All items tagged with crossovers (130)

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.

Test Bench: Wavecor TW030WA12 30-mm Cloth Waveguide Loaded Tweeter

January 19, 2016 by Vance Dickason

Test Bench: Wavecor TW030WA12 30-mm Cloth Waveguide Loaded Tweeter

This Test Bench is about the new Wavecor TW030WA12, a new 30-mm cloth waveguide loaded tweeter intended for home audio applications. The TW030WA12 features a 30-mm wide surround precision-coated cloth diaphragm optimized for high-frequency cut-off above 20 kHz. Its most differentiating feature is a waveguide faceplate for increased sensitivity and directivity. This article was featured on the January 2015 edition of Voice Coil.

Must Read for Audio Designers: audioXpress February 2016 Now Available

January 12, 2016 by audioXpress Staff

Must Read for Audio Designers: audioXpress February 2016 Now Available

This month, audioXpress features an updated version of the Willow amplifier, especially designed for the DIY community, and a three-way loudspeaker project with an external active crossover network. We visited Eighteen Sound in Italy, discuss experiments with Dolby Atmos, audio networking development based on Audinate’s Dante technology and learn how to measure Reverberation Time (RT). And if you are interested in recreations of the famous Fairchild compressor/limiters, rectifier tubes, and how to properly test tubes, don’t miss this month’s audioXpress.

December 10, 2015 by Joao Martins

Eighteen Sound Confirms Acquisition of Ciare Brand

Eighteen Sound of Reggio Emilia, Italy, has revealed the acquisition of the Ciare brand, of Senigallia, Italy. The announcement follows a previous strategic agreement with Ciare, announced in June 2015, which allowed Eighteen Sound to control worldwide sales of Ciare’s catalog. The confirmed acquisition broadens the scope of Eighteen Sound’s product line offering, as well as expanding the two brand’s access to new global markets.

Biamp Systems Announces Rebranding to Mark 40th Anniversary Milestone

November 30, 2015 by audioXpress Staff

Biamp Systems Announces Rebranding to Mark 40th Anniversary Milestone

Based in Beaverton, Oregon, Biamp Systems is a leading provider of networked processing systems for commercial audio/video installations. In celebration of the company’s 40-year landmark, Biamp introduced a refresh of its brand with a new simpler logo that echoes the company’s vision, focusing on quality, innovation, and customer support.

Bose Professional Updates Legendary Panaray 802 and 402 Loudspeakers as Series IV

November 26, 2015 by audioXpress Staff

Bose Professional Updates Legendary Panaray 802 and 402 Loudspeakers as Series IV

Its no wonder these speakers look familiar. Bose Panaray 802 and Panaray 402 sound-reinforcement loudspeakers have been used for so long that even those Asian companies producing knockoffs have already introduced multiple generations of “improved” iterations (!). Now Bose decided it was time for “Series IV” models with updates to facilitate simple and versatile mounting.

Current Source Crossover Filters

November 24, 2015 by Nelson Pass

Current Source Crossover Filters

In this article published originally by audioXpress in March 2005, Nelson Pass offers a series of tips about designing filter networks for both voltage and current sources. Nelson Pass provides filter examples that can be used equally well with a voltage or current source.

Driver Selection for Multi-Way Speakers

November 11, 2015 by Richard Honeycutt

Driver Selection for Multi-Way Speakers

It was recognized early on that the speakers benefited from having separate low-frequency and high-frequency drivers, each optimized for its own frequency range. Consequently, names were needed to easily identify the various speakers in a cabinet. This article was originally published in Voice Coil, January 2012.

November 4, 2015 by Nelson Pass

The Sweet Spot

What can you do to ensure the best possible sound from your system? According to Nelson Pass, the “sweet spot” concept is generally regarded as “that happy balance of conditions that elicits the best possible sound,” including the interiors of the components themselves. This article was originally published by audioXpress, January 2010.

Genelec Introduces Intelligence to Large Main Monitor Systems with the 1236 SAM Monitor and RAM-XL Amplifier

November 2, 2015 by audioXpress Staff

Genelec Introduces Intelligence to Large Main Monitor Systems with the 1236 SAM Monitor and RAM-XL Amplifier

At the 139th International AES convention in New York, Genelec introduced its flagship 1236 monitoring system and accompanying RAM-XL Remote Amplifier Module, designed to achieve extreme performance requirements in the most demanding recording and mixing environments. This is Genelec’s sixteenth Smart Active Monitoring (SAM) system.

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