Get a Triple Shot of Loudspeaker Insights in Voice Coil July 2025

In Voice Coil July 2025, Vance Dickason offers great insights into Distortion vs. Programming in DSP Processors, followed by a triple dose of Test Bench characterizations. Learn about the new ML15RCY/TP Dedicated Midrange from SEAS, the recent CD-2514Nd/PK 1.4” Compression Driver from Beyma, and the new AMT2838 Tweeter from REDCATT. Also included is an updated directory of Adhesives, Coatings, Sealants, and Dispensing Equipment suppliers.

This Test Bench edition characterizes the 140FCD 1" compression driver from REDCATT, a relatively new OEM pro sound driver manufacturer - a privately held, international company established in 2014 and based in FuMing Industrial City, DongGuan, China. The core management team at REDCATT has been sourcing and building transducer components, sub-assemblies and systems in China for more than 25 years, and its team members have been working around the world for the biggest companies in the audio market with direct R&D and manufacturing experience. This article was published originally in Voice Coil, August 2020.

The August 2020 edition of Voice Coil magazine opens with a great article by Igor Levitsky on “The Advantages of Thin-Film High-Frequency Transducers,” followed by a tutorial on voice coils by Mike Klasco, and an updated directory of vendors. James Croft reviews a speaker design patent from Panasonic, and Vance Dickason places the LT2 ribbon transducer and waveguide from Radian Audio Engineering, and the 140FCD 1" compression driver from REDCATT on his Test Bench.