125B · 6 knobs
EQD The WardenVerified
Based on the EarthQuaker Devices The Warden· 6 other boards clone it
- Category
- Compressor
- Build
- Perfboard
- Layout
- Verified · Effects Layouts (blog) marks it as built and working
- Tags
- Compressor, Earthquaker Devices
From the post
This one was due for a revision/redo. Optical compression with all the knobs from our favorite pedal slingers in Akron. Will fit nicely in a 125B with top mounted jacks.
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 32 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 9 | ||||
| ×4 | 1M | 1M | read from the layout by eye | |
| ×5 | 10K | 10k | read from the layout by eye | |
| ×3 | 47K | 47k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| ×1 | 10M | 10M | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| Capacitors 8 | ||||
| ×3 | 22nF | 22n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×2 | 100pF | 100p | read from the layout by eye | |
| ×2 | 1uF | 1u | film box; read from the layout by eye | |
| ×3 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×3 | 10uF | 10u | 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 2 | ||||
| ×2 | 1N4148 | 1N4148 | read from the layout by eye | |
| ×3 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | MPSA18 | MPSA18 | read from the layout by eye | |
| Q2 | 2N5089 | 2N5089 | read from the layout by eye | |
| Q3 | 2N5089 | 2N5089 | read from the layout by eye | |
| ICs 2 | ||||
| ×1 | OPA2134 | OPA2134 | read from the layout by eye | |
| ×1 | TC1044 | TC1044 | charge pump; read from the layout by eye | |
| Opto 1 | ||||
| ×1 | LDR | LDR | read from the layout by eye | |
| Potentiometers 6 | ||||
| Attack | B10K | B10k | Potentiometer | read from the layout by eye |
| Release | B50K | B50k | Potentiometer | read from the layout by eye |
| Tone | B100K | B100k | Potentiometer | read from the layout by eye |
| Sustain | C1M | C1M | Potentiometer | read from the layout by eye |
| Ratio | B100K | B100k | Potentiometer | read from the layout by eye |
| Level | B50K | B50k | Potentiometer | read from the layout by eye |
| LEDs 1 | ||||
| ×1 | 5mm white | 5MM WHITE | on board, faces the LDR; read from the layout by eye | |
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