Enclosure not stated · 2 knobs
Runoffgroove ThorVerified
Based on the Run Off Groove Thor· 3 other boards clone it
- Category
- Preamp / Amp-in-a-box
- Build
- Vero· 19×19· 21 cuts, 9 links
- Layout
- Verified · Tagboard Effects marks it as built and working
- Tags
- Amp Emulation, Distortion, Overdrive, Runoffgroove
From the post
If i recall correctly, someone requested this a while ago. I think that's enough for today :)
Runoffgroove's current take on emulating the classic Marshall 100W Super Lead. Read the complete description and history of the circuit from ROG.
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.
Check before you build · 2 values the reader of this layout was not sure of
- Bottom and Bright switches: type not stated in the legend, entered as SPST from the two wires each (SW 1 / SW 2)
- 10K left of the other 10K, centre of board: drawn translucent with a cut beneath it, read as a second 10K resistor
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 11 | ||||
| ×3 | 390Ω | 390 | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×2 | 33K | 33k | read from the layout by eye | |
| ×1 | 39K | 39k | read from the layout by eye | |
| ×1 | 56K | 56k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 120K | 120k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| Capacitors 6 | ||||
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×3 | 470pF | 470p | read from the layout by eye | |
| ×2 | 1nF | 1n | read from the layout by eye | |
| ×2 | 22nF | 22n | read from the layout by eye | |
| ×4 | 100nF | 100n | read from the layout by eye | |
| ×2 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | 2N5457 | 2N5457 | JFET; read from the layout by eye | |
| Q2 | J201 | J201 | JFET; read from the layout by eye | |
| Q3 | 2N5457 | 2N5457 | JFET; read from the layout by eye | |
| Q4 | 2N5457 | 2N5457 | JFET; read from the layout by eye | |
| ICs 1 | ||||
| IC1 | TL071 | TL071 | read from the layout by eye | |
| Potentiometers 2 | ||||
| Gain | A1M | A1M | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
| Trimmers 2 | ||||
| VR1 | 5K | 5k | Q1 drain bias ~6.4V; read from the layout by eye | |
| VR2 | 20K | 20k | Q2 drain bias ~4.5V; read from the layout by eye | |
| Switches 2 | ||||
| Bottom | SPST | SPST | toggle, type not stated; read from the layout by eye | |
| Bright | SPST | SPST | toggle, type not stated; read from the layout by eye | |
Other boards based on the Run Off Groove Thor
- Runoffgroove Thor Dirtbox Layouts
- RunOffGroove THOR Fuzz Dog · 1590B · £42.00
- Runoffgroove Thor Revolution Deux