Voice Coil August 2025 - PDF

VOLUME 38, ISSUE 10  —  AUGUST 2025IN THIS ISSUE 1 INDUSTRY NEWS & DEVELOPMENTSNext-Generation Klippel LoudspeakerParameter Measurement—FLSIBy Jonathan Gerbet 10 DIRECTORY2025 Global Voice Coil WindersBy Mike K lasco 14 SUBDIRECTORYConverters, Lead Out Wire, and Magnetic Fluid SuppliersBy Mike Klasco TEST BENCH16 The New 10NTLW2500 Pro SoundTetracoil from Eighteen SoundBy Vance Dickason 24 The UMII12-22 from Dayton Audio’sNew Ultimax II Subwoofer LineBy Vance Dickason 29 INDUSTRY WATCHBy 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 foun