The Green Preamp is a rather simple, transformerless preamp loosely based around the Amek Mozart preamps. The creator offers channel and PSU PCBs, as well as layouts for those who choose to self-etch, on his website. Since it’s introduction, the Green Preamp has become a staple among DIYers for it’s low cost, ease of building, and excellent performance.
- 4-LED VU meter
- Extensive documentation makes this a good project for beginners
- $6 for PSU PCB
- $10 for channel PCB
- The DIY Factory’s excellent build documentation