Enclosure not stated · 5 knobs
EarthQuaker Devices Zap Machine V2Verified
Based on the EarthQuaker Devices Zap Machine V2· 1 other board clones it
From the post
Traced by Gray Bench Electronics. It is basically a heavilly tweaked hybrid Tonebender Mk. II. I added an anti pop resistor at the input and reoriented the 4,7uF cap. Schematic and teardown video is avaiable HERE.
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 Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.
Parts list 34 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| ×4 | 1K | 1k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×2 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×4 | 12K | 12k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×3 | 47K | 47k | read from the layout by eye | |
| ×1 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 10 | ||||
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×1 | 470pF | 470p | read from the layout by eye | |
| ×2 | 1nF | 1n | read from the layout by eye | |
| ×1 | 6.8nF | 6.8n | read from the layout by eye | |
| ×3 | 10nF | 10n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×2 | 1uF | 1u | 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 3 | ||||
| Q1 | 2N5089 | 2N5089 | read from the layout by eye | |
| Q2 | 2N3904 | 2N3904 | read from the layout by eye | |
| Q3 | 2N1302 | 2N1302 | read from the layout by eye | |
| Potentiometers 5 | ||||
| Red | A500K | A500k | Potentiometer | read from the layout by eye |
| Green | A500K | A500k | Potentiometer | read from the layout by eye |
| Treble | B25K | B25k | Potentiometer | read from the layout by eye |
| Bass | B100K | B100k | Potentiometer | read from the layout by eye |
| Volume | B100K | B100k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 22K | 22k | read from the layout by eye | |
| Switches 1 | ||||
| Channel Sw | 3PDT | 3PDT | footswitch; read from the layout by eye | |
| LEDs 1 | ||||
| Channel LED | Bi color LED, common cathode | BI COLOR LED, COMMON CATHODE | off board; read from the layout by eye | |
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