All items tagged with compression drivers (139)
Celestion CDX1-1447 Compression Driver with H1-7050 “No Bell” Horn
November 1, 2017 by Vance Dickason

Celestion CDX1-1447 Compression Driver with H1-7050 “No Bell” Horn

This Test Bench is about Celestion's CDX1-1447 1” ferrite motor compression driver coupled with Celestion’s H1-7050 ‘No Bell’ 70° × 50° horn. Features for the CDX1-1447 include a one piece polyimide diaphragm and surround, with an exit (throat) diameter of 25.4 mm (1.0”). The horn is a new and rather innovative design. The H1-7050 “No Bell” is a cast-aluminum exponential flare-type horn with a 70° × 50° radiation pattern. This article was originally published in Voice Coil, March 2017.
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Test Bench: FaitalPRO HF142 Compression Driver Coupled with LTH142 60°×50° Horn
October 26, 2017 by Vance Dickason

Test Bench: FaitalPRO HF142 Compression Driver Coupled with LTH142 60°×50° Horn

Test Bench of the HF142 1.4” neodymium motor compression driver with the LTH142 60° × 50° horn, from Italian pro sound OEM FaitalPRO. Features for the HF142 include a ketone polymer diaphragm, with proprietary perforated suspension for acoustic tuning and a Finite Element Analysis (FEA) modeled and optimized four-slot annular phase plug. The phase plug’s design and its coupling with the diaphragm uses Faital’s proprietary simulation / modeling software. This article was originally published in Voice Coil, March 2017.
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Get Ready to Join the Loudspeaker Industry with Voice Coil October 2017
September 25, 2017 by audioXpress Staff

Get Ready to Join the Loudspeaker Industry with Voice Coil October 2017

Getting ready for another edition of the AES Convention in New York City, and many other October shows, this edition of Voice Coil is another one for the records, including an extensive directory of Amplifier and DSP Vendors, and a review of Bose's latest patent of a new bass reflex and tuned pipe enclosure. In Test Bench, Vance Dickason characterizes the 745NEOBe, a pro sound 1.4” beryllium compression driver from Radian Audio, and the updated CQQ76 ribbon tweeter from BoZhen New Audio Lab.
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Test Bench: Eighteen Sound ND3ST 1.4” Compression Driver
August 5, 2017 by audioXpress Staff

Test Bench: Eighteen Sound ND3ST 1.4” Compression Driver

This month’s Test Bench measures Eighteen Sound’s ND3ST 1.4” compression driver in combination with the Eighteen Sound XT1464 60° × 50° horn. The ND3ST 1.4 inch exit Natural Sound neodymium high frequency compression driver has been designed to fulfil very high quality sound reinforcement applications. This article was originally published in Voice Coil, December 2016.
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Key Industry Knowledge for Loudspeaker Professionals in Voice Coil August 2017
July 24, 2017 by audioXpress Staff

Key Industry Knowledge for Loudspeaker Professionals in Voice Coil August 2017

Voice Coil August 2017 is now available. Read an excellent tutorial from Charlie Hughes about optimizing loudspeaker directivity through the crossover region, and read James Croft’s review of a new bass-reflex speaker cabinet design. In Test Bench, we learn more about are Tymphany's new DFM-2535R00-08 compression driver and Volt Loudspeakers' new VM527 dome midrange. And don't miss the updated directory of OEM/ODM Voice Coil Manufacturers.
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Test Bench: Faital Pro HF108R Compression Driver
July 12, 2017 by Vance Dickason

Test Bench: Faital Pro HF108R Compression Driver

This month’s Test Bench samples came from a premier Italian Pro Sound OEM driver manufacturer. From Faital Pro, I received the HF108R compression driver coupled with a LTH102 60° × 50° horn. The HF108R is the latest in Faital Pro’s series of Ketone Polymer diaphragm 1” compression drivers. I reviewed the HF108 compression driver in April 2015, and included some data on the HF108R. However, this transducer is different enough that it deserves a separate review. This article was originally published in Voice Coil, November 2016.
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Test Bench: A Redesigned DE990TN-8 1.4” Compression Driver from B&C Speakers
June 28, 2017 by Vance Dickason

Test Bench: A Redesigned DE990TN-8 1.4” Compression Driver from B&C Speakers

The compression driver/horn that I received for testing in this edition of Test Bench was the redesigned B&C Speakers DE990TN-8, a 1.4” neodymium motor compression driver with a titanium diaphragm coupled with the ME90 horn. This article was originally published in Voice Coil, September 2016.
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RCF Announces Three New Precision Transducers for Professional Audio Applications
June 2, 2017 by audioXpress Staff

RCF Announces Three New Precision Transducers for Professional Audio Applications

With an extensive range of drivers for professional audio applications, RCF confirmed that it is now shipping its latest range of products featuring advanced technologies and the precise designs that always characterize the Italian brand. The new products include the ND340 high performance neodymium compression driver with an extremely reduced size, the LF18N405 extended low frequency transducer, and LF21N401 high power handling 21" subwoofer.
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Test Bench: B&C Speakers DE1090TN Compression Driver
May 31, 2017 by Vance Dickason

Test Bench: B&C Speakers DE1090TN Compression Driver

The transducer I examined this month came from Italian Pro Sound OEM manufacturer B&C Speakers, who sent the DE1090TN, a 1.4” neodymium motor compression driver with a titanium diaphragm. The DE1090TN compression driver is coupled with B&C Speakers’ ME90 80° × 60° constant directivity horn. At this time, the DE1090TN, with a 36 mm (1.4”) throat diameter, is the highest power handling model (120 W) in the brand's line. This article was originally published in Voice Coil, August 2016.
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Essential Loudspeaker Industry Content in Voice Coil June 2017
May 24, 2017 by audioXpress Staff

Essential Loudspeaker Industry Content in Voice Coil June 2017

Now available for download, Voice Coil June 2017 features a report on new earphone and headphone technology developments, compiled by Mike Klasco (Menlo Scientific); a directory of manufacturers; and a summary of recommended related trade shows. James Croft reviews a patent for a passive radiator with dynamically adjustable resonant frequency, while Vance Dickason tests Eminence’s new 1” compression driver and SEAS’ 6.5” “King Coax.”
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