PPA v1 Amplifier Board

PPA, mostly populated

The PPA is ppl's Portable Amplifier. ppl has been building and advocating Jung multiloop type buffered headphone amp designs for a long time.

You can think of the PPA as a major extension of the design concepts that lead to the META42 plus some that appeared in previous ppl amps and some new ones we've pioneered for the PPA. By using a larger board than we allowed for the META42, we have been able to exceed the META42's performance considerably.

We later replaced this design with a newer version primarily featuring a discrete buffer design, plus other improvements.

The pre-made boards are no longer available, but the design files are published below if you want to go and make your own.

Specs:

Where to Next?

View the PPA v1 Amplifier Schematic
View the PPA v1 PCB Layout
Download the PPA ExpressPCB Design Files
Part Lists
Checklist
Part Selection Guide
Step-by-Step Assembly Guide
Tweaks
Bass Boost Calculator
Electronics Calculators
Official PPA Site


  Part Lists >>
Go back to The PPA Project Go to my home page