All items tagged with loudspeaker design (178)
Loudspeaker Measurement Tools from Physical Lab
April 11, 2018 by Vance Dickason

Loudspeaker Measurement Tools from Physical Lab

Physical Lab, based in Senden, Germany, is a fascinating company in that it not only manufactures loudspeaker test solutions directly aimed at speaker development and research, but also provides several engineering services for the loudspeaker industry. This article highlights the three loudspeaker measurement accessories that Physical Lab manufactures — the Physical Lab Mini Reference Amplifier, the Physical Lab Imp Box, and the Physical Lab ISO Box. The article was originally published in Voice Coil, December 2017.
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Fresh From the Bench: Vanatoo Transparent Zero Powered Speakers
January 17, 2018 by Stuart Yaniger

Fresh From the Bench: Vanatoo Transparent Zero Powered Speakers

During the AXPONA 2017 show in Chicago, IL, Stuart Yaniger visited the Vanatoo room and was greatly impressed with the small and inexpensive proposition of the Transparent Zero powered speakers. After getting a pair into his lab for extended listening and measurement, in January 2018, audioXpress published an extensive and detailed review, because, as Yaniger writes, "I think the engineering is enough to merit the high ratio of words to price."
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Advanced Engineering Simulation Software
October 18, 2017 by Mike Klasco

Advanced Engineering Simulation Software

Simulation software for speaker design has been around since the 1970s. With the introduction of the IBM PC and DOS operating system in the early 1980s, Thiele-Small (T-S) simulation software for enclosure design became a must-have for speaker system designers. For the most sophisticated design efforts, there are now magnetic circuit design software and finite element analysis (FEA) cone and thermal prediction simulation software. This article was originally published in Voice Coil, March 2017.
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New Driver Technology from Fibona Acoustics
September 6, 2017 by Vance Dickason

New Driver Technology from Fibona Acoustics

Fibona Acoustics, founded in 2015 and headquartered in Copenhagen, Denmark, has introduced a new patented driver technology Enclosure Magnet Coaxial Transducer (EMCT), developed by Milad Kahfizadeh, an industry veteran and the company's founder. The design has a shallow coaxial design of the diaphragm, a self-containing enclosure, and high sensitivity, with improved high frequency sound dispersion.
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Earthquake Sound Introduces New Patented PUMP 12 Passive Radiator Design
August 23, 2017 by audioXpress Staff

Earthquake Sound Introduces New Patented PUMP 12 Passive Radiator Design

Earthquake Sound is now promoting its latest patented design, which entails an advanced improvement over the previous patent for the successful Symmetrically Loaded Audio Passive System (S.L.A.P.S.) Radiator. Since its initial appearance in early prototype phase, the new PUMP 12 passive radiator design has been impressing everyone with its ability to increase a subwoofer's SPL up to 6dB. The new PUMP 12 passive radiator module is now available.
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Eminence Speaker Eyes the Future with Engineering Appointment
June 27, 2017 by audioXpress Staff

Eminence Speaker Eyes the Future with Engineering Appointment

A leading supplier of loudspeakers and high frequency devices since 1966, Eminence announced the appointment of Courtney F. Morgan, Ph.D. as its new Research and Innovation Leader. Morgan has a Bachelor’s degree in Chemistry from the University of Georgia and a Ph.D. in Physical Chemistry from Emory University in Atlanta. His post doctoral research focused on nuclear magnetic resonance at the University of California Santa Cruz.
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Voice Coil Magazine
May 15, 2017 by audioXpress Staff

Voice Coil Magazine

Concise, timely and accurate, Voice Coil is your one-stop source to stay competitive in the loudspeaker industry! Every month, Voice Coil delivers loudspeaker professionals with the latest in technology and components. Vance Dickason and other industry experts provide a comprehensive collection of reviews on the loudspeaker products you use every day. Voice Coil, the periodical for the loudspeaker industry is free for those who qualify!
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PCB Piezotronics Introduces New Phantom Powered Preamplifier Design for Audio Measurements
April 28, 2017 by audioXpress Staff

PCB Piezotronics Introduces New Phantom Powered Preamplifier Design for Audio Measurements

A new, patent pending, universal preamplifier from PCB Piezotronics, reduces project costs by allowing users to interchange multiple test microphone cartridges to meet unique testing requirements. Model 426A14 adapts to any IEC 61094-4 compliant, prepolarized microphone for use in loudspeaker design, microphone and amplifier modeling, and live sound or high definition recording applications.
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VC Spotlight: Boundary Effects on Sources at Low Frequencies
April 27, 2017 by Christopher J. Struck

VC Spotlight: Boundary Effects on Sources at Low Frequencies

A sound source, such as a loudspeaker, will experience an increase in directivity with increasing frequency, as the wavelength of sound becomes small compared to the baffle’s size. Since the baffle the driver is mounted on is larger than the driver, this occurs at a lower frequency than for the driver diaphragm itself. This article was published originally in Voice Coil, July 2016
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Louder, Faithful, and Consistent. Using Digital Signal Processing to Improve Loudspeaker Performance
March 22, 2017 by Wolfgang Klippel

Louder, Faithful, and Consistent. Using Digital Signal Processing to Improve Loudspeaker Performance

Within the audio chain, the loudspeaker could be the element that most influences a user’s auditory experience. A loudspeaker is not only the final element that converts electric input into an audible output, but it is also responsible for an increasing portion of the system’s cost, inefficiency, weight, and size, making it a crucial element for the costumer and the manufacturer. This article, published in Voice Coil, May 2016, discusses ways to use digital signal processing to improve loudspeaker performance.
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