Scan-Speak Expands Product Catalog with New Revelator Dome Tweeter and Classic Midwoofer

Scan-Speak announced two new drivers, each one strategically filling a gap in one of the brand's driver families. On the higher frequency range, Scans-Speak launched the Revelator 19 mm Dome Tweeter, D2104/712000, featuring the company's patented Symmetrical Drive (SD-2) motor, with a neodymium ring magnet system with double vent and coated textile diaphragm. The other driver is a brand new 15 cm midwoofer, the 15W/8534T00, expanding the established Classic line.

For this edition of Test Bench we characterized the Punktkilde AUGDL0003-JN03, a 1” magnesium-lithium alloy dome tweeter. This transducer, from Eastech’s relatively new Punktkilde line of home hi-fi drivers built in China and designed in Denmark by Scan-Speak engineers, is a tweeter from its magnesium-lithium product line, which includes this AUGDL0003-JN03 tweeter plus 4” thru 8” magnesium-lithium alloy cone woofers. This article was originally published in Voice Coil, November 2019.

November 2019 marks Voice Coil’s 33rd year as an information resource for the loudspeaker industry. For this edition, Mike Klasco focuses on "Measurement Microphones: Today and Tomorrow," while Nora Wong provides another valuable updated directory of Test & Measurement Microphone manufacturers and suppliers. James Croft reviews a new coaxial loudspeaker assembly patent granted to Tymphany, while Vance Dickason characterizes the DMA80-4, a 3" full-range speaker from Dayton Audio, and the AUGDL0003-JN03, a 1” magnesium-lithium alloy dome tweeter from Eastech’s Punktkilde line.

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.