All items tagged with woofer (74)

Test Bench: Scan-Speak 15W/8534T00 Classic Line 5.5" Woofer

October 23, 2024 by Vance Dickason

Test Bench: Scan-Speak 15W/8534T00 Classic Line 5.5" Woofer

This Test Bench characterizes the new Scan-Speak 15W/8534T00 woofer, which fills the gap in the Classic family for a compact high-performance 5.5” (15cm) midbass driver. It is based on the design principles of the popular 18W/8545 continuing the tradition with a slim frame aluminum chassis, Symmetrical Drive (SD) motor system, low loss linear rubber suspension, and updated with a brand-new cone material called Phenomax.

Make It Active! Voice Coil October 2024 Is Now Available

October 1, 2024 by audioXpress Staff

Make It Active! Voice Coil October 2024 Is Now Available

In Voice Coil October 2024, Claus Futtrup writes about Compliance Alteration, and Mike Klasco and Nora Wong prepared an updated directory of Integrated Electronics for Loudspeakers. James Croft returns with a "Loudspeaker" patent review, granted to industry veteran Michael Levy, and Vance Dickason focuses solely on the eagerly awaited Purifi Audio PTT10.0X04-NAB-01 10" Midbass Woofer.

Test Bench: Wavecor’s New WF211PA01 8.25" PA Woofer

September 25, 2024 by Vance Dickason

Test Bench: Wavecor’s New WF211PA01 8.25" PA Woofer

The driver characterized in this Test Bench is a new 8.25" paper cone woofer, which is only the second pro audio design from the Wavecor, renowned for its high-end home hi-fi drivers. The company decided to expand its catalog with new OEM pro audio woofers, and the WF211PA01 is basically a smaller version of the WF259PA01 10" woofer explicated in the February 2024 issue of Voice Coil. This article was originally published in Voice Coil, June 2024.

Test Bench: SEAS New High-End 5.25” Metamodal TPCD Midbass Woofer

August 7, 2024 by Vance Dickason

Test Bench: SEAS New High-End 5.25” Metamodal TPCD Midbass Woofer

This Test Bench explores the exciting SEAS W16NX005 5.25" Metamodal TPCD Midbass Woofer. Part of the SEAS high-end Excel line of transducers, the W16NX005 is the first commercial product available that combines the latest Composite Sound metamodal TPCD diaphragm technology with the typical SEAS high-performance Excel woofer motor design. This midbass woofer includes a metamodal diaphragm and 2" convex dustcap, along with an optimized NBR surround and black cloth flat profile spider for compliance.

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 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.

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: SB Acoustics’ WO24TX-4 Satori 9.5” Midbass Woofer

January 24, 2024 by Vance Dickason

Test Bench: SB Acoustics’ WO24TX-4 Satori 9.5” Midbass Woofer

This midbass woofer is the latest product from SB Acoustics to feature a Composite Sound Thin-ply Carbon Diaphragm (TPCD) cone and another significant product from its Satori Line of high end drivers. The SB Acoustics WO24TX-4 Satori features a curvilinear inverted single piece “bowl” shaped TPCD cone. Clearly a material choice that is starting to conquer a growing number of speaker manufacturers in all application segments. This article was originally published in Voice Coil, September 2023.

Patent Review: Acoustic Transducer Comprising a Plurality of Coaxially Arranged Diaphragms

January 3, 2024 by James Croft

Patent Review: Acoustic Transducer Comprising a Plurality of Coaxially Arranged Diaphragms

This is a review of a design patent, submitted on behalf of Tymphany, trying to address the shortcomings of the work of Dr. Oskar Heil with his Air Motion Transformer (AMT) woofer system. The patent describes an acoustic transducer comprising one or more electromagnetic motors that drive one or more sets of multiple diaphragms to provide acoustically efficient loudspeaker systems in compact dimensions.

June 29, 2023 by audioXpress Staff

Resonado Partners with Parts Express to Make Res-Core Woofer Available Direct to Consumers

Resonado Labs announced that, for the first time ever, its technology is now available directly to the public. Previously, Resonado's high-performance racetrack drivers, featuring the proprietary Res-Core architecture, were exclusively offered to companies through licensed manufacturers. Meeting requests from speaker builders and developers, Resonado partnered with Parts Express to make the NW7 Gen 1 racetrack woofer directly available to the market.

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