The Green Preamp

Projects > The Green Preamp

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.

Notable Features:

  • 4-LED VU meter
  • Transformerless
  • Extensive documentation makes this a good project for beginners


  • $6 for PSU PCB
  • $10 for channel PCB

More info:

  • The DIY Factory’s excellent build documentation