All items tagged with Klippel (104)
A New Approach to Loudspeaker Measurements
January 27, 2016 by Dave Logan

A New Approach to Loudspeaker Measurements

Recently, there has been increased demand for loudspeaker 3-D directivity measurements both in the near- and far-fields for different applications. New holographic near-field scanning techniques provide new ways to determine the sound pressure at any point in the 3-D sound field. This article was originally published in Voice Coil, May 2015.
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Voice Coil January 2016 is Now Available. Here’s to Another Great Year!
December 23, 2015 by audioXpress Staff

Voice Coil January 2016 is Now Available. Here’s to Another Great Year!

Get your agenda ready for the 2016 National Association of Music Merchants (NAMM) Show in Anaheim, CA, and the Integrated Systems Europe (ISE) trade show, being held February 9–12, 2016, in Amsterdam. Read about a new transducer technology from Christianson Audio, and a great reference article on “Micro Suspension Part Measurements.” This month’s Test Bench characterizes a high-end 5.25” mid-bass driver from Motus Audio and a Pro Sound 10” woofer from MAG.
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Test Bench - Celestion CF1840JD 18” subwoofer
November 27, 2015 by Vance Dickason

Test Bench - Celestion CF1840JD 18” subwoofer

This Test Bench analysis discusses Celestion CF1840JD pro sound 18” woofer. The CF1840JD is a fairly high power handling woofer rated at 1,000 WRMS (AES standard), featuring a substantial ferrite finite element analysis (FEA) optimized motor assembly, an 18” Kevlar-loaded paper cone and large 5.5” diameter paper dust cap. This article was originally published in Voice Coil, December 2014.
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Warkwyn Completes Move to Minneapolis and Renews Klippel Agreement
October 22, 2015 by audioXpress Staff

Warkwyn Completes Move to Minneapolis and Renews Klippel Agreement

Acoustic design and measurement firm Warkwyn, recently acquired by US OEM speaker manufacturer MISCO, announced that it has completed the relocation of all operations from Ontario, Canada to Minneapolis and is now fully operational. The company also announced that its role as North American sales and training agent for Klippel GmbH has been renewed.
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An Interview with Patrick Turnmire
September 8, 2015 by Vance Dickason

An Interview with Patrick Turnmire

This interview was published in Voice Coil August 2013. Nearly 10 years since Patrick Turnmire, of Redrock Acoustics, had started providing Voice Coil with valuable Klippel data for Vance Dickason’s the Test Bench column. In this interview Patrick Turnmire explains his work with his company, Redrock Acoustics.
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Measurement and Perception of Irregular Loudspeaker Defects
June 8, 2015 by Wolfgang Klippel and Robert Werner

Measurement and Perception of Irregular Loudspeaker Defects

Loudspeaker defects caused by manufacturing, aging, overload, or climate impact generate a special kind of irregular distortion commonly known as rub & buzz, which is highly audible and intolerable for the human ear. This article, originally published in Voice Coil, June 2011, discusses how to measure and detect those defects.
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Measurement and Perception of Regular Loudspeaker Distortion
June 3, 2015 by Wolfgang Klippel and Robert Werner

Measurement and Perception of Regular Loudspeaker Distortion

This article discusses the physical causes of regular loudspeaker distortions, their modeling by using lumped and distributed parameters, the objective assessment using modern measurement techniques, and the perception by the human ear. Article originally published in Voice Coil, May 2011
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Voice Coil May 2015 is Now Available Online
April 22, 2015 by audioXpress Staff

Voice Coil May 2015 is Now Available Online

Voice Coil May 2015 features a great in-depth article from Dave on Loudspeaker Measurements, an article from Mike Klasco about MEMS Microspeakers, and the usual patents review by James Croft. This month’s Voice Coil Test Bench includes two shallow-mount subwoofers from Dayton Audio and a Bluetooth and loudspeaker kit from Tang Band. Great reasons not to delay on downloading the issue.
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Voice Coil Spotlight: The Beryllium Advantage
March 16, 2015 by Michael Adams & Ken Berger

Voice Coil Spotlight: The Beryllium Advantage

Since its formation, VUE Audiotechnik has been engaged in a strategic development partnership with Materion Electrofusion, the world’s leading supplier of genuine beryllium. This article explores beryllium as a high-performance alternative to aluminum and titanium. Originally Published by Voice Coil, April 2013
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Klippel’s Three-Day Lecture on Sound Quality of Audio Systems
March 4, 2015 by Vance Dickason

Klippel’s Three-Day Lecture on Sound Quality of Audio Systems

Registrations are open for engineers active in audio product and loudspeaker design, research & development and quality control and all interested students wishing to attend the 3 day lecture “Sound Quality of Audio Systems - Modeling, Measurement, and Control”” by Prof. Dr. Wolfgang Klippel at Dresden University of Technology, March 23-25, 2015.
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