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About Vance Dickason

Vance Dickason has been working as a professional in the loudspeaker industry since 1974. A contributing editor to Speaker Builder magazine (now audioXpress) since 1986, in November 1987 he became editor of Voice Coil, the monthly Periodical for the Loudspeaker Industry, today published by KCK Media Corp. His globally acclaimed book Loudspeaker Design Cookbook is now in its 8th Edition, published by KCK Media. A life member of the Audio Engineering Society, Vance received the 1995 AES Citation Award for his long term contribution to audio education, and the 2013 Beryllium Award, Lifetime achievement from ALMA (Associating of Loudspeaker Manufacturers and Acoustics, now ALTI Association). Since 2001, he also does business as Vance Dickason Consultancy based out of Portland, Oregon, working as an independent engineering consultant to loudspeaker manufacturers.

All items written by Vance Dickason

Test Bench: Celestion AN3510 Line Source Driver

May 11, 2016 by Vance Dickason

Test Bench: Celestion AN3510 Line Source Driver

This Test Bench focuses on the Celestion AN3510, from its series of line source drivers. The AN3510 is a 3.5” diameter aluminum cone neodymium motor full-range transducer, built on a proprietary six-spoke molded-glass reinforced ABS frame. This article was originally published in Voice Coil, September 2013.

Test Bench: B&C Speakers DE550-8 Compression Driver

April 30, 2016 by Vance Dickason

Test Bench: B&C Speakers DE550-8 Compression Driver

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.

Prescient Audio TD-12, a new 12” ThinDriver

April 27, 2016 by Vance Dickason

Prescient Audio TD-12, a new 12” ThinDriver

This Test Bench characterizes the TD-12, a new 12” subwoofer from Prescient Audio, the result of the company’s ThinDriver design, named an International CES Innovations 2014 Design and Engineering Awards Honoree, in the High Performance Home Audio product category. The TD-12 has a physical mounting depth of only 2.25” to the bottom of the frame (2.68” to the top of frame) and an extremely shallow 35-mm depth proprietary eight-spoke cast aluminum frame. This article was originally published in Voice Coil, August 2015.

Tang Band T1-1942SB Turnkey Full-Range Stereo Microsystem

April 16, 2016 by Vance Dickason

Tang Band T1-1942SB Turnkey Full-Range Stereo Microsystem

This Voice Coil Test Bench characterizes Tang Band’s T1-1942SB full-range stereo microsystem, which is offered as a turnkey solution, combining the T1-1942SB rear-firing round passive radiator modules in a cylindrical enclosure, with the addition of its own Bluetooth amplifier. A complete stereo system, which can be configured in various enclosure shapes. This article was originally published in Voice Coil, May 2015.

Test Bench: Dayton Audio LS10-44 and LS12-44 Shallow-Mount Subwoofers

April 14, 2016 by Vance Dickason

Test Bench: Dayton Audio LS10-44 and LS12-44 Shallow-Mount Subwoofers

Dayton Audio sent a pair of new shallow-mount home/car audio subwoofers, the 10” LS10-44 and the 12” LS12-44. Both subwoofers are less than 4” deep. Since these are 10” and 12” versions of the same concept, Vance Dickason decided to analyze the Dayton Audio LS10/12 together rather than separately. This article was originally published in Voice Coil, May 2015.

Test Bench: Wavecor TW030WA13/14 Neodymium Tweeters

April 2, 2016 by Vance Dickason

Test Bench: Wavecor TW030WA13/14 Neodymium Tweeters

This Test Bench characterizes the Wavecor TW030WA13/14 neodymium tweeters. The A13 is the 4-Ω version, while the A14 is the 8-Ω version and both offer a 30-mm wide surround precision-coated cloth diaphragm optimized for high-frequency cutoff above 20 kHz. This article was originally published in Voice Coil, April 2015

Test Bench: Bozhen CQ76 Ribbon Tweeter

March 25, 2016 by Vance Dickason

Test Bench: Bozhen CQ76 Ribbon Tweeter

This Test Bench focused on a ribbon driver from Bozhen New Audio Lab. The CQ76 is a ribbon loudspeaker designed for household hi-fidelity systems as a mid-high unit, featuring a crossover frequency at 1500Hz and very low distortion under high power output. This article was originally published in Voice Coil, April 2013.

Test Bench: RCF ND950 Neodymium Compression Driver and HF950 Horn

March 23, 2016 by Vance Dickason

Test Bench: RCF ND950 Neodymium Compression Driver and HF950 Horn

In this Test Bench, Vance Dickason characterizes for the first time a transducer from RCF. In this case, a combination of the ND950 1.4 neodymium compression driver along with the HF950 injection-molded composite horn specifically designed to work with the ND950. This article was originally published in Voice Coil, April 2013.

Test Bench: Beston Technology RT002A Ribbon Tweeter

March 16, 2016 by Vance Dickason

Test Bench: Beston Technology RT002A Ribbon Tweeter

This Test Bench is dedicated to the Beston RT002A ribbon tweeter. Beston Technology was founded in 2002 in Taipei, Taiwan. Since its inception, Beston has focused on high-frequency ribbon devices using a Kapton substrate. The first transducer Beston sent to Voice Coil’s Test Bench column was the RT002a ribbon tweeter. This article was originally published in Voice Coil, April 2013.

Test Bench - Faital Pro’s HF108/HF108R compression drivers coupled with LTH102 60° × 50° horn

March 2, 2016 by Vance Dickason

Test Bench - Faital Pro’s HF108/HF108R compression drivers coupled with LTH102 60° × 50° horn

In this Test Bench, Vance Dickason looks in depth at Faital Pro’s HF108/HF108R compression drivers coupled with Faital Pro’s LTH102 60° × 50° horn. The HF108/HF108R are the latest in Faital Pro’s series of Keytone Polymer diaphragm 1” compression driver series. This article was originally published in Voice Coil, April 2015.

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