Get the Loudspeaker Focus You Need with Voice Coil July 2018

The Voice Coil July 2018 edition is now available and full of great content and insights, apart from the indispensable patent reviews and Test Bench reviews. This edition focuses on Bonding, Dispensing, Coating, and Related Aspects in Speaker Production, and features a great article by Mike Klasco on the topic, as well as an updated industry directory. James Croft reviews a patent for a “Self-bias Emitter Circuit,” awarded to Turtle Beach, while Vance Dickason looks at two interesting new high-frequency transducers, from Radian Audio Engineering, and Spanish OEM manufacturer Beyma.

With InfoComm 2018 already behind us, it's time to look forward, when the very first edition of the Association of Loudspeaker Manufacturing & Acoustics International (ALMA International) Symposium & Expo (AISE 2019), will take place June 9 & 10, 2019, at the Double Tree by Hilton Universal, concurrent with InfoComm 2019, which will be held June 8-14, 2019, at the Orange County Convention Center in Orlando, Florida. Precisely because of that, we thought it would be fit to properly remember AISE 2018, the last edition which was held this year for the last time in Las Vegas, just before CES.

Preparing for the forthcoming InfoComm 2018 show, this edition of Voice Coil will be a welcome update for all industry professionals. Mike Klasco and Nora Wong discuss the latest trends and technologies for Earphones and Headphones, and provide an updated 2018 directory of leading OEM/ODM headphone and earphone factories. James Croft discusses a new Smart Bass Reflex Loudspeaker patent from Amazon, and Vance Dickason characterizes three different high-frequency drivers: one from a new company, BlieSMA, a dome tweeter from Tang Band (TB) Speaker, and a pro sound compression driver from B&C Speakers.

Voice Coil April 2018 highlights new drivers from Dayton Audio, and BlieSMa, a new OEM brand from Germany. There's an updated directory of Microspeaker vendors, and David Mathew and Joe Begin from Audio Precision explain all you need to know about the basics of testing headphones and earbuds. Vance Dickason characterizes two of the new Ellipticor drivers from Scan-Speak, and we pay tribute to loudspeaker pioneer Ejvind Skaaning (1929 - 2018). Get your copy now!

This month, in Voice Coil, read our AISE 2018 Report, Christopher Struck discusses "Efficiency Bandwidth Product for Loudspeaker Drivers," and James Croft reviews a patent originally claimed in 2013 on a Double Coil Speaker design, now granted to Friedrich Reining (Vienna, Austria), on behalf of Sound Solutions International from China. In this month's Test Bench, Dickason examines two 1" compression drivers: a new PEEK diaphragm compression driver from Precision Devices, the PD.CD1N, and the Peerless by Tymphany DFM-2544R00-08. Download your copy now.

Voice Coil February 2018 features an update of our annual Loudspeaker Cone Industry Suppliers Directory for 2018, expanded to incorporate specialized component vendors. James Croft reviews David Gunness' patent submission of a Passive Cardioid Speaker design and Vance Dickason characterizes a new Precision Devices 1.4" Titanium Diaphragm Compression Driver, plus Wavecor's new 10" PA woofer. All this and much more available in print and download now.

Voice Coil is gearing up for another exciting edition of the NAMM Show in Anaheim, CA, and this January 2018 edition features one of our most exciting Voice Coil directories, focusing on recent announcements about Headphone Measurement solutions. James Croft discusses a patent for an innovative flat speaker concept from Pioneer, while Vance Dickason characterizes a new 12” coaxial pro audio design from B&C Speakers. Download your Voice Coil now!

Don't miss Mike Klasco's overview of the latest trends in Audio Digital Signal Processing, a review of a new "knurled diaphragm," patent for planar magnetic drivers, and a User Report on LOUDSOFT's FINE R+D Analyzer, which, from 2018, will be implemented into the Test Bench measurement protocol. In Test Bench, learn more about a bass-midrange driver, and a woofer, from Eton and Volt, respectively.

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I know that the current trend is all about smart speakers, but since we have discussed that topic extensively in recent editorials, I thought the time was ripe to discuss what is happening with headphones, a still-growing market segment showing some signs that deserve attention. In this article I wrote for The Audio Voice newsletter, I address ongoing trends in design choices, user preferences, frequency response curves, and personalization.