Get Your Copy of Voice Coil September 2019 Before Heading to CEDIA!

Heading for the 2019 CEDIA Expo, where the Voice Coil team will be in full force, the September 2019 edition features an interesting overview of a new Multi-Driver Loudspeaker with Cross-Coupled Dual Wave-Columns patent, recently sold to Dolby Labs, and a close look at previous tapped wave-column design efforts. In Test Bench, Vance Dickason characterizes the new PD.124NR1 12” neodymium midbass driver from Precision Devices and from Eastech’s Punktkilde line, the FSA044010-0802, a 1” titanium dome tweeter. Voice Coil September 2019 is now available for download, together with all the industry news and updates.

Compact 1” to 2.5” diameter full-range drivers (micro speakers) are unquestionably one of the most used transducers in consumer electronics, finding broad applications in smart speakers, soundbars, and portable Bluetooth speakers. For this Test Bench we characterized the Punktkilde FSA621520-2300 2” diameter 3 Ω full-range driver. This article was published originally in Voice Coil, November 2018.

Compact 1” to 2.5” diameter full-range drivers (micro speakers) are unquestionably one of the most used transducers in consumer electronics. They are finding broad applications in smart speakers, soundbars, and portable Bluetooth speakers. This Test Bench examines the FSB611015-1400 neodymium full-range driver from Eastech's "designed in Denmark" Punktkilde line. This is a 1.5” diameter 4 Ω driver built on a proprietary stamped frame that is fully vented below the spider mounting shelf. This article was published originally in Voice Coil, November 2018.

Celebrating its 32nd anniversary, Voice Coil carefully looks at future prospects, starting with an overview of the neodymium supply chain and its implications for the loudspeaker industry, while Test Bench characterizes two full-range neodymium drivers from Eastech’s Punktkilde compact line, typically used in smart speakers and soundbars. In acoustics patents, James Croft reviews the "Acoustic Filter for Omnidirectional Loudspeaker" patent recently awarded to Samsung Electronics. Download now!

The Wireless Speaker and Audio (WiSA) Association is continuing its strategic growth with the addition of two members. Sound United is returning to the Association’s roster with Eastech - the company behind Punktkilde and Scan-Speak brands and considerable Asia-based manufacturing facilities - also joining as a member. Both companies join WiSA as it continues to experience significant membership growth with major suppliers, manufacturers and speaker brands in the audio industry.