All items tagged with neodymium (194)

Tang Band Speaker 25-2234SD High-Resolution 1-Inch Aluminum and Magnesium Dome Tweeter

August 29, 2018 by Vance Dickason

Tang Band Speaker 25-2234SD High-Resolution 1-Inch Aluminum and Magnesium Dome Tweeter

In this edition of Test Bench I characterized a transducer from Tang Band (TB) Speaker, the 25-2234SD, a new 1” high-resolution dome tweeter with response to 40 kHz. The 25-2234SD is a compact tweeter that features a 1” aluminum/magnesium inverted dome, a neodymium motor structure, an injection-molded faceplate, a protective grill, and a rear cavity with magnetic fluid in the motor gap for cooling. This article was originally published in Voice Coil, June 2018.

Test Bench: The T34A-4 Tweeter from BlieSMA

August 21, 2018 by Vance Dickason

Test Bench: The T34A-4 Tweeter from BlieSMA

BlieSMa was founded January 16, 2018, by Stas Malikov. The first product being released by BlieSMa is a 34 mm tweeter, the T34A-4. Available from May 2018, the T34A-4 is a 30 mm metal aluminum/magnesium alloy dome tweeter with a substantial feature set that includes extremely low moving mass, and a fully saturated neodymium motor with copper sleeve shorting ring. Particularly impressive is the T34A-4's extremely wide frequency range, going from 1.3 kHz to 35 kHz. This article was originally published in Voice Coil, June 2018.

Test Bench: B&C Speakers DE360-8 1” Exit Pro Sound Compression Driver

August 8, 2018 by Vance Dickason

Test Bench: B&C Speakers DE360-8 1” Exit Pro Sound Compression Driver

In this edition of Tea Bench, Vance Dickason characterizes another compression driver from Italian OEM manufacturer B&C Speakers. The DE360-8 is the latest addition to the company's extensive 18 model ferrite and neodymium motor 1” exit compression driver range. B&C Speakers supplied the ME20 horn for use with the DE360-8, which has a 90° × 60° coverage pattern. This article was originally published in Voice Coil, May 2018.

Test Bench: The New Ellipticor D3404/552000 Tweeter from Scan-Speak

July 10, 2018 by Vance Dickason

Test Bench: The New Ellipticor D3404/552000 Tweeter from Scan-Speak

This edition of Test Bench focuses on the Scan-Speak Ellipticor D3404/552000 dome neodymium motor tweeter. Overall, the D3404/552000 is like a big elongated 28 mm diameter tweeter. For a motor system, Scan-Speak basically scaled up their currently successful Air-Circ tweeter motor with 10 neodymium slugs and copper shorting rings and a titanium former. The big news is that this motor and diaphragm yield a 2.83 V/1 m sensitivity of 97 dB! This article was originally published in Voice Coil, April 2018.

New OEM Driver Company: BlieSMa

July 4, 2018 by Vance Dickason

New OEM Driver Company: BlieSMa

BlieSMa, located in Blieskastel, Germany, was founded January 16, 2018 by Stas Malikov. Prior to starting BlieSMa, Malikov worked at Ultrasound Technologies, at Morel as a QC manager and a transducer engineer, and at Accuton as a production engineer for the last 8 years. The first product released by BlieSMa is the T34A, a 34 mm tweeter. Available since May 2018, the T34A is a metal aluminum/magnesium alloy dome tweeter.

VUE Audiotechnik Introduces New hm-115 High Definition Stage Monitor and e-351 Nano Coaxial Cube

June 20, 2018 by audioXpress Staff

VUE Audiotechnik Introduces New hm-115 High Definition Stage Monitor and e-351 Nano Coaxial Cube

Ken Berger's team at VUE Audiotechnik continues to expand its product catalogue of refined sound reinforcement products for all applications, now introducing the new high-output, extended-range, hm-115 stage monitor, and the new e-351 full range nano speaker, a new compact installation in its e-Class Architectural Element Systems, which can be complemented with the es-269 ACM subwoofer. Rounding out the e-Class expansion is the V242 (2-input 4-zone) VUEDrive System Engine, designed specifically for use with e-Class systems.

Test Bench: Precision Devices PD.CD2N 1.4” Titanium Diaphragm Compression Driver

May 30, 2018 by Vance Dickason

Test Bench: Precision Devices PD.CD2N 1.4” Titanium Diaphragm Compression Driver

In this edition of Test Bench, I characterized a 1.4” titanium diaphragm compression driver from Precision Devices. The new driver from this prestigious UK Pro Sound OEM manufacturer is part of a seven model lineup of high-performance neodymium compression drivers. The PD.CD2N has a 50.8 mm (2”) throat diameter, with a radial neodymium magnet motor structure, an aluminum three-slot phase plug, and nominal 105 W (AES) rated power handling. This article was originally published in Voice Coil, February 2018.

Test Bench: B&C Speakers Pro Sound 12CXN88 12” Coax Driver

May 23, 2018 by Vance Dickason

Test Bench: B&C Speakers Pro Sound 12CXN88 12” Coax Driver

For this month's Test Bench, Dickason characterizes a new 12” coaxial pro audio driver from B&C Speakers, a design typically applied in stage monitors, studio monitors, or distributed audio in large venues. B&C Speakers 12CXN88 is unique in that it uses a single neodymium magnet assembly for both the 12” woofer and the 1.3” throat exit compression driver. This article was originally published in Voice Coil, January 2018.

PreSonus HD9 Closed-Back Headphones Combine Comfort and Wide Frequency Response

April 26, 2018 by audioXpress Staff

PreSonus HD9 Closed-Back Headphones Combine Comfort and Wide Frequency Response

PreSonus is shipping its new HD9 headphones, designed for studio use, as powerful and articulate studio monitors. The new headphones feature a closed-back acoustic design that provides superior listening isolation and reduces headphone bleed, so users hear nothing but music. The HD9’s 45 mm dynamic, neodymium drivers and high power handling (900 mW per channel into 40Ω) deliver loud, clean audio, minimizing listening fatigue. Its tailored frequency response extends all the way from 10 Hz to 26 kHz (±3 dB), with accurate bass response.

Your Voice Coil May 2018 Issue Is Now Available!

April 24, 2018 by audioXpress Staff

Your Voice Coil May 2018 Issue Is Now Available!

In this May 2018 edition, learn about the loudspeaker-related sessions that will take place at the upcoming 144th Audio Engineering Society (AES) International Convention in Milan. Vance Dickason also writes about ARTA Audio Measurement and Analysis Software, and for this month's Test Bench, he characterizes two new 1” exit pro sound compression drivers, the CDX1-1742 from Celestion, and the DE360-8 from B&C Speakers. In Acoustic Patents, James Croft discusses an interesting Radial Acoustic Speaker design patented by prolific audio inventor Curtis Graber. Download your copy now.

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