Enclosure not stated · 6 knobs
Baja Mars Hall 59 PlexiVerified
Based on the BAJA Mars Hall 1959 Plexi· 1 other board clones it
- Category
- Preamp / Amp-in-a-box
- Difficulty
- Difficult
- Build
- Vero· 23×22· 43 cuts, 25 links
- Layout
- Verified · Tagboard Effects marks it as built and working
- Tags
- Amp Emulation, Baja, Marshall, Overdrive, Plexi
From the post
Bajaman's overdrive circuit based on the Marshall 59 Plexi amplifier.
Original thread and schematic available on the FSB forum here.
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 37 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 15 | ||||
| ×4 | 2K7 | 2.7k | read from the layout by eye | |
| ×4 | 1K | 1k | read from the layout by eye | |
| ×3 | 1M | 1M | read from the layout by eye | |
| ×2 | 3K3 | 3.3k | read from the layout by eye | |
| ×2 | 2K2 | 2.2k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 1K2 | 1.2k | read from the layout by eye | |
| ×1 | 1K8 | 1.8k | read from the layout by eye | |
| ×1 | 1M5 | 1.5M | read from the layout by eye | |
| ×1 | 180K | 180k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 5K6 | 5.6k | read from the layout by eye | |
| ×1 | 120R | 120 | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 11 | ||||
| ×6 | 1u | 1u | read from the layout by eye | |
| ×2 | 560n | 560n | read from the layout by eye | |
| ×2 | 220n | 220n | read from the layout by eye | |
| ×2 | 1n | 1n | read from the layout by eye | |
| ×1 | 680n | 680n | read from the layout by eye | |
| ×1 | 12n | 12n | read from the layout by eye | |
| ×1 | 1n8 | 1.8n | read from the layout by eye | |
| ×1 | 470p | 470p | read from the layout by eye | |
| ×1 | 220p | 220p | read from the layout by eye | |
| ×1 | 47u | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100u | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×5 | 1N4148 | 1N4148 | D1-D5; read from the layout by eye | |
| Transistors 1 | ||||
| ×1 | 2SK117 | 2SK117 | JFET; read from the layout by eye | |
| ICs 2 | ||||
| ×2 | TL062 | TL062 | read from the layout by eye | |
| ×1 | TL072 | TL072 | read from the layout by eye | |
| Potentiometers 6 | ||||
| Presence | B10K | B10k | Potentiometer | read from the layout by eye |
| Treble | B10K | B10k | Potentiometer | read from the layout by eye |
| Gain | B100K | B100k | Potentiometer | read from the layout by eye |
| Level | B100K | B100k | Potentiometer | read from the layout by eye |
| Bass | B50K | B50k | Potentiometer | read from the layout by eye |
| Mid | B1K | B1k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Bright | SPST | SPST | toggle; read from the layout by eye | |
Other boards based on the BAJA Mars Hall 1959 Plexi
- BAJA Mars Hall 1959 Plexi Dirtbox Layouts