 | 10k | 10k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 2.2k | 2.2k | read from the layout by eye | |
| ×1 | 1.2M | 1.2M | read from the layout by eye | |
| ×1 | 1.5k | 1.5k | read from the layout by eye | |
| ×1 | 150r | 150 | read from the layout by eye | |
| ×1 | 120k | 120k | read from the layout by eye | |
| ×1 | 100r | 100 | read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×3 | 10nF | 10n | read from the layout by eye | |
| ×1 | 3.3nF | 3.3n | read from the layout by eye | |
| ×1 | 33nF | 33n | read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | BC549C | BC549C | NPN hfe571; read from the layout by eye | |
| Q2 | BC307B | BC307B | PNP hfe244; read from the layout by eye | |
| Q3 | BC549C | BC549C | NPN hfe518; read from the layout by eye | |
| Q4 | BC549C | BC549C | NPN hfe503; read from the layout by eye | |
| Potentiometers 3 | ||||
| Drive | A100K | A100k | Potentiometer | read from the layout by eye |
| Tone | B100K | B100k | Potentiometer | read from the layout by eye |
| Volume | B100K | B100k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Sw | SPDT on/off/on | SPDT ON/OFF/ON | toggle; read from the layout by eye | |
Other boards based on the Dinosaural Tube Bender
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- Dinosaural Tubebender Amplified Parts · 1590BB
- Dinosaural Tube Bender w. Aion Wyvern mod Dirtbox Layouts
- Tube Bender Fuzz Dog · 1590B · £31.20
- Pipe Stretcher Overdrive PedalPCB · 125B · $10.00