Enclosure not stated · 4 knobs
Dunder Dirt Cheap
Based on the Seymour Duncan Dirty Deed Distortion
- Category
- Distortion· Distortion, Overdrive
- Controls
- Bass · Treble · Drive · Level
- Price
- £4.50in stock
From the vendor
The Dunder Dirt Cheap is our take on the Seymour Duncan Dirty Deed Distortion
The Dunder Dirt Cheap can go from really simple light OD to full on in your face and everything inbetween. Using MOSFETS for the distortion creation it creates a really dynamic OD without getting muddy. You can build it and run it from a standard 9V supply – but if you use 35v electrolytic caps – you can run it with 18V input and have more headroom!
The Treble and Bass controls are also active, giving out a +/- 12dB boost to each frequency and really make it easy to sculpt a classic or modern tone.
Controls:
• Level
• Drive
• Treble
• Bass
Note: Remember to socket any IC’s and transistors!
Compares to: Seymour Duncan Dirty Deed Distortion
Schematic
The schematic is in the vendor's build document, page 1. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 53 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 22 | ||||
| R5 | 100K | 100k | 0.25 Watt Resistor | |
| R6 | 100K | 100k | 0.25 Watt Resistor | |
| R7 | 100K | 100k | 0.25 Watt Resistor | |
| R18 | 100K | 100k | 0.25 Watt Resistor | |
| R8 | 10K | 10k | 0.25 Watt Resistor | |
| R14 | 10K | 10k | 0.25 Watt Resistor | |
| R21 | 10K | 10k | 0.25 Watt Resistor | |
| R2 | 1K | 1k | 0.25 Watt Resistor | |
| R22 | 1K | 1k | 0.25 Watt Resistor | |
| R16 | 16K | 16k | 0.25 Watt Resistor | |
| R19 | 16K | 16k | 0.25 Watt Resistor | |
| R1 | 10M | 10M | 0.25 Watt Resistor | |
| R3 | 470K | 470k | 0.25 Watt Resistor | |
| R4 | 200R | 200 | 0.25 Watt Resistor | |
| R9 | 510K | 510k | 0.25 Watt Resistor | |
| R10 | 8K2 | 8.2k | 0.25 Watt Resistor | |
| R11 | 24K | 24k | 0.25 Watt Resistor | |
| R12 | 150K | 150k | 0.25 Watt Resistor | |
| R13 | 392K | 392k | 0.25 Watt Resistor | |
| R15 | 180K | 180k | 0.25 Watt Resistor | |
| R17 | 1K6 | 1.6k | 0.25 Watt Resistor | |
| R20 | 2K6 | 2.6k | 0.25 Watt Resistor | |
| Capacitors 19 | ||||
| C2 | 10uF | 10u | CP Radial D5.0mm P2.00mm | |
| C7 | 10uF | 10u | CP Radial D5.0mm P2.00mm | |
| C14 | 10uF | 10u | CP Radial D5.0mm P2.00mm | |
| C4 | 4.7uF | 4.7u | CP Radial D5.0mm P2.00mm | |
| C6 | 4.7uF | 4.7u | CP Radial D5.0mm P2.00mm | |
| C10 | 4.7uF | 4.7u | CP Radial D5.0mm P2.00mm | |
| C18 | 2.2uF | 2.2u | CP Radial D5.0mm P2.00mm | |
| C3 | 220pF | 220p | C Disc D4.3mm W1.9mm P5.00mm | |
| C5 | 390pf | 390p | C Disc D4.3mm W1.9mm P5.00mm | |
| C17 | 680pF | 680p | C Disc D4.3mm W1.9mm P5.00mm | |
| C1 | 3.3nF | 3.3n | C Rect L7.0mm W2.0mm P5.00mm | |
| C8 | 1nF | 1n | C Rect L7.0mm W2.0mm P5.00mm | |
| C9 | 22nF | 22n | C Rect L7.0mm W2.0mm P5.00mm | |
| C11 | 1.8nF | 1.8n | C Rect L7.0mm W2.0mm P5.00mm | |
| C12 | 220nF | 220n | C Rect L7.0mm W2.0mm P5.00mm | |
| C13 | 47nF | 47n | C Rect L7.0mm W2.0mm P5.00mm | |
| C15 | 18nF | 18n | C Rect L7.0mm W2.0mm P5.00mm | |
| C16 | 1.2nF | 1.2n | C Rect L7.0mm W2.0mm P5.00mm | |
| C19 | 39nF | 39n | C Rect L7.0mm W2.0mm P5.00mm | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | Standard Diode | |
| Transistors 4 | ||||
| Q1 | 2N3906 | 2N3906 | TO-92 Inline Wide-large-solderpads | |
| Q2 | 2N3906 | 2N3906 | TO-92 Inline Wide-large-solderpads | |
| Q3 | MPSA18 | MPSA18 | TO-92 Inline Wide-large-solderpads | |
| Q4 | MPSA18 | MPSA18 | TO-92 Inline Wide-large-solderpads | |
| ICs 2 | ||||
| U1 | MC33178 / LM833 | MC33178 / LM833 | DIP-8 W7.62mm | |
| U2 | MC33178 / LM833 | MC33178 / LM833 | DIP-8 W7.62mm | |
| Potentiometers 4 | ||||
| BASS | B20K | B20k | Potentiometer Alpha just holes | |
| TREBLE | B20K | B20k | Potentiometer Alpha just holes | |
| DRIVE | C10K | C10k | Potentiometer Alpha just holes | |
| LEVEL | A10K | A10k | Potentiometer Alpha just holes | |
| Other 1 | ||||
| G*** | LOGO | LOGO | domain-18mm | |