Pure Acourate Sound Project: Greater Than the Sum of Its Parts

audioXpress traveled to Germany to learn about the Pure Acourate Sound Project, which aims to create the lowest distortion sound in a listening room. The initiators of the Pure Acourate Sound project are Ulrich Brüggemann, Markus Grelka, and Ralf Höllmann. The partners involved in this unique system are Purifi Audio, Okto Research, GIK Acoustics, Klippel, Roon, AudioVero, Rose Handwerk, and Joachim Gerhard. Ahead of the presentation at the May 2024 Munich High-End show, audioXpress offers a preview of the project.

Looking for a headphone amplifier—and a challenge? You can build the design presented in this article with easily obtainable components.

You can build a tube amplifier that's similar to the original Nardeux Stereomatic 302 S. Follow these steps to create a powerful amplifier that produces satisfying music output.

Shannon Becker interviews Ken Heng Gin Loo, the founder of the diy-audio-guide.com website. Ken is of Malaysian Chinese origins, and studied in the United Kingdom, where he graduated in Electrical and Electronics Engineering (Honors) from the University of Manchester, UK. Today he lives in a beautiful tropical island named Pulau Pinang (aka Penang) in Malaysia. Ken has a passion for DIY audio, in particular tube amplifiers, Tripath amplifiers, high-efficiency loudspeakers, and high-quality audio reproduction. This article was originally published in audioXpress, December 2013.