Enclosure not stated · 3 knobs
JMK PCBs· 010
Happy Birthday Overdrive
Based on the BJFe Honey Bee Overdrive
- Category
- Overdrive
- Controls
- Gain · Tone · Level
- Difficulty
- Easy
- Price
- $12.00in stock
- Tags
- limited-edition
From the vendor
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The Happy Birthday Overdrive uses a Single Op-Amp for the distortion section and a JFet transistor for a makeup gain after a very unique tone section, which also affects the drive at the output. It’s a great light to medium overdrive with slightly fuzz like overtones.
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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 37 rows
Report a wrong parse| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 16 | ||||
| R1 | 1M | 1M | ||
| R10 | 1K | 1k | ||
| R2 | 15K | 15k | ||
| R11 | 2.2K | 2.2k | ||
| R3 | 360K | 360k | ||
| R12 | 47K | 47k | ||
| R4 | 31.6K | 31.6k | ||
| R13 | 10K | 10k | ||
| R5 | 51R | 51 | ||
| R14 | 1K | 1k | ||
| R6 | 31.6K | 31.6k | ||
| R15 | 3K | 3k | ||
| R7 | 5.6K | 5.6k | ||
| R16 | 27K | 27k | ||
| R8 | 47K | 47k | ||
| R9 | 1M | 1M | ||
| Capacitors 11 | ||||
| C1 | 47nF | 47n | ||
| C9 | 4.7nF | 4.7n | ||
| C10 | 100pF | 100p | ||
| C4 | 1uF | 1u | ||
| C11 | 22nF | 22n | ||
| C5 | 4.7nF | 4.7n | ||
| C12 | 4.7nF | 4.7n | ||
| C6 | 4.7nF | 4.7n | ||
| C13 | 1uF | 1u | ||
| C7 | 220nF | 220n | ||
| C14 | 22nF | 22n | ||
| Diodes 3 | ||||
| D3 | 1N4001 | 1N4001 | ||
| D4 | 1N4001 | 1N4001 | ||
| D5 | 1N4001 | 1N4001 | ||
| Transistors 1 | ||||
| Q1 | 2N5457 | 2N5457 | ||
| ICs 1 | ||||
| IC1 | CA3130 | CA3130 | ||
| Potentiometers 3 | ||||
| GAIN | A500K | A500k | Potentiometer | |
| TONE | A50K | A50k | Potentiometer | |
| LEVEL | B50K | B50k | Potentiometer | |
| LEDs 2 | ||||
| D1 | LED | LED | ||
| D2 | LED | LED | ||