All items tagged with Test Bench (279)
Test Bench: The New TW030WA23/24 Tweeters from Wavecor
February 14, 2024 by Vance Dickason

Test Bench: The New TW030WA23/24 Tweeters from Wavecor

This Test Bench characterizes an updated version of the popular TW030WA23/24 tweeter from Wavecor, the latest in the company's 30mm tweeter lineup. The A23 is the 4Ω version, while the A24 is the 8Ω version and they are both available without a faceplate for custom mounting (the TW030A25/26 model). While the TW030WA23/24 have a very similar feature set to the Wavecor TW030WA13/14 tweeters, the biggest difference is a new graphene reinforced textile (Tetoron) 30mm soft dome.
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Test Bench: The AMT100H Driver from Eighteen Sound
February 7, 2024 by Vance Dickason

Test Bench: The AMT100H Driver from Eighteen Sound

The AMT100H driver from Eighteen Sound is the "little brother" of the AMT200P (with the XMT200 horn) air motion transformer (characterized in the November 2021 issue). Features for the AMT100H, include a rectangular throat with a Kapton diaphragm, a neodymium magnet structure, and a net weight of 1.84lb (0.835kg). This driver has a recommended crossover frequency of 1.2kHz at 24dB/octave. This article was originally published in Voice Coil, October 2023.
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Test Bench: SEAS’ New L22ROY2 8” Subwoofer from Its Extreme Line
January 31, 2024 by Vance Dickason

Test Bench: SEAS’ New L22ROY2 8” Subwoofer from Its Extreme Line

The new L22ROY2 8" subwoofer from Norwegian OEM manufacturer SEAS offers a well-appointed feature set that includes a proprietary cast 16-spoke (8 twin spokes) cast-aluminum frame, completely open 1" deep below the spider mounting shelf. Other features include a very stiff black anodized aluminum cone and dust cap, NBR surround, driven by a 2" voice coil. This article was originally published in Voice Coil, September 2023.
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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.
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Test Bench: Fountek NeoCD2.0 High-End Ribbon Tweeter
January 17, 2024 by Vance Dickason

Test Bench: Fountek NeoCD2.0 High-End Ribbon Tweeter

The Fountek brand is now being manufactured by Shanghai Nada Technology (formerly Fountek Electronics), updating a large portfolio of high-end range of transducers (woofers, midbass drivers, full-range drivers, and ribbons high-frequency devices). The device that was sent to Voice Coil is the company’s current iteration of its Fountek NeoCD 2.0 ribbon tweeter. This article was originally published in Voice Coil, September 2023.
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Test Bench: The 18ME/9642T00 6.5" Midrange from Scan-Speak
November 22, 2023 by Vance Dickason

Test Bench: The 18ME/9642T00 6.5" Midrange from Scan-Speak

For this Test Bench, Vance Dickason measures the Scan-Speak 18ME/9642T00 Ellipticor 6.5" Midrange, the first driver to be offered only to Scan-Speak's OEM customers, not available on the DIY retail market. Benefiting from the oval (elliptical) voice coil shape that characterizes the Ellipticor range, this midrange also features the AirCirc motor structure, and Symmetrical Drive SD-2 motor format.
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Test Bench: Wavecor's WF182BD13-04 7" Midbass Driver
November 15, 2023 by Vance Dickason

Test Bench: Wavecor's WF182BD13-04 7" Midbass Driver

The Wavecor WF182BD13 is a midbass driver that utilizes a unique proprietary cone material made with interwoven Kevlar/Carbon fibers with beneficial properties for midrange reproduction - a combination of low mass, rigidness, and damping. Unique features include a vented inverted dome-type phase plug (no dust cap), a shallow profile low loss high Qm NBR surround, accompanied by a flat 4” diameter black cloth spider.
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Test Bench: The 10NMFS 10” Subwoofer from Beyma’s Near and Mid Field (NMF) Line
November 8, 2023 by Vance Dickason

Test Bench: The 10NMFS 10” Subwoofer from Beyma’s Near and Mid Field (NMF) Line

Beyma's Near and Mid Field (NMF) line includes this compact woofer aimed at the studio/home audio market, one of three models with a similar feature set that includes carbon fiber cones and dust caps, Malt Cross cooling technology, triple aluminum, and copper shorting rings, dual Bimax spiders, and Quattro inside/outside voice coil windings. This article was originally published in Voice Coil, August 2023.
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Test Bench: Fountek Electronics' NeoPro 5i 5" Diaphragm Ribbon Tweeter
October 3, 2023 by Vance Dickason

Test Bench: Fountek Electronics' NeoPro 5i 5" Diaphragm Ribbon Tweeter

This Test Bench article characterizes a ribbon tweeter from Fountek Electronics. This company from Shanghai, with manufacturing operations located in Hefei (Anhui Province), sent its NeoPro 5i high-end ribbon tweeter, which combines a large 145mm × 15mm reinforced sandwich ribbon diaphragm with a closed-back injection-molded rear cavity, two aluminum heatsinks and a built-in transformer. This article was originally published in Voice Coil, July 2023.
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Test Bench: The Stereo Integrity M25 mkII Surface-Mountable Tweeter
September 27, 2023 by Vance Dickason

Test Bench: The Stereo Integrity M25 mkII Surface-Mountable Tweeter

Founded in 2001, Stereo Integrity is an OEM speaker driver manufacturer from North Carolina that also designs its own range of hi-fi amplifiers, sold directly to consumers online. The company sent its M25 mkII high-end tweeter, which features a 25mm silk dome diaphragm and surround, a dual-magnet neodymium motor, a black anodized aluminum motor housing with a tuned rear chamber, two-layer CCAW wound voice coil, and a compact 50mm diameter face plate with a steel anodized grill. This article was originally published in Voice Coil, July 2023.
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