All items in category Magazine Articles
Fresh From the Bench: KanexPro HAECOAX HDMI Audio De-Embedder
by Gary Galo

Fresh From the Bench: KanexPro HAECOAX HDMI Audio De-Embedder

This review explains the merits of the KanexPro HAECOAX, an HDMI audio de-embedder, which extracts the PCM datastream from your players HDMI output and feeds the datastream to an S/PDIF output at the disc’s full resolution. Gary Galo discovered the device some time ago, enabling him to extract digital high-resolution audio sources from HDMI signals. This article was originally published in audioXpress, July 2016.
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Purifi Audio - A Straight Wire to the Soul of Music
by Jan Didden

Purifi Audio - A Straight Wire to the Soul of Music

audioXpress' Technical Editor Jan Didden met with Bruno Putzeys and Lars Risbo, the founders of Purifi Audio, the new Danish company that the entire audio industry is talking about. The Netherlands Audio Engineering Society (AES) section invited the duo for a technical update on their plans, and they gracefully agreed to a presentation on June 13 at the Royal Conservatory of Music in The Hague, which Didden attended and reports here. This article was originally published in audioXpress, September 2019.
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Fresh From the Bench: Meet the PureAudioProject Trio15 Heil AMT Speakers
by Oliver A.Masciarotte

Fresh From the Bench: Meet the PureAudioProject Trio15 Heil AMT Speakers

In this speaker review, Oliver Masciarotte and Kent Peterson (of Warkwyn) listen, measure, and listen again to the PureAudioProject Trio15 Heil AMT speaker system. This is a fascinating modular system, in this case designed using an ESS 6" Air Motion Transformer (AMT) and two Eminence 15" drivers, specifically optimized for use in open-baffle applications. This article was originally published in audioXpress, September 2019.
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Fresh From The Bench: Examining the miniDSP EARS Headphone Test Fixture
by Stuart Yaniger

Fresh From The Bench: Examining the miniDSP EARS Headphone Test Fixture

In the March 2019 edition of audioXpress, focusing on Test and Measurement, Stuart Yaniger explored the new Earphone Audio Response System or EARS, which miniDSP introduced as an affordable test jig for headphone measurements. Basically, this is a plug & play USB audio streaming device, featuring dual low noise calibrated mics with interchangeable silicon ears. But is it really the answer to bring "headphone measurements to the masses," as the manufacturer intended?
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Good Vibrations (Part 2) - Dealing With Unwanted Vibrations
by Norman Varney

Good Vibrations (Part 2) - Dealing With Unwanted Vibrations

Following a first R&D article, where Norman Varney discusses the basic principles of unwanted vibrations in audio playback environments, in this second part he writes about what his research found to be effective ways to counteract those effects. The article details the evaluation process and extensive measurements that lead to the creation of various products that AV RoomService provides when helping clients with their acoustic problems. This article was originally published in audioXpress, September 2019.
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Fresh From the Bench: Sonarworks True-Fi Software - The Simple EQ to Fix Your Headphones
by Luke McCready

Fresh From the Bench: Sonarworks True-Fi Software - The Simple EQ to Fix Your Headphones

This review focuses on something special for headphones, looking in-depth at the Sonarworks True-Fi Software, which aims to improve headphone listening on the desktop and smartphone at a price consumers can afford. Luke McCready test drove the software to discover its strengths and limitations, and also shares what’s coming next for Sonarworks. This article was originally published in audioXpress, July 2019.
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Good Vibrations (Part 1) - The Basic Principles of Unwanted Vibrations
by Norman Varney

Good Vibrations (Part 1) - The Basic Principles of Unwanted Vibrations

In this article, Norman Varney discusses the basic principles of unwanted vibrations in audio playback environments. "When we play back audio, we only want to hear sound waves created from the electromechanical vibrations produced by the loudspeaker. They are the result and intention of the artists. They are the original signals. These are good vibrations. However, for this article, we will focus on the basic principles of unwanted vibrations of audio playback environments," states Varney in the article introduction, originally published in audioXpress, August 2019
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Fresh From the Bench: Kali Audio LP-6 Powered Studio Monitors
by Stuart Yaniger

Fresh From the Bench: Kali Audio LP-6 Powered Studio Monitors

The Kali Audio LP-6 Powered Studio Monitors are speakers with a plain, business-like appearance, that we would easily be misled to think are just another run-of-the-mill home studio affordable offering. If it wasn't for the fact that Kali Audio is a new California-based company formed by a group of (now former) JBL employees. The Kali LP-6s are serious contenders in the studio space, and can be also formidable affordable options on any other environment. This article was originally published in audioXpress, August 2019.
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Amplifier Series: Powersoft OEM Power Amplifier Modules
by Ward Maas

Amplifier Series: Powersoft OEM Power Amplifier Modules

In this article in the Amplifier Series, where audioXpress explores the history, technological developments, and new generation products from some of the most innovative amplifier platform companies serving all segments of the audio industry, Ward Maas writes about Italian company Powersoft, focusing specifically on the brand’s OEM amplifier modules. This article was originally published in audioxpress, July 2019.
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Loudspeaker Enclosure Materials (Part 2)
by Mike Klasco

Loudspeaker Enclosure Materials (Part 2)

In the first part of this article, Mike Klasco discussed the contribution of the enclosure on perceived overall product quality as well as sonic clarity. This second part of the article looks closely at material testing, evaluation and manufacturability, and other more recent approaches to enclosure materials, including Thermosets and Thermoplastics, Bulk-Molded and Sheet-Molded Thermosets. This article was originally published in Voice Coil, May 2019.
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