Enclosure not stated · 3 knobs
Yerasov Gamma DS-1 DistortionVerified
Based on the Boss DS-1· 13 other boards clone it
- Category
- Distortion
- Controls
- Distortion · Tone · Level
- Build
- Vero
- Layout
- Verified · Tagboard Effects marks it as built and working
- Tags
- Distortion, Yerasov
From the post
Old Yerasov Gamma series distortion. Box totally looks like a Boss rip off, but the insides are not.
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.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 9 | ||||
| ×1 | 330Ω | 330 | read from the layout by eye | |
| ×3 | 1K | 1k | read from the layout by eye | |
| ×1 | 2.4K | 2.4k | read from the layout by eye | |
| ×1 | 4.3K | 4.3k | read from the layout by eye | |
| ×4 | 12K | 12k | read from the layout by eye | |
| ×3 | 22K | 22k | read from the layout by eye | |
| ×1 | 390K | 390k | read from the layout by eye | |
| ×4 | 470K | 470k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| Capacitors 12 | ||||
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 33nF | 33n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×5 | 68nF | 68n | read from the layout by eye | |
| ×1 | 470nF | 470n | read from the layout by eye | |
| ×1 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| ×2 | 2N3904 | 2N3904 | or equivalent (KT315 in original); read from the layout by eye | |
| ICs 1 | ||||
| IC1 | TL072 | TL072 | dual opamp with TL072 or JRC4558 pinout (574YD2 in original); read from the layout by eye | |
| Potentiometers 3 | ||||
| Distortion | A220K | A220k | Potentiometer | try 250K; read from the layout by eye |
| Tone | A220K | A220k | Potentiometer | try 250K; read from the layout by eye |
| Level | A220K | A220k | Potentiometer | try 250K; read from the layout by eye |
| LEDs 1 | ||||
| ×2 | red LED | RED LED | D2, D3; read from the layout by eye | |
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