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All items tagged with neodymium (197)

Precision Devices Introduces Next Generation PD.1845-1N Sub Bass Driver

November 23, 2021 by audioXpress Staff

Precision Devices Introduces Next Generation PD.1845-1N Sub Bass Driver

The latest development from Precision Devices International, following the seismic abilities of the 24-inch and 21-inch sub bass woofers launched earlier in June 2021, the new 18” PD.1845-1N introduces clear design refinements, resulting in an ergonomic, vented cast aluminum chassis that offers improved thermal control, also featuring an aluminum demodulation ring for ultra-low distortion. The 4.5" split winding copper clad aluminum voice coil and vented long-throw motor system leverages a voice coil gap for reduced power compression and an optimized double silicone suspension system for ultimate cone control.

Test Bench: BDNC’s BGF-46166-18-4-003 Glass-Composite Flat Diaphragm Woofer

September 15, 2021 by Vance Dickason

Test Bench: BDNC’s BGF-46166-18-4-003 Glass-Composite Flat Diaphragm Woofer

This article characterizes a cutting-edge product from BDNC, a patented “race track” shaped driver, and the first of its kind to use a glass diaphragm composite made up of two layers of “Schott AS87 Glass” with an internal layer of viscoelastomic damping material and aluminum alloy foil. The motor structure uses two neodymium bar magnets driving a two-layer race track-shaped voice coil wound with round copper wire on an aluminum former. This article was originally published in Voice Coil, June 2021.

Test Bench: Eighteen Sound ND1TP Compression Driver and XT120 Horn

July 20, 2021 by Vance Dickason

Test Bench: Eighteen Sound ND1TP Compression Driver and XT120 Horn

The product on this Test Bench is Eighteen Sound’s ND1TP Compression Driver and XT120 Horn. Already the result of the company's efforts in the aftermath of the Eighteen Sound (and Ciare) acquisition by B&C Speakers in 2018. The ultra-compact ND1TP compression driver has a 25mm (1") throat diameter driven by a 44mm (1.75") diameter edge-wound voice coil wound with copper-clad aluminum wire (CCAW) on a non-conducting Nomex former with a proprietary treatment. This article was published in Voice Coil, April 2021.

Test Bench: Wavecor TW022WA09 Cloth Dome Tweeter

April 12, 2021 by Vance Dickason

Test Bench: Wavecor TW022WA09 Cloth Dome Tweeter

The driver in this Test Bench is the Wavecor TW022WA09 22mm high-end textile dome tweeter. The TW022WA09 was unveiled by Wavecor together with the TW022WA08/10 high-end tweeter, a new series of 22mm chambered neodymium drivers with increased sensitivity. The precision cloth (textile) dome ensures an extended frequency response, while the voice coil design offers higher power handling and low resonance frequency. This article was originally published in Voice Coil, January 2021

Celestion Expands AN Series with 32 ohm AN2075 Full-Range Compact Array Driver

March 25, 2021 by audioXpress Staff

Celestion Expands AN Series with 32 ohm AN2075 Full-Range Compact Array Driver

Celestion announced the new 32 ohm version of the AN2075, a low profile 2-inch compact array driver, particularly well-suited for large-scale mini-array applications which require multiple drivers connected together. The new 32 ohm AN2075 joins others in the Celestion AN range of compact and lightweight full-range neodymium loudspeakers that are a popular choice for portable or discreet, low-profile sound reinforcement applications.

Test Bench: The Bold North Audio BDT-2901 High-End Silk Dome Tweeter

March 11, 2021 by Vance Dickason

Test Bench: The Bold North Audio BDT-2901 High-End Silk Dome Tweeter

For this edition of Test Bench, Vance Dickason characterizes the new BDT-2901 High-End Silk Dome Tweeter, from MISCO’s Bold North Audio Line. This is a high performance 29mm soft dome tweeter, designed to meet requests for a precision tweeter with a low crossover point, ideal for use in a two-way system paired with a 6.5” or 8” woofer. This article was originally published in Voice Coil, December 2020.

Patent Review: Two Single-Ended Planar-Magnetic Speaker Patents

January 27, 2021 by James Croft

Patent Review: Two Single-Ended Planar-Magnetic Speaker Patents

James Croft reviews two loudspeaker-related patents as a tribute to David John Graebener, who passed away on January 3, 2015. First James Croft reviews the planar-magnetic electro-acoustic transducer he patented together with Graebener, followed by a single-end planar magnetic speaker system, David’s key patent. These were the first and second of the Single-Ended, Neodymium planar magnetic transducer patents David Graebener was granted. This article was originally published in Voice Coil, March 2015.

Test Bench: Scan-Speak 21WE/4542T00 Ellipticor Midwoofer

December 30, 2020 by Vance Dickason

Test Bench: Scan-Speak 21WE/4542T00 Ellipticor Midwoofer

This Test Bench article focuses on the Scan-Speak Ellipticor 21WE/4542T00 midrange woofer, an impressive looking driver. The motor design for the Ellipticor 21WE/4542T00 is again an AirCirc multi-magnet and patented SD design, using an elliptical two-layer voice coil wound with round copper wire on a titanium former. Motor parts include polished front and back plates for the neodymium magnets that incorporates a 12 mm diameter rear vent for additional cooling. This article was originally published in Voice Coil, October 2020.

Wavecor Introduces Three New High-End Drivers Covering All Frequency Ranges

October 26, 2020 by Joao Martins

Wavecor Introduces Three New High-End Drivers Covering All Frequency Ranges

Renowned high-end OEM manufacturer Wavecor continues to keep a focus on creativity and announced the results of its latest development efforts with three new drivers, all now in stock and ready for sampling. The new transducers comprise the WF275BD01 (4 ohm) and WF275BD02 (8 ohm) 10" mid/woofers in die cast frame, the TW022WA07/09 and TW022WA08/10 high-end tweeters, and the FR070WA05 70 mm aluminum-cone full-range driver with extended bass response.

Lavoce DN14.300T New 'Next Generation' Neodymium Large Format Compression Driver

October 22, 2020 by audioXpress Staff

Lavoce DN14.300T New 'Next Generation' Neodymium Large Format Compression Driver

Professional loudspeaker transducer company Lavoce Italiana have been keeping busy working on the development of a new series of impressive devices, steeping up on the performance metrics and features from previous lines. Lavoce has now announced its Next Generation neodymium 1.4" throat compression driver, the DN14.300T. A new driver that combines consistency with top performance and basically puts Lavoce on the map as a serious supplier in this category of HF units.

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