Enclosure not stated
MXR Custom Badass Modified OD
- Category
- Overdrive
- Price
- see vendorin stock
From the vendor
Custom Badass '78 Distortion based on an old Boss pedal—the SD-1. (Or I guess you could say it's a modified version of the Zakk Wylde Overdrive, but that's based on the SD-1... Either way, it's definitely been modified with the added 100Hz control and the Bump switch.
Schematic
The schematic image is on the project page. Open it at PCBWay.
Parts list 50 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 21 | ||||
| R1 | 100k | 100k | read from the schematic by eye | |
| R2 | 4k7 | 4.7k | read from the schematic by eye | |
| R3 | 33k | 33k | read from the schematic by eye | |
| R4 | 10k | 10k | read from the schematic by eye | |
| R5 | 470 | 470 | read from the schematic by eye | |
| R6 | 10k | 10k | read from the schematic by eye | |
| R7 | 10k | 10k | read from the schematic by eye | |
| R8 | 4k7 | 4.7k | read from the schematic by eye | |
| R9 | 2M2 | 2.2M | read from the schematic by eye | |
| R10 | 110k | 110k | read from the schematic by eye | |
| R11 | 22k | 22k | read from the schematic by eye | |
| R12 | 1M8 | 1.8M | read from the schematic by eye | |
| R13 | 10k | 10k | read from the schematic by eye | |
| R14 | 10k | 10k | read from the schematic by eye | |
| R15 | 10k | 10k | read from the schematic by eye | |
| R19 | 24k | 24k | read from the schematic by eye | |
| R20 | 470 | 470 | read from the schematic by eye | |
| R21 | 10k | 10k | read from the schematic by eye | |
| R22 | 10k | 10k | read from the schematic by eye | |
| ×1 | 6k8 | 6.8k | LED resistor, no designator printed; read from the schematic by eye | |
| ×1 | 100k | 100k | Q1 base resistor, no designator printed; read from the schematic by eye | |
| Capacitors 15 | ||||
| C1 | 10u | 10u | read from the schematic by eye | |
| C2 | 3u3 | 3.3u | tantalum; read from the schematic by eye | |
| C3 | 18n | 18n | 22n in brackets as alternative; read from the schematic by eye | |
| C4 | 10n | 10n | read from the schematic by eye | |
| C5 | 28n | 28n | read from the schematic by eye | |
| C6 | 47n | 47n | read from the schematic by eye | |
| C7 | 18n | 18n | 22n in brackets as alternative; read from the schematic by eye | |
| C8 | 100u | 100u | read from the schematic by eye | |
| C9 | 4u7 | 4.7u | read from the schematic by eye | |
| C10 | 47n | 47n | read from the schematic by eye | |
| C11 | 100n | 100n | read from the schematic by eye | |
| C12 | 100n | 100n | read from the schematic by eye | |
| C14 | 1u | 1u | read from the schematic by eye | |
| C15 | 250n | 250n | read from the schematic by eye | |
| C16 | 250p | 250p | read from the schematic by eye | |
| Diodes 4 | ||||
| D1 | 1N914 | 1N914 | FMMD914; read from the schematic by eye | |
| D2 | 1N914 | 1N914 | FMMD914; read from the schematic by eye | |
| D3 | 1N914 | 1N914 | FMMD914; read from the schematic by eye | |
| D5 | 1N4007 | 1N4007 | read from the schematic by eye | |
| Transistors 2 | ||||
| Q1 | MPS-A14 | MPSA14 | FMBTA14, LED switching; read from the schematic by eye | |
| Q2 | 2N5088 | 2N5088 | FMBT5088; read from the schematic by eye | |
| ICs 2 | ||||
| IC1 | MC33178P | MC33178P | read from the schematic by eye | |
| IC2 | MC33178P | MC33178P | read from the schematic by eye | |
| Potentiometers 4 | ||||
| Gain | A1M | A1M | Potentiometer | VR2, 1M Log; read from the schematic by eye |
| Tone | B20k | B20k | Potentiometer | VR3, 20K lin; read from the schematic by eye |
| 100Hz | B20k | B20k | Potentiometer | VR4, 20K lin; read from the schematic by eye |
| Output | A10k | A10k | Potentiometer | VR1, 10K Log; read from the schematic by eye |
| Switches 1 | ||||
| Bump | SPDT | SPDT | bump switch; read from the schematic by eye | |
| LEDs 1 | ||||
| D4 | LED | LED | bypass indicator; read from the schematic by eye | |