All items tagged with Klippel (98)

Design, Simulations, and Measurements in Voice Coil December 2024

November 27, 2024 by audioXpress Staff

Design, Simulations, and Measurements in Voice Coil December 2024

In this December 2024 issue there's a new DSP product review of the Marani Pro Audio MIR260A outboard processor, and Lars Risbo shares his expertise in Numerical Optimization applied to Speaker Box Alignments. Essential resources are the updated directories of Test and Measurement and of Simulation and CAD Software vendors. On Test Bench, Vance Dickason characterizes the Faital Pro HF110 1" Neodymium Motor Compression Driver and the SB Acoustics Satori MR16TX-8 6.5" TPCD Midrange.

COMSOL Multiphysics Version 6.3 Introduces GPU-Accelerated Acoustics Simulation

November 20, 2024 by Joao Martins

COMSOL Multiphysics Version 6.3 Introduces GPU-Accelerated Acoustics Simulation

COMSOL continues to expand the possibilities for simulation of real-world designs, devices, and processes, and now announced Version 6.3 of its COMSOL Multiphysics software. As largely anticipated in the recent series of conferences, COMSOL 6.3 introduces a new Electric Discharge Module, GPU-accelerated simulations, and many other updates. The Acoustics Module now offers GPU support for transient pressure acoustics, porous materials in the time domain, SLNS formulation for thermoviscous acoustics, anisotropic poroacoustics, and much more

Pure Acourate Sound Project: Greater Than the Sum of Its Parts

May 1, 2024 by Jan Didden

Pure Acourate Sound Project: Greater Than the Sum of Its Parts

audioXpress traveled to Germany to learn about the Pure Acourate Sound Project, which aims to create the lowest distortion sound in a listening room. The initiators of the Pure Acourate Sound project are Ulrich Brüggemann, Markus Grelka, and Ralf Höllmann. The partners involved in this unique system are Purifi Audio, Okto Research, GIK Acoustics, Klippel, Roon, AudioVero, Rose Handwerk, and Joachim Gerhard. Ahead of the presentation at the May 2024 Munich High-End show, audioXpress offers a preview of the project.

audioXpress May 2024 Glass Audio Special Issue Now Available

April 12, 2024 by audioXpress Staff

audioXpress May 2024 Glass Audio Special Issue Now Available

In the 2024 Glass Audio Special issue there’s Menno van der Veen’s TubeSociety TS-2022-OTL hybrid amplifier, and a Low-Feedback Triode Amplifier With Zero Output Impedance (ZOI) as DIY projects, designed by Tim Mellow and Peter Farrow. More great audio electronic articles by Rudolf Moers, Christopher Paul, and Dimitri Danyuk. Read about sustainable acoustical absorption, the Pure Acourate Sound Project, and The Neurochrome Story. And Andrew C. Russell concludes his High-Performance 60-Watt Class A Amplifier project.

Low Frequency in Loudspeakers: It’s All About the Bass!

April 3, 2024 by Mike Klasco

Low Frequency in Loudspeakers: It’s All About the Bass!

All the speaker design techniques to achieve more bass, challenging Hofmann's Iron Law. The same bass in a smaller enclosure? Deeper or louder bass for the same enclosure back volume? Higher efficiency for a given alignment? A cleaner lower distortion bass? Learn about the companies, products, and technologies that make all this possible. This article was originally published in Voice Coil, November 2023.

Time For Your Voice Coil January 2024 Issue

December 28, 2023 by audioXpress Staff

Time For Your Voice Coil January 2024 Issue

In the first issue of Voice Coil for 2024, Patrick Turnmire writes about "Diagnosing Speaker Design Issues Using the Klippel Distortion Analyzer." James Croft reviews a Devialet patent. And in Test Bench, Vance Dickason characterizes the new DE350-8 Ultra-Compact 1" Compression Driver from B&C Speakers, and the new LM10n Wide Band Ribbon Transducer from Radian Audio Engineering. This issue also features an updated directory of 2024 Earphone and Headphone Manufacturers and Parts Suppliers.

Three-Day Lecture by Wolfgang Klippel Scheduled for 2024

December 11, 2023 by audioXpress Staff

Three-Day Lecture by Wolfgang Klippel Scheduled for 2024

Klippel is promoting a new 3-Day Lecture, following the popular format of previous editions. The main topic for 2024 will be Sound Quality of Audio Systems, Modeling, Measurement & Control. The three-day event combines both theory and practice and will take place March 4-6, at the Technical University of Dresden, Germany. Registration for the lecture is now open for a fee for general admission and is free for students.

Just One More Thing. Don't Miss Voice Coil December 2023

November 29, 2023 by audioXpress Staff

Just One More Thing. Don't Miss Voice Coil December 2023

This is the last issue of Voice Coil for 2023, which includes a combination of valuable industry resources and expert knowledge for loudspeaker engineers. Mike Klasco and Nora Wong (Menlo Scientific) have compiled an updated directory of Engineering Simulation Software and Test & Measurement Hardware Vendors. And in Test Bench, Vance Dickason characterizes the latest PTT8.0X04-NAB-02 8" aluminum cone woofer from Purifi Audio.

Redrock Acoustics Relaunches Loudspeaker Testing Services

November 20, 2023 by audioXpress Staff

Redrock Acoustics Relaunches Loudspeaker Testing Services

Redrock Acoustics, the company founded by Patrick Turnmire, announced the launch of a new website that also signals the return of the company to offering loudspeaker testing services. Renowned for offering engineering and design services, Redrock Acoustics is again opening access to services that include Klippel testing and transducer analysis. Visitors to the new website will find information about all services, and the SpeaD transducer development software, as well as other design tools.

Klippel Releases dB-Lab Version 212 and QC 7 Update

October 27, 2023 by Joao Martins

Klippel Releases dB-Lab Version 212 and QC 7 Update

Klippel released the dB-Lab 212.616 and QC 7.5 maintenance update for the Klippel Analyzer System. The October 2023 software release is now available and features significant revisions to the Klippel Endurance Test (KET) as well as extended analysis opportunities for R&D modules like Multi-Tone Measurement (MTON) and Time Frequency Analysis (TFA). The update is free of charge for all users running dB-Lab 212 or QC7.

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