Enclosure not stated · 4 knobs
Blackout Effectors MantraVerified
Based on the Blackout Effectors Mantra· 7 other boards clone it
From the post
Apparently another very nice sounding overdrive...
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 28 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| ×9 | 10K | 10k | read from the layout by eye | |
| ×6 | 2.2M | 2.2M | read from the layout by eye | |
| ×3 | 470K | 470k | read from the layout by eye | |
| ×3 | 100K | 100k | read from the layout by eye | |
| ×1 | 390K | 390k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 100Ω | 100 | read from the layout by eye | |
| Capacitors 9 | ||||
| ×4 | 10nF | 10n | read from the layout by eye | |
| ×4 | 100nF | 100n | read from the layout by eye | |
| ×4 | 47pF | 47p | read from the layout by eye | |
| ×2 | 470pF | 470p | read from the layout by eye | |
| ×2 | 3.3nF | 3.3n | read from the layout by eye | |
| ×1 | 680pF | 680p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×4 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 3 | ||||
| D1 | 9.1V Zener | 9V1 | read from the layout by eye | |
| D2 | 9.1V Zener | 9V1 | read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | 2N7000 | 2N7000 | read from the layout by eye | |
| Q2 | 2N7000 | 2N7000 | read from the layout by eye | |
| Q3 | J201 | J201 | JFET; read from the layout by eye | |
| Q4 | J201 | J201 | JFET; read from the layout by eye | |
| Potentiometers 4 | ||||
| Gain | A100K | A100k | Potentiometer | read from the layout by eye |
| Treble | A100K | A100k | Potentiometer | read from the layout by eye |
| Bass | A100K | A100k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×2 | 150K | 150k | set Q3 and Q4 drain voltages to 6.2V; read from the layout by eye | |
Other boards based on the Blackout Effectors Mantra
- Blackout Effectors Mantra Overdrive Dirtbox Layouts
- Blackout Effectors Mantra Overdrive Effects Layouts (blog)
- Sacred Utterance Overdrive Fuzz Dog · 1590B · £40.80
- Incantation PCB Guitar Mania · 125B · €9.90
- Mantra PCBWay: Glory to Ukraine
- Tantric Overdrive PedalPCB · 125B · $8.00
- Blackout Effectors Mantra Overdrive Revolution Deux