Smash Drive is a DIY classic built around the LM386. This is a great sounding project that is easy to build with just a few easy to find parts.
PCB
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Parts List
R1 | 1M |
R2 | 470K |
R3 | 100r |
R4 | 22K |
R5 | 100r |
RLED | 1K-10K |
C1 | 100µ |
C2 | 22µ |
C3 | 47µ |
C4 | 47µ |
C5 | 10n |
C6 | 4n7 |
C7 | 100n |
VOLUME | B250K |
GAIN | B500r * |
IC1 | LM386 |
D1 | LED |

I used 9mm pots when I designed the board. After ordering the boards I realized I couldn’t source a 500r pot from Tayda. If you have problems sourcing this value you can use 1K pot and bridge legs 1 and 3 with a 1K resistor. This worked for me. See the images below.

Drill your enclosure
Use this drill guide. Be sure to print the drill guide at 100%.



Wire it up
Follow the wiring guide.












