1590B · 2 knobs
BJF Bone BenderVerified
Based on the BJF Bone Bender
From the post
Happy Fuzz Friday! As requested, here's Bjorn's Bone Bender. Lots of great info and schematic in this doc. Should fit nicely in a 1590B.
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 17 rows
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Check before you build · 1 value the reader of this layout was not sure of
- 300K resistor at column 5, rows H-K: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| ×3 | 1M | 1M | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 300K | 300k | read from the layout by eye | |
| ×2 | 15K | 15k | read from the layout by eye | |
| ×1 | 47Ω | 47 | read from the layout by eye | |
| Capacitors 5 | ||||
| ×2 | 100pF | 100p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×1 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 220uF | 220u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×1 | 1N4001 | 1N4001 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | J113 | J113 | JFET; read from the layout by eye | |
| Q2 | NPN Germanium | NPN GERMANIUM | hFE 60-150; read from the layout by eye | |
| Q3 | NPN Germanium | NPN GERMANIUM | hFE 60-150; read from the layout by eye | |
| Potentiometers 2 | ||||
| Attack | B50K | B50k | Potentiometer | read from the layout by eye |
| Volume | A50K | A50k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×2 | 25K | 25k | read from the layout by eye | |