All items tagged with Vance Dickason (290)

Test Bench: B&C Speakers DE111‑8 1” Pro Sound Compression Driver

December 14, 2022 by Vance Dickason

Test Bench: B&C Speakers DE111‑8 1” Pro Sound Compression Driver

This is a characterization of the DE111-8 pro audio high-frequency solution and corresponding ME10v2 horn from B&C Speakers. The ultra-compact neodymium 1" compression driver features an HT Polymer diaphragm driven by a 1.4" diameter voice coil, an updated Ketone polymer suspension and dome, rated for 50W continuous power handling and 2.83V/1m 107dB sensitivity. A tiny driver universally applicable for a variety of small monitor and compact line arrays. This article was originally published in Voice Coil, August 2022.

Test Bench: SEAS’ W15CH001 5.25” Excel Hexadym Motor Midwoofer

November 16, 2022 by Vance Dickason

Test Bench: SEAS’ W15CH001 5.25” Excel Hexadym Motor Midwoofer

This SEAS Excel Midwoofer is one the most highly inventive and innovative out-of-box Hexadym Motor designs from the Norwegian company. In this article, Vance Dickason details all that is unique in this midwoofer design and its historical motivations, helping to solve the problem of reflections off the motor system and frame of a woofer back into the cone. A fascinating exploration with complete measurements. This article was originally published in Voice Coil, July 2022.

Test Bench: Scan-Speak’s 38WE/8582T00 15” Ellipticor Oval Voice Coil Woofer

November 8, 2022 by Vance Dickason

Test Bench: Scan-Speak’s 38WE/8582T00 15” Ellipticor Oval Voice Coil Woofer

This Test Bench characterizes a 15" Ellipticor woofer from Scan-Speak using the company's proven oval/elliptical design topology. The 38WE is a seriously feature rich transducer, starting with a nicely configured 10-spoke cast-aluminum frame and a completely open area below the suspended spider mounting shelf for effective cooling of the Symmetrical Drive (SD) AirCirc multi-magnet design with neodymium slugs and elliptical two-layer voice coil. This article was originally published in Voice Coil, July 2022.

Voice Coil November 2022 Celebrates the Loudspeaker industry

October 28, 2022 by audioXpress Staff

Voice Coil November 2022 Celebrates the Loudspeaker industry

Happy 36th Anniversary Voice Coil! The November 2022 issue of Voice Coil once again celebrates the launch of this periodical as an information resource for the loudspeaker industry. Also, this month, Mike Klasco writes about technologies and solutions to enhance low-frequency performance, and James Croft reviews a recent patent awarded to Panasonic for a loudspeaker arrangement for a Near to the Ear Subwoofer in a car seat. For this month's Test Bench, Vance Dickason characterizes the 6CXN36 coaxial 6.5” pro sound driver from B&C Speakers, and Wavecor’s FR4X-6WA01 compact oval full-range driver. Now available in print, digital and online.

Test Bench: TB Speaker 75-1558SH High-End Home Audio 3" Dome Midrange

September 21, 2022 by Vance Dickason

Test Bench: TB Speaker 75-1558SH High-End Home Audio 3" Dome Midrange

This is an interesting Test Bench of a 3" dome midrange from Tang Band Speaker (aka TB Speaker), model 75-1558SH, intended for high-end and home audio applications. One of the most innovative and prolific OEM speaker manufacturers from Asia, Tang Band submitted a new 75mm diameter soft dome midrange, using a coated cloth diaphragm and surround, with a large neodymium magnet and distortion reducing shorting ring. The steel cup has a foam damped vent that loads into a shaped and 100% polyester-filled injection-molded back enclosure. This article was originally published in Voice Coil, June 2022.

Test Bench: Celestion CDX1-1412 Compact 1" Pro Sound Compression Driver

September 15, 2022 by Vance Dickason

Test Bench: Celestion CDX1-1412 Compact 1" Pro Sound Compression Driver

The Celestion CDX1-1412 Compression Driver is a compact 1" unit intended for professional audio applications, a traditional segment for the UK-based OEM manufacturer. This compression driver features a FEA-optimized neodymium ring magnet motor structure, a nominal power handling of 35W, a 2kHz recommended crossover frequency (with a minimum 12dB/octave high-pass network), and 106dB sensitivity (1W/1m) measured with its own 1" H1-9050 90°x50° constant directivity horn. This article was originally published in Voice Coil, June 2022.

Unique Speakers, Parts, and Concepts in Voice Coil September 2022

August 30, 2022 by audioXpress Staff

Unique Speakers, Parts, and Concepts in Voice Coil September 2022

Voice Coil September 2022 offers an article about solutions for Smart Speakers and Voice Processing by Mike Klasco, and an updated directory of Magnet Vendors and Distributors for 2022. James Croft reviews a recent patent awarded to Tymphany for a new Coaxial Loudspeaker design, and Vance Dickason characterizes two very original drivers in Test Bench. The HF1460 compression driver from Faital Pro and the Tang band the W4-2356 4" full-range woofer with an off-centered voice coil.

Test Bench: Beyma’s New 1” CD1ND Compact Polyimide Diaphragm Compression Driver and TD-194 Horn

July 28, 2022 by Vance Dickason

Test Bench: Beyma’s New 1” CD1ND Compact Polyimide Diaphragm Compression Driver and TD-194 Horn

This Test Bench focuses on Beyma’s new 1" CD1ND Compact Polyimide Diaphragm Compression Driver, a product oriented for demanding professional audio applications. The 1” throat uber-compact CD1ND compression driver delivers a “high-quality” cost-effective option for studio monitors or stage monitors, as possible examples. The Beyma CD1ND uses a 1” diameter edge-wound voice coil, driving the field-replaceable diaphragm and lightweight neodymium ring magnet motor. This article was originally published in Voice Coil, April 2022.

Test Bench: The AMT 23CM1.1-C Air Motion Transformer from Mundorf

July 20, 2022 by Vance Dickason

Test Bench: The AMT 23CM1.1-C Air Motion Transformer from Mundorf

The AMT 23CM1.1-C high-end Air Motion Transformer is the second model from the series launched by Mundorf. Following the explication of the U80W Mundorf AMT, published in the March 2022 issue of Voice Coil, Vance Dickason dives deeper into the series and proprietary diaphragm material used in all the Mundorf AMTs. Features for the Mundorf AMT 23CM1.1-C include a pleated AMT diaphragm, an optimized injection-molded rear chamber and flat round metal face plate, rated for 125W power handling with a minimum second-order 2.2kHz high-pass network. This article was originally published in Voice Coil, April 2022.

Test Bench: Eighteen Sound NSD1095N Compression Driver and XT120 Horn

June 22, 2022 by Vance Dickason

Test Bench: Eighteen Sound NSD1095N Compression Driver and XT120 Horn

The NSD1095N is a 1" throat compression driver with a compact footprint for “high quality” sound applications in professional audio, from studio monitors or stage monitors to high-power sound reinforcement cabinets. It uses a field replaceable True Piston Motion (TPM) TiN coated titanium diaphragm, extending the frequency response by 25% and incorporates a proprietary phase plug architecture that has been designed to give a smooth coherent wave front at the horn entrance across the whole working frequency range.

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