1590B · 3 knobs
Basic Audio ZippyVerified
Based on the Basic Audio Zippy· 4 other boards clone it
From the post
The Zippy is a silicon fuzz designed to give that vintage brassy sound. I've laid it out for board mounted pots and it'll fit in a 1590B or a 125B with top mount jacks. In the words of John Lyons...
Early fuzz boxes were designed to emulate the sounds of the saxophone.The Zippy will allow you to channel your inner Coltrane with very reedy fuzz tones. Saxy and sexy.At lower settings a nice musical razor blade fuzz sizzle.Turn it up and it becomes an increasingly sharper toothed saw blade fuzz. It snarls. It spits. It goes from fat and thick to thin and cutting without losing it's signature top end sizzle and low end rumble.The body control (bass cut) makes it easy to dial in just the right amount of beef. Zipper fuzz tones bloom and softly decay.
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 18 rows
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Check before you build · 1 value the reader of this layout was not sure of
- Q1-2: the legend prints MPSA6513, which is not a part; entered as MPS6513
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 4.7M | 4.7M | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| Capacitors 4 | ||||
| ×3 | 47nF | 47n | read from the layout by eye | |
| ×2 | 1nF | 1n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | MPS6513 | MPS6513 | printed 'MPSA6513' on the drawing; read from the layout by eye | |
| Q2 | MPS6513 | MPS6513 | printed 'MPSA6513' on the drawing; read from the layout by eye | |
| Potentiometers 3 | ||||
| Body | B50K | B50k | Potentiometer | read from the layout by eye |
| Fuzz | B50K | B50k | Potentiometer | read from the layout by eye |
| Volume | B50K | B50k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | SPST | SPST | wired to Sw1/Sw2; read from the layout by eye | |
Other boards based on the Basic Audio Zippy
- Basic Audio Zippy Fuzz Dirtbox Layouts
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