125B · 5 knobs
Green CitrusVerified
Based on the Green Citrus· 2 other boards clone it
- Category
- Preamp / Amp-in-a-box
- Build
- Perfboard
- Layout
- Verified · Effects Layouts (blog) marks it as built and working
- Tags
- Amp Emulator, Distortion, Overdrive
From the post
Here's a cool DIY design of a Green (Mutamp) amp emulator. Four JFET stages with a 2-band EQ and a Boost control. Should be a nice easy fit in a 125B with the board mounted pots. Here's the schematic for reference. Sound demo 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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.
Parts list 29 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×3 | 100K | 100k | read from the layout by eye | |
| ×3 | 15K | 15k | read from the layout by eye | |
| ×3 | 2.2K | 2.2k | read from the layout by eye | |
| ×2 | 220K | 220k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 68K | 68k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | LED resistor, to the LED+ pad; read from the layout by eye | |
| Capacitors 8 | ||||
| ×5 | 68nF | 68n | read from the layout by eye | |
| ×4 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 330pF | 330p | read from the layout by eye | |
| ×2 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×1 | 1N4001 | 1N4001 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | 2N5457 | 2N5457 | JFET; read from the layout by eye | |
| Q2 | 2N5457 | 2N5457 | JFET; 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 5 | ||||
| Gain | A1M | A1M | Potentiometer | read from the layout by eye |
| Bass | B1M | B1M | Potentiometer | read from the layout by eye |
| Treble | A1M | A1M | Potentiometer | read from the layout by eye |
| Boost | B1K | B1k | Potentiometer | read from the layout by eye |
| Master | A100K | A100k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×4 | 100K | 100k | adjust trimmers to 4.5v on all drains; read from the layout by eye | |
Other boards based on the Green Citrus
- Green Citrus Dirtbox Layouts
- Green Citrus - Matamp-in-a-box Fuzz Dog · 1590B · £45.60