PPAS (PPA v1.0 - SMD) Information Page.

ATTN- Looking for Beta Testers… help us make the PPAS better!

(6/5/06) - Preliminary Bill of Materials Done.

(6/5/06) - Discrete Buffer board done.

(6/3/06) - PPAS Board finalized.

(6/1/06) - Group Buy for PCB in progress

(6/1/06) - PCB Development finalized.

Non-beginner DIY amp that balances the sound signature and quality of PPA with portability…

Highlights..

- Costs as much as a MINT… ($50.. cheapeast)

- 3 Channel differential Topology - Buffered.

- JFET- Isolated opamp rails a-la PPA.

- Option for fully discrete buffer stage.

Caveats..

- This board is nearly 100% surface mount, this should NOT be a first project

- This amp inherits all the benefits and drawbacks of the PPA, if you don’t like PPA sound signature, don’t build the PPAS.

· Bill of Materials.

NB - Contact Me for Boards and Hard-to-find parts.

· Board Artwork (top / bottom).

· (NEW!) Discrete Buffer Daughterboard.

· (NEW!) Pictures.

· Schematic

· Circuit Explanation /Parts Recommendations.

· Build Instructions. (coming soon)

A List of Builders…

If you can’t build it, there are a few people who can build it on Head-fi forums.

- DieInAFire.. Primary prototyper for this project.. also builds PINTs.

- [AK]Zip .. Zero failure rate with the PINT.

(Contact me if you’re a builder and you do PPAS).

Contact Me.