A quick post about an old design.
This is a simple 3 mono input mixer.
BOM
| Reference | Value |
| U1 | TL072 |
| R7 | 10k |
| R10 | 47k |
| R9 | 10k |
| R8 | 10k LOG |
| R4 | 47k |
| R1 | 10k LOG |
| R2 | 10k LOG |
| R3 | 10k LOG |
| R5 | 47k |
| R6 | 47k |
| C1 | 100n |
| C2 | 100n |
| J1 | Output |
| K1 | Inputs |
| TP1 | Mix |
| TP2 | In1 |
| K3 | Output |
| C3 | 100µ |
| C4 | 100µ |
| L1 | Bead |
| L2 | Bead |
| TP3 | +12V |
| TP4 | -12V |
| K2 | Euro Power |
mixer 3 mono inputs
Thx for the pcb is there any docs for the build or BOM
Steve Canada