Voice Coil Test Bench: Wavecor’s New SW259WA01 10.25” High Xmax Subwoofer

This article offers a detailed characterization of Wavecor's latest SW259WA01 High Xmax Subwoofer. This new 10.25” subwoofer has a generous feature set that includes a proprietary six-spoke cast-aluminum frame that is substantial enough to support the heavy ferrite motor assembly and incorporates 36 vents below the spider mounting shelf. Other features include a very stiff and thick flat profile aluminum cone, an ingenious motor system with enhanced cooling, and a 2" four-layer voice coil wound. This article was originally published in Voice Coil, February 2023.

Renowned high-end OEM manufacturer Wavecor continues to keep a focus on creativity and announced the results of its latest development efforts with three new drivers, all now in stock and ready for sampling. The new transducers comprise the WF275BD01 (4 ohm) and WF275BD02 (8 ohm) 10" mid/woofers in die cast frame, the TW022WA07/09 and TW022WA08/10 high-end tweeters, and the FR070WA05 70 mm aluminum-cone full-range driver with extended bass response.

This Voice Coil Focus article explores the fabrication, materials, and performance aspects of speaker cones, a critical component in driver design. With the author's extensive experience in dealing with innovative speaker designs and bringing concepts into production, the article explains vital aspects of both paper pulp cone fabrication and polypropylene cones, addressing even the lesser known aspects, such as software simulation programs used to model results before starting tooling. This article was originally published in Voice Coil, February 2020.

In the August 2015 edition of Voice Coil, Mike Klasco provided an industry update on the industry trends regarding voice coils. He starts with a look at the business side of speaker manufacturing and discusses new voice coil, collars and wire materials. The article also provides an insightful look-ahead on this critical part of speaker design.

Mike Klasco explains the evolution of speaker cone materials, from paper to the first experiments in plastics and finally to Polypropylene (PP), which became the preferred resin sheet material for thermoformed speaker cones. The article also discusses recent trends in woven composite cone fabrication. This article was published in Voice Coil, February 2014.