Enclosure not stated · 2 knobs
Montarbo PB-2 Buzzer- fuzz sectionVerified
Based on the Montarbo PB-2 Buzzer- fuzz section
From the post
Schematic and info is avaiable HERE. Sadly, the 6 stage phaser section isn't included in the schematic but the fuzz section itself is still wuite unique. This one is already verified by Ian!
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 Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.
Parts list 20 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 2 values the reader of this layout was not sure of
- D1-D4: legend says 'Unknown rectifier diodes, try 1N400x'; no exact part number is given
- 56Ω lying on row K, columns 6-8: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| ×1 | 56Ω | 56 | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×4 | 10K | 10k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×4 | 1M | 1M | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| Capacitors 4 | ||||
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×2 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 5 | ||||
| D1 | 1N400x | 1N400X | legend: Unknown rectifier diodes, try 1N400x; read from the layout by eye | |
| D2 | 1N400x | 1N400X | legend: Unknown rectifier diodes, try 1N400x; read from the layout by eye | |
| D3 | 1N400x | 1N400X | legend: Unknown rectifier diodes, try 1N400x; read from the layout by eye | |
| D4 | 1N400x | 1N400X | legend: Unknown rectifier diodes, try 1N400x; read from the layout by eye | |
| D5 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | BC549B | BC549B | legend: BC549B, BC183B, BC184B etc. (BC149B in original); read from the layout by eye | |
| Q2 | BC549B | BC549B | legend: BC549B, BC183B, BC184B etc. (BC149B in original); read from the layout by eye | |
| Potentiometers 2 | ||||
| Tone | B22K | B22k | Potentiometer | read from the layout by eye |
| Volume | B22K | B22k | Potentiometer | read from the layout by eye |