Enclosure not stated · 3 knobs
From the vendor
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As long as DIY effects have been available, the JFet Bias tremolo has been available and popular. This version features some common modifications, including the volume boost option, and the ‘blinking LED’ option as well. This effect sounds great, is versatile, and is a very easy build.
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Schematic
The schematic is in the vendor's build document. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 30 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 15 | ||||
| R1 | 1K | 1k | ||
| R9 | 10K | 10k | ||
| R2 | 68K | 68k | ||
| R10 | 10K | 10k | ||
| R3 | 15K | 15k | ||
| R11 | 180R | 180 | ||
| R4 | 2.2M | 2.2M | ||
| R12 | 1.2K | 1.2k | ||
| R5 | 120K | 120k | ||
| R13 | 560K | 560k | ||
| R6 | 1M | 1M | ||
| R14 | 150K | 150k | ||
| R7 | 1M | 1M | ||
| R15 | 4.7K | 4.7k | ||
| R8 | 1M | 1M | ||
| Capacitors 7 | ||||
| C1 | 1uF | 1u | ||
| C2 | 1uF | 1u | ||
| C7 | 47nF | 47n | ||
| C3 | 1uF | 1u | ||
| C8 | 220nF | 220n | ||
| C4 | 470nF | 470n | ||
| C9 | 470nF | 470n | ||
| Diodes 1 | ||||
| D1 | 1N4001 | 1N4001 | ||
| Transistors 4 | ||||
| Q1 | 2N5088 | 2N5088 | ||
| Q4 | 2N5088 | 2N5088 | ||
| Q2 | 2N5457 | 2N5457 | ||
| Q3 | 2N5457 | 2N5457 | ||
| Potentiometers 3 | ||||
| DEPTH | B250K | B250k | Potentiometer | |
| SPEED | A100K | A100k | Potentiometer | |
| LEVEL | A100K | A100k | Potentiometer | |