Innovative Speakers and Headphone Drivers in Voice Coil January 2023

For this first issue of 2023, Voice Coil compiled a set of valuable headphone and earphone driver vendor directories, updated with the latest factories. The remainder of this issue is centered on Test Bench characterizations of two very innovative drivers that Vance Dickason has received. The first one on the Test Bench was the PTT6.5M08-NFA-01 6.5" Midrange from Purifi Audio; The second driver was the already popular SW26DBAC76-4 10" shallow subwoofer from SB Acoustics.

A longstanding mainstay of Outline’s diverse portfolio of products, the company's ET System measurement turntables have received important new developments and refinements and are now available in two new models - ET50-3D and ET250R2-3D - to suit different speed and load requirements. Outline’s original concept of a high-precision, computer-controlled turntable capable of placing significant loads with perfect accuracy in a measurement environment is in daily use around the world.

HEAD acoustics, one of the world's leading companies in the field of voice and audio quality optimization, introduced HQS-Audio, a new tool for its ACQUA analysis system that provides whole set of targeted electroacoustic measurements and helps to comprehensively test the quality of audio devices. Whether loudspeakers, headphones, or audio systems in vehicles, HQS-Audio provides independent test runs for each application, consisting of various electroacoustic measurements, including Thiele-Small parameters.