1590A · 1 knob
TubeSound OverdriveVerified
Based on the Arsenio Novo Tubesound Overdrive· 2 other boards clone it
From the post
Here's a simple one-knob drive that's ripe for modification. It uses an interesting combination of one NPN and one PNP silicon transistor stacked together. There are a few different values you can tweak to taste. Here's a schematic for reference:
• The input capacitor (C1) could be increased for more bass.
• C2 could be increased to 47-100µF for more drive.
• The output capacitor (C3) could be decrease for more treble.
• R5 could be replaced by a 10-20k pot, lug 1 going to ground. C2 could then be moved between lugs 1 and 2. This would act as a gain control (much like in a Fuzz Face).
• R3 (trimmer) could be moved off-board as an alternative bias/gain control.
I haven't tried these modifications, but they should do something interesting. YMMV
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 12 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 3 | ||||
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| Capacitors 4 | ||||
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×1 | 1N4001 | 1N4001 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | 2N3906 | 2N3906 | read from the layout by eye | |
| Q2 | 2N3904 | 2N3904 | read from the layout by eye | |
| Potentiometers 1 | ||||
| Vol | A100K | A100k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 20K | 20k | read from the layout by eye | |
Other boards based on the Arsenio Novo Tubesound Overdrive
- Arsenio Novo Tube Sound Overdrive Revolution Deux
- Arsenio Novo Tubesound Overdrive Tagboard Effects