All items tagged with compression drivers (135)

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).

Stay on Top of Loudspeaker Industry Developments with Voice Coil April 2022

March 29, 2022 by audioXpress Staff

Stay on Top of Loudspeaker Industry Developments with Voice Coil April 2022

Voice Coil April 2022 is now available and brings an interesting overview of the latest updates to Loudsoft's FINE Suspension Nonlinear FEA Spider and Surround Design software. Mike Klasco discusses Cables, Lead Wires, and Connector/Terminal Technology, and there's an updated directory of vendors and manufacturers in those product segments. Then, Vance Dickason characterizes the AMT 23CM1.1-C Air Motion Transformer from Mundorf, and the Beyma CD1ND 1" Polyimide Diaphragm Compression Driver and TD-194 compact horn.

Celestion Introduces Updated Horn Design App HornWizard 2.0

February 8, 2022 by audioXpress Staff

Celestion Introduces Updated Horn Design App HornWizard 2.0

Celestion announced the launch of HornWizard 2.0, the updated and enhanced version of the desktop and mobile application which is a portal to the company’s free powerful horn design software. The updates bring enhanced functionality and now allow users to design horns for Celestion’s 1.4" and 2" exit compression drivers, including the Axi2050, and adds horn length as a primary parameter. It also introduces the possibility to refine and compare multiple up to 3 designs, as well as design horns with Circular or Elliptical mouths.

Test Bench: The ND2T 1.25” Neodymium Compression Driver from Eighteen Sound

December 15, 2021 by Vance Dickason

Test Bench: The ND2T 1.25” Neodymium Compression Driver from Eighteen Sound

This Test Bench focuses on Eighteen Sound’s latest ND2T, a 1.4” neodymium compression driver, combined for characterization with the XT1464 elliptical-shaped horn, also from Eighteen Sound. This ultra-compact compression driver features a 2.4” diameter edge-wound voice coil wound with aluminum wire on a non-conducting Nomex former with a proprietary treatment. This assembly drives a field-replaceable pure titanium diaphragm and proprietary tangerine radial phase plug design. This article was originally published in Voice Coil, October 2021.

Test Bench: B&C Speakers' 5CXN44 Pro Sound Coaxial Driver

October 20, 2021 by Vance Dickason

Test Bench: B&C Speakers' 5CXN44 Pro Sound Coaxial Driver

This article characterizes a coaxial driver from B&C Speakers, a 5.25” woofer and 1.4" compression driver combo specifically built primarily for sound reinforcement applications. This driver's cooling is exclusively provided by the motor mass, a substantial neodymium ring magnet that powers both HF and LF units. No other vents are required for the 300W power rating given by B&C Speakers to the 5CXN44, which is impressive. This article was originally published in Voice Coil, August 2021.

Voice Coil October 2021 Loudspeaker Magnetics Focus

September 27, 2021 by audioXpress Staff

Voice Coil October 2021 Loudspeaker Magnetics Focus

The October 2021 edition of Voice Coil discusses "The State of Loudspeaker Magnetics," with an annual overview of these critical industry components and materials for loudspeakers, complemented with an updated industry directory focused on Integrated Electronics. James Croft covers a patent awarded to Coastal Source for the variable waveguide speaker control, while Vance Dickason characterizes the powerful 15DS100 professional subwoofer from B&C Speakers, and Eighteen Sound's latest ND2T 1.4” neodymium compression driver. Now available in print, immediate online access or download.

Test Bench: SB Acoustics’ Satori MW16TX-8 Textreme Woofer

September 1, 2021 by Vance Dickason

Test Bench: SB Acoustics’ Satori MW16TX-8 Textreme Woofer

This Test Bench article characterizes the SB Acoustics Satori MW16TX-8 TeXtreme Cone 6.5” Woofer, the third diaphragm transducer in Test Bench using this material, following the Eminence N314X-8 compression driver, and the SB Acoustics TW29TXN-B-4 dome tweeter. TeXtreme diaphragms are definitely finding acceptance among loudspeaker manufacturers. The MW16TX-8 is part of the SB Satori line of high-end transducers and has a substantial feature set. This article was originally published in Voice Coil, June 2021.

Test Bench: Beyma CD-11Nd Compression Driver and TD-194 Horn

August 4, 2021 by Vance Dickason

Test Bench: Beyma CD-11Nd Compression Driver and TD-194 Horn

This Test Bench characterizes the CD-11Nd compression driver and TD-194 1" horn from pro sound OEM, Acustica Beyma. The CD-11Nd has a diameter voice coil wound both inside and outside of a non-conduction Kapton-type former with aluminum wire. The diaphragm and surround are composed of a single piece of PM4, which is a proprietary high-tech polymer that, according to the company, has never before been used for audio. This article was published in Voice Coil, April 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.

Celestion Debuts the New CDX1-1412 Ultra-Compact 1-Inch Compression Driver

June 17, 2021 by audioXpress Staff

Celestion Debuts the New CDX1-1412 Ultra-Compact 1-Inch Compression Driver

Celestion introduced the new CDX1-1412 1" exit, neodymium magnet high frequency compression driver. The unit’s ultra-compact size makes it ideal for small two-way cabinet designs and other highly portable applications, at a very attractive price point. The CDX1-1412 is the latest of Celestion’s high frequency compression drivers, and features plenty of output for a driver this size: 35W (AES standard), 70W (Continuous) power rating, and 107dB sensitivity across a 1500 to 20kHz frequency band.

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