1590A · 1 knob
Dan Armstrong Green RingerVerified
Based on the Dan Armstrong Green Ringer· 9 other boards clone it
- Category
- Octave / Pitch
- Controls
- Volume
- Build
- Perfboard
- Layout
- Verified · Effects Layouts (blog) marks it as built and working
- Tags
- Dan Armstrong, Octave
From the post
Here's another Dan Armstrong effect. It's part ring modulator (when playing chords) and part octave (when playing on the neck pickup, high on the fretboard with the guitar tone control down). For the clearest octave effect, match the diodes as closely as possible for forward voltage. It might also be worth matching the 47nF caps and the 10K and 22K resistors.
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 19 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 9 | ||||
| ×1 | 18K | 18k | read from the layout by eye | |
| ×1 | 160K | 160k | read from the layout by eye | |
| ×1 | 560K | 560k | read from the layout by eye | |
| ×3 | 10K | 10k | read from the layout by eye | |
| ×1 | 6.2K | 6.2k | read from the layout by eye | |
| ×1 | 1.5M | 1.5M | read from the layout by eye | |
| ×2 | 68K | 68k | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| Capacitors 3 | ||||
| ×3 | 47nF | 47n | 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 3 | ||||
| ×1 | 1N4001 | 1N4001 | read from the layout by eye | |
| D1 | ? | ? | value not given; legend: silicon or germanium; read from the layout by eye | |
| D2 | ? | ? | value not given; legend: silicon or germanium; read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | 2N5088 | 2N5088 | read from the layout by eye | |
| Q2 | 2N3906 | 2N3906 | read from the layout by eye | |
| Q3 | 2N5088 | 2N5088 | read from the layout by eye | |
| Potentiometers 1 | ||||
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
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