Voice Coil August 2026 - PDF

VOLUME 39, ISSUE 9 — JULY 2026 IN THIS ISSUE 1 FOCUS Special Focus on Voice Coils By Mike Klasco 7 FOCUS Poyun Group Makes Big Moves By Mike Klasco 11 SPOTLIGHT The SpeaD Spider Designer Nonlinear Spider Modeling by Simulation By Patrick Turnmire TEST BENCH 15 The ROSSO-25CDN-P 1” Compression Driver from SB Audience By Vance Dickason 19 The M64F001 High-End 2.5” Fabric Dome Neo Midrange from SEAS By Vance Dickason 22 The TSQ2460 24” Pro Sound Woofer/Subwoofer from Celestion By Vance Dickason 28 INDUSTRY WATCH By Vance Dickason (A link for downloading the magazine issue PDF is sent immediately following payment. Please be sure to use a valid email address.) • • • Voice Coil, the periodical for the loudspeaker industry is free for those who qualify (audio or loudspeaker industry professionals). Or you can also simply purchase a subscription for the print or digital edition (digital is recommended outside the US). Click here for subscription services. A small sample of James Croft's Patent Reviews can be found here. Sample Test Bench articles available online here.