All items tagged with Vance Dickason (284)

Test Bench: The UF 295 CBS Ultra-Thin 10” Subwoofer from Neotera

July 31, 2024 by Vance Dickason

Test Bench: The UF 295 CBS Ultra-Thin 10” Subwoofer from Neotera

Another exciting driver from Neotera, the UF 295 CBS is a new ultra-thin 10" subwoofer primarily intended for high-quality applications in home audio or automotive systems. The UF 295 CBS impresses immediately with its single piece black anodized concave cone assembly suspended by two large rubber surrounds, one on each side, not using a spider for compliance. The cone is driven at its perimeter by a large aluminum voice coil and a unique motor structure of 72 neodymium bar magnets, covered by no less than 10 international patents. This article was originally published in Voice Coil, April 2024.

Test Bench: The SIG180-4 6.5” Woofer from Dayton Audio’s Signature Series

July 10, 2024 by Vance Dickason

Test Bench: The SIG180-4 6.5” Woofer from Dayton Audio’s Signature Series

Dayton Audio’s SIG180-4 is part of a woofer series with five cost-effective, high-performance models, ranging from 4” to 10”. All drivers include single-piece concave aluminum cones, polyimide vented voice coil formers, open cast-aluminum frames, plus indexed shallow transition NBR surrounds. Rated for 80W RMS power handling capacity, the SIG180-4 woofer features a FEA-optimized ferrite motor design and a 1.25” voice coil wound with round copper wire.

Test Bench: The New LM10n Wide Band Midrange Ribbon Transducer from Radian Audio Engineering

May 8, 2024 by Vance Dickason

Test Bench: The New LM10n Wide Band Midrange Ribbon Transducer from Radian Audio Engineering

This is the eagerly awaited characterization of the new LM10n planar ribbon from Radian Audio, one of the most interesting drivers launched in 2023. Like all of Radian's latest planar transducers this one was designed by 35-year loudspeaker engineering veteran Igor Levitsky, with the LM10n being the latest and larger sized model, described as a wide range 120Hz to 20kHz ribbon planar transducer, which excels as a midrange and can be utilized in both open-back (dipole) and closed-back (monopole) formats.

Test Bench: The New DE350-8 Ultra-Compact 1" Compression Driver from B&C Speakers

May 1, 2024 by Vance Dickason

Test Bench: The New DE350-8 Ultra-Compact 1" Compression Driver from B&C Speakers

This Test Bench characterizes an ultra-compact (under 60mm diameter) compression driver, along with the B&C Speakers ME10v2 90°x60° coverage horn. The really cool feature of the DE350-8 is the patent-pending phase plug. Inside, the DE350 has a round symmetrical outside channel, and an inside channel with a patent-pending twist for overall improved frequency response. Weighing in at a mere 275 gram, it is an ideal candidate for the new generation of lighter, more compact line array loudspeakers.

A Visit to Audio Precision to See the New APx516 Analyzer

April 24, 2024 by Vance Dickason

A Visit to Audio Precision to See the New APx516 Analyzer

Vance Dickason visited Audio Precision's headquarters in Beaverton, OR, where he met with Dan Knighten, AP's Product Line General Manager, to talk about the new Audio Precision APx516 Analyzer. This is a new relatively economical analyzer for the company, with a base price of $6000, which means that the APx516 is ideal for use with remote engineering staff, making it practical for companies to have high-precision test and measurement work being done in multiple locations.

Test Bench: The Purifi Audio PTT8.0X04-NAB-02 8” Aluminum Cone Woofer

April 10, 2024 by Vance Dickason

Test Bench: The Purifi Audio PTT8.0X04-NAB-02 8” Aluminum Cone Woofer

The PTT8.0X04-NAB-02 is the fifth Purifi woofer to be examined in Test Bench. The new 8" aluminum cone woofer includes the same constant Sd surround, cone edge stiffening ring, and low magnetic hysteresis motor design as previous models. The addition of the unique Purifi NBR surround, make the PTT8.0X04 like no other in the history of woofer development. The PTT8.0X04e is rated for 350W IEC268 long-term power handling, and a 9.3mm Xmax.

AXPONA 2024 Showcases The Very Best In High-End Audio Equipment

March 18, 2024 by Joao Martins

AXPONA 2024 Showcases The Very Best In High-End Audio Equipment

AXPONA, the largest consumer audio show in North America, returns to the Renaissance Schaumburg Convention Center and Hotel April 12-14. The show attracts nearly 300 exhibitors featuring 700 brands coming from 40 different countries including dozens of first-time exhibitors. For the 2024 edition, the promoters have confirmed over 200 listening rooms and the largest ever number of companies exhibiting. And Vance Dickason will be there to promote the 8th Edition of The Loudspeaker Design Cookbook!

March 13, 2024 by Vance Dickason

Test Bench: The UF295FAS Thin-Profile Dipole 10" Woofer from Neotera

This new 10" thin-profile woofer comes from Neotera, a new company headquartered in Sweden, founded by a diverse group of loudspeaker/electronic design veterans. Maurizio Servadio is the engineer who invented the Neotera Ultraflat technology and is based in Italy where the UF295FAS is manufactured. This thin-profile woofer with a depth of 2.6" and with a low-frequency response down to 29Hz, is specifically designed for dipole system applications. This article was originally published in Voice Coil, November 2023.

Test Bench: The New 6” WF152BD09-04 Midbass Driver from Wavecor

March 6, 2024 by Vance Dickason

Test Bench: The New 6” WF152BD09-04 Midbass Driver from Wavecor

This Test Bench characterizes the 6" WF152BD09-04 midbass driver from Wavecor, part of a new line of midbass models using a unique proprietary interwoven Kevlar and carbon fiber cone material. The WF152BD09 has a generous feature set that includes a vented inverted dome-type phase plug (no dust cap) and a shallow profile low loss high Qm NBR surround, accompanied by a flat 4" diameter black cloth spider. This article was originally published in Voice Coil, November 2023.

Test Bench: The D2008/2010 Revised Classic Dome Tweeter from Scan-Speak

February 21, 2024 by Vance Dickason

Test Bench: The D2008/2010 Revised Classic Dome Tweeter from Scan-Speak

Vance Dickason measures the Scan-Speak D2008/2010, the revised version of the classic dome tweeter from the Danish brand. The D2010 and the D2008 are two revised classic Scan-Speak 19mm soft dome tweeters, originally launched more than 35 years ago. Scan-Speak basically discontinued production of the original 19mm ferrite magnet soft dome models and replaced them with these new 19mm textile dome neodymium motor versions.

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