Welcome to Purity Audio Design

The Foundation Pre is a Class A tube preamplifier designed around the 6922/6DJ8 dual triode.

Comes standard with Bluetooth. Built in solid hardwood enclosure.

Direct Selling Price: $2599

Introductory Price: $1,999

The Foundation Buffer is uniquely designed around a White Cathode Follower circuit with a low output impedance using the 12AU7 dual triode. . At home between source and preamp or preamp and amp. Add the glorious tube sound to any solid state source or preamplifier.

Direct Selling Price: 2,299

Introductory Price: 1,839

The Foundation J-DAC is a vacuum tube DAC designed around the Geshelli JNOG2[J2] DAC. Comes standard with USB input. Built in solid hardwood enclosure.

Direct Selling Price: $2599

Introductory Price: $1,999

The new Harmonia v3 is a DHT tube output stage for up to 4 source components using the 45/2A3 or 2.5v 300B tubes. Also available as 300B unit. Custom Builds Welcome.

Available as single ended or balanced

Starting At: $

Products found here are products we do not sell here at Purity Audio Design but highly recommend.  

These product lines come from our most trusted manufacturers.

Purity Audio Design is an authorized dealer for Silversmith Cables

All our manuals are located here on our web site. 

Please take the time to review the manual before setting up in your system.