1590A · 1 knob
Lovepedal TchulaVerified
Based on the Lovepedal Tchula· 2 other boards clone it
From the post
Another Electra variation from Lovepedal. It's described as a two-stage COT50... I guess the "stages" are the different ways to bias the transistor off the emitter. The stages are switchable via footswitch in the originals, but if you put it on a toggle switch you should be able to fit it in a 1590A. Here's the schematic (this was traced from a cream box Tchula):
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 15 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 6 | ||||
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 330Ω | 330 | read from the layout by eye | |
| ×1 | 680Ω | 680 | read from the layout by eye | |
| ×1 | 3.3M | 3.3M | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| Capacitors 4 | ||||
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| Diodes 2 | ||||
| ×2 | BAT46 | BAT46 | read from the layout by eye | |
| ×1 | 1N5817 | 1N5817 | printed 5817; read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | 2N5088 | 2N5088 | read from the layout by eye | |
| Potentiometers 1 | ||||
| Bias | B1K | B1k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | DPDT | DPDT | legend: DPDT footswitch (or SPST toggle); switches the emitter bypass cap, not the bypass; read from the layout by eye | |
Other boards based on the Lovepedal Tchula
- Lovepedal Tchula Dirtbox Layouts
- Tchula PCBWay: Glory to Ukraine