125B · 6 knobs
Laney Super Group EmulatorVerified
Based on the Laney Super Group Emulator
- Category
- Preamp / Amp-in-a-box
- Build
- Perfboard
- Layout
- Verified · Effects Layouts (blog) marks it as built and working
- Tags
- Amp Emulator, Overdrive
From the post
This was a request that came in from Cody from the They Remained Silent blog. It's an emulator of the Laney Super Group 100 watt head designed by Heuller Pinson (MallerMB). I would assume you should bias the JFETs to ~4.5v then adjust from there. Don't have a ton of info on this other than that. This one's laid out for onboard 9mm pots mounted from the solder-side. Cody asked for it to fit in a 125B, but you should be able to squeeze it into a 1590B.
Here's the schematic if anyone wants it.
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 25 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×3 | 1M | 1M | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 68K | 68k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×1 | 820Ω | 820 | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 56K | 56k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| Capacitors 6 | ||||
| ×5 | 22nF | 22n | read from the layout by eye | |
| ×4 | 100nF | 100n | read from the layout by eye | |
| ×2 | 220pF | 220p | read from the layout by eye | |
| ×1 | 47pF | 47p | 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 | ||||
| D1 | 1N4007 | 1N4007 | printed 4007; legend: 1N400X; read from the layout by eye | |
| Transistors 1 | ||||
| ×5 | J201 | J201 | JFET, Q1-5; read from the layout by eye | |
| Potentiometers 6 | ||||
| Gain | A1M | A1M | Potentiometer | read from the layout by eye |
| Treble | A250K | A250k | Potentiometer | read from the layout by eye |
| Bass | A1M | A1M | Potentiometer | read from the layout by eye |
| Mids | A20K | A20k | Potentiometer | read from the layout by eye |
| Presence | B5K | B5k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×5 | 100K | 100k | read from the layout by eye | |