All items tagged with Vance Dickason (284)

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.

Test Bench: The U80W Air Motion Transformer from Mundorf

June 16, 2022 by Vance Dickason

Test Bench: The U80W Air Motion Transformer from Mundorf

As a respected manufacturer of high-quality condensers and crossover components, Mundorf is also capitalizing on the industry's “renaissance” in AMTs and now offers five models in this updated U series, each driver having the same width, but different heights. The U80W AMT model features a 63mm x 19mm pleated proprietary AMT diaphragm, an optimized rear chamber, a flat face plate with an optional secondary aluminum face plate, and is rated for 80W power handling and 94dB sensitivity. The U Series is the fourth in Mundorf's AMT portfolio. This article was originally published in Voice Coil, March 2022.

Test Bench: SB Acoustics’ MW19TX-8 Home Audio TPCD (TeXtreme) Cone Midbass Driver

June 2, 2022 by Vance Dickason

Test Bench: SB Acoustics’ MW19TX-8 Home Audio TPCD (TeXtreme) Cone Midbass Driver

The Satori MW19TX-8 TPCD cone 7.5" woofer is the fourth TPCD diaphragm transducer to be explicated in Test Bench, the first being an Eminence compression driver and the remaining all woofers from SB Acoustics. The high-end MW19TX-8 has a substantial feature set with similar features as the rest of Satori series with TPCD cones, impressing immediately by its distinctive cosmetics and subjective performance, which this characterization illustrates.

Headphone Testing and Lots of Speaker Knowledge in Voice Coil June 2022

May 27, 2022 by audioXpress Staff

Headphone Testing and Lots of Speaker Knowledge in Voice Coil June 2022

Another great issue of Voice Coil magazine. Vance Dickason writes about the Multi-Tone Measurement Module (MTON) available for the Klippel KA3 Analyzer. Mike Klasco and Nora Wong (Menlo Scientific) compiled an updated Directory of Headphone Test & Measurement Equipment for 2022. We revisit a 2004 patent of a speaker using an "Internal Negative Stiffness Mechanism." And in Test Bench, Vance Dickason characterizes the latest Celestion CDX1-1412 1" Compression Driver and a new 3" dome midrange from Tang Band Speaker (TB Speaker).

Loudsoft FINE Suspension Nonlinear FEA Spider and Surround Design Program

May 25, 2022 by Vance Dickason

Loudsoft FINE Suspension Nonlinear FEA Spider and Surround Design Program

An overview of Loudsoft's latest FINE Suspension Nonlinear FEA Spider and Surround Design software. This new transducer engineering tool, specific to the development of speaker surrounds and spiders (dampers), allows for the simulation of different types of surrounds and spiders from imported DFX files or created from templates with parameters selected by the user, and then outputs the compliance curves similar to the Kms and Cms curves measured by Klippel DA2 or KA3 analyzers.

Test Bench: Wavecor WF275BD01 10.75” Home Audio Woofer

April 27, 2022 by Vance Dickason

Test Bench: Wavecor WF275BD01 10.75” Home Audio Woofer

Part of a new series of drivers announced in October 2020 by Wavecor, this woofer could also be advantageous in high-powered studio monitors. This high-power design targets home audio and home theater applications, including two-way (with larger ribbon/AMT drivers, or compression driver/horn combinations) and three-way speakers. This article was originally published in Voice Coil, January 2022.

Test Bench: The 10NW76 Pro Sound High SPL 10” Driver from B&C Speakers

March 2, 2022 by Vance Dickason

Test Bench: The 10NW76 Pro Sound High SPL 10” Driver from B&C Speakers

The driver on this Test Bench is from B&C Speakers and clearly designed for professional audio. The 10NW76 was designed for uses in line arrays, small two-way monitors, and as a subwoofer, or as a midbass driver in multiway systems. It uses a proprietary 12-spoke (six double spokes) cast-aluminum frame with a series of cooling vents that allow air to move past the voice coil and across the front side of the neodymium motor assembly. The cone assembly consists of a curvilinear waterproof coated paper cone and dust cap. This article was originally published in Voice Coil, December 2021.

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