Fasten Your Seatbelts. Knowledge for Speaker Designers Now Available in Voice Coil September 2025

In this issue of Voice Coil, you can’t miss Mike Klasco’s history lessons and situation report on speaker magnets and rare earth materials, his updated Directory of Materials Manufacturers for Consumer Audio Products, and subdirectory on Transducers for Soundbars and Bluetooth Speakers. Vance Dickason’s Test Bench characterizes the new BGW-D182-86-4-001 glass cone woofer from Glass Acoustic Innovations Technology (GAIT), followed by the W 174.38 Fibonacci woofer from RS Speakers, both being 6.5” drivers with innovative approaches.

The 2025 edition of the Loudspeaker Industry Sourcebook (LIS), the renowned annual industry supply chain reference publication, is now available. In this issue, once again there's an updated State of the Speaker Industry report, and valuable insights from industry experts and key companies in the sector. As always, the 2025 edition offers a series of must-read Industry Features, celebrates industry milestones, and includes our traditional questions and answers with a select audio industry panel.