Learn About Voice Coils in Voice Coil August 2016. Now Available!

The August 2016 edition of Voice Coil is now available online and in print. This month the Spotlight focus is on voice coil technology and production. This is complemented by the indispensable Voice Coil Manufacturers directory, also featured in this issue. James Croft reviews an independently claimed patent for an “Orthogonal Ergonomic Speaker” and Vance Dickason characterizes two transducers from Italian Pro Sound OEM manufacturer B&C Speakers. Check out these and the usual mix of Industry News & Developments.

B&C Speakers has just introduced its new MBX series of mid-bass woofers, available in 6-inch, 8-inch, and 10-inch frame sizes. Designed as a solution for two way systems and multi-driver applications, according to the Italian manufacturer, the new MBX woofers offer a balance between low and mid frequency reproduction, with high sensitivity for reduced amplifier current requirements. All woofers feature a neodymium ring magnet, copper-clad aluminum voice coil wire, ventilated voice coil gap, and an aluminum demodulation ring.

Much to read in Voice Coil July 2016, starting with an article by Mike Klasco about protection treatments for speakers and mobile electronics, followed by a discussion about “Boundary Effects on Sources at Low Frequencies” by Christopher J. Struck. James Croft reviews a patent of an improved speaker structure and Vance Dickason looks at one ribbon tweeter from Fountek, a new 1” dome tweeter from Tang Band Speaker and a closed-back midrange driver from B&C Speakers, and then reviews Revolution Acoustics’ SSP6 actuator, which is able to transform any panel structure into an audio speaker.

This Test Bench characterizes the DE1085TN driver, a new high power handling titanium diaphragm DE1085TN compression driver from Italian OEM pro sound manufacturer, B&C Speakers. The compression driver is coupled with B&C Speakers’ ME60 60 H × 40 V constant directivity cast-aluminum horn with a 0.8-kHz cutoff frequency. This article was originally published in Voice Coil, September 2015.

B&C Speakers provided the DE980TN-8 — a high-performance titanium diaphragm neodymium compression driver — coupled with a ME90 horn for this Test Bench. The DE980TN is the latest version of B&C Speakers’s 75mm (3.0 in) voice coil, neodymium high frequency driver. The diaphragm in this model has been completely redesigned to incorporate a bent edge voice coil former, new dome and surround geometry and an optimized phase plug. This article was originally published in Voice Coil, September 2013.

This Test Bench sample is the DE550, a new 1” polymer diaphragm compression driver from Italian OEM pro sound manufacturer B&C Speakers. B&C Speakers’ new polymer diaphragm neodymium DE550-8 compression driver is coupled with B&C Speakers’ ME20 90° × 60° horn. This article was originally published in Voice Coil, June 2015.

Brand new for Prolight+Sound 2016 from the Florence, Italy, speaker specialist B&C Speakers, the new 21” 21DS115 subwoofer introduces a new four layer, aluminum voice coil design with demodulating ring that the company says will offer significant improvements. There’s also the new 10MBX64 10-inch LF driver and new DE990TN and DE1090TN super-compact neodymium magnet compression drivers.

This Test Bench is about the 12NDL88 from Italian pro sound OEM, B&C Speakers. The 12NDL88 is a new 12” high sound pressure level (SPL) woofer, with a neodymium motor and a continuous power handling rating of 1,400 W (700 W RMS). This article was originally published in Voice Coil, August 2015.

In this issue of Voice Coil: Lookout for upcoming shows, CEDIA Expo in Dallas and the new Loudspeaker Sourcing Show in China. Mike Klasco guides us on a visit to YY, one of the largest diaphragm forming vendors. Test Bench features a 10” woofer from Morel’s Ultimate Titanium line, and a new 2” titanium compression driver from B&C Speakers.

The August 2015 edition of Voice Coil features an important industry update on what’s new in voice coils, prepared by Mike Klasco, including the latest directory of voice coil manufacturers. In Acoustic Patents we discuss a new “Desktop Audio Monitor System and Method” and this month’s Test Bench features two 12” drivers from B&C Speakers and Prescient Audio.