audioXpress March 2015—Focus on Test & Measurement, available online!

For our March 2015 edition, we have selected a series of articles dedicated to Test & Measurement, both from a practical and a DIY perspective. First is Ethan Winer’s (re)take on Practical Applications for SPL Meters, followed by an historical recap from Voice Coil magazine editor Vance Dickason, on his reputed Test Bench process used to characterize drivers. We also discuss Headphone Testing issues among other things.

audioXpress February features an eclectic mix of articles touching on radically different audio technologies, from classic tube microphones to the most advanced audio processing software available. Don’t miss our reviews of Blue Microphones’ Mo-Fi Active Headphones and Native Instruments' Molekular. Headphones, wireless audio and how to use an Arduino microcontroller to build an automatic power controller for a tube power amplifier.

The January 2015 issue of audioXpress celebrates our 14th year. This edition includes our Rocky Mountain Audio Fest (RMAF) 2014 report, we assembled and tested the MOD 102 Guitar Tube Amplifier Kit by MOD Kits, invited Scott Dorsey to update his Kludge reamplifier box and Gerhard Haas explains how to build a Wah Wah effects device. Don’t miss it!

The December 2014 issue of audioXpress signals the start of a new fascinating article series by Ron Tipton, which traces the evolution from mono to present-day binaural recording with practical experiments and examples. We review Universal Audio’s Apollo Twin Thunderbolt-based audio interface and conclude George Adamidis’ “Build Your Own Audio Mixer” project and discuss “Correct Tube Amplification for Headphones Operation.”

The November 2014 edition of audioXpress is dedicated to our DIY audience with the first instalment of a rewarding project on “How to Build an Audio Mixer“ by George Adamidis. We also have two great articles on audio amplifiers: one is Class-AB MOSFET-based and the other is a push-pull AB amplifier using KT 120 vacuum tubes. Of course, we continue to discuss the latest Wireless Audio technologies and Audio for Mobile Devices. In the third article in the Nordic Audio series, we explore Scan-Speak’s audio history. We also bring you an article explaining the thinking and product design considerations for the unique Genelec M Series studio monitors. That and much more is already online.

Our October edition of audioXpress is full of great articles on current topics and trends in audio electronics, acoustics, and technology innovations. Our October cover story highlights the start of a new series on Wireless Audio. In another timely topic, our usual “Speakers” column turns to the fascinating subject of “Audio for Mobile Devices.” We review NUGEN Audio’s Loudness Toolkit Bundle and Rick Silva from Audionamix explains audio source separation using its new software, ADX TRAX. For our DIY audio readers, we bring you a shunt-type level control project, a one-of-a-kind guitar amplifier and tone controls for a three-channel tube-based guitar preamplifier.

audioXpress September 2014 — special Speaker Focus Edition is now available online and in print. It’s (almost) all dedicated to speakers, including Nordic Audio Tales, a new series dedicated to the speaker brands from the northern regions of Europe, a complete overview of Theater Sound speaker companies, and much more.

Another great edition of audioXpress is now available online and in print. There’s an exciting double review of OPPO Digital’s new PM-1 Planar Magnetic Headphones and the new HA-1 Headphone Amplifier. We also examine Powersoft Audio’s amplifier technologies and we explore the immersive challenge on Cinema Sound.

This month, audioXpress looks at the trends on the cinema speaker market and explores the world of Electrostatic speakers. For our readers devoted to DIY audio we bring you a Bipole Acoustic Labyrinth Enclosure by Ken Bird and an Arduino-based real tube preamp from Shannon Parks, among many other great articles and columns.

Which sounds better — a tube or solid-state amp? The "Great Debate" has been going on for decades. Now it's time to put the debate to rest. In audioXpress, November 2012, Richard Honeycutt's published this article exploring how to detect audio amplifiers’s differences in sound and the need for a correct subjective evaluation process of components and systems.