1590A · 2 knobs
Run Off Groove RubyVerified
Based on the Run Off Groove Ruby· 3 other boards clone it
From the post
Got a request for a headphone amp, "for those of us who hit their peak inspiration when everyone's asleep." Being guilty myself of waking up my 1 year old son with a Peavey Classic 50 with the volume only at 2, I thought this was an excellent idea. So here's ROG's Ruby–a 386-based amplifier that can easily fit in a 1590A, or even an Altoids tin. Check out the ROG article on the circuit for more info and a couple of mods.
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 12 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 3 | ||||
| ×1 | 1.5M | 1.5M | read from the layout by eye | |
| ×1 | 3.9K | 3.9k | read from the layout by eye | |
| ×1 | 10Ω | 10 | read from the layout by eye | |
| Capacitors 4 | ||||
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 100uF | 100u | 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 1 | ||||
| Q1 | MPF102 | MPF102 | JFET; legend: MPF102 or 2N5457; read from the layout by eye | |
| ICs 1 | ||||
| ×1 | LM386 | LM386 | read from the layout by eye | |
| Potentiometers 2 | ||||
| Volume | B10K | B10k | Potentiometer | read from the layout by eye |
| Gain | B1K | B1k | Potentiometer | read from the layout by eye |
Other boards based on the Run Off Groove Ruby
- Ruby / Noisy Cricket Mini Guitar Amp Fuzz Dog · 1590B · £28.80
- Ruby / Noisy Cricket Mini Guitar Amp Fuzz Dog · £18.00
- Ruby / Noisy Cricket Vertical Fuzz Dog · £28.80