May 19, 2014
Tang Band D52-1 Two-Way Speaker Kit
Do you want to build your own speakers with little risk of them ending up as unsuccessful souvenirs? Do you want to familiarize yourself with a speaker’s electronics and building aspects but still have a nice sounding system? Then the Tang Band D52-1 is definitely a speaker kit we can recommend. We already tried it for you!
May 19, 2014
Linear AC Measurements Using a Diode
Looking for a circuit solution to the problem of measuring AC voltage and current using DC meters? Synchronous rectification solves a pesky problem caused by diodes.
May 16, 2014
audioXpress June 2014 Highlights
This month we bring you a report on some of the highlights from the Prolight+Sound 2014 show in Frankfurt, Germany. The show provided several innovative proposals for the professional audio industry.
May 15, 2014
How to Score Cheap Transformers
Looking to start a DIY tube amp project without shelling out big bucks? You can do it if you follow a few tips from Bruce Brown, who built a high-quality tube amp for less than $150. His biggest purchase was the “iron.” Here’s how he kept the cost down.
May 11, 2014
OPPO Digital confirms availability of HA-1 Headphone Amplifier
Like many technology companies in Silicon Valley, OPPO Digital is continuously working on bringing new ideas and new products to customers. Over the past 8 years, OPPO has developed and released a series of award-winning universal DVD and Blu-ray players. But just as video has entered the Ultra HD era, OPPO Digital acknowledges audio is evolving with the rise of high-resolution music and a renewed interest in personal audio. Aiming at demanding customers in the personal audio space OPPO has announced the new PM-1 Planar Magnetic Headphone and HA-1 Headphone Amplifier. The PM-1's became available middle April and the HA-1 one month later.
April 14, 2014
What’s Next in Audio?
audioXpress is deeply rooted in the R&D and DIY audio communities. So is Elektor, our sister publication that originated in Europe. Elektor International Media (EIM) group publishes Elektor, audioXpress, Voice Coil, the Loudspeaker Industry Sourcebook, and Circuit Cellar.
April 3, 2014
Member Profile: Jack Philpot
Jack said he started subscribing to audioXpress when he discovered that it was a continuation of the Audio Amateur publication. He said he was hoping to find back issues that may contain an upgrade article on the Adcom GFP-565 preamplifier.
April 1, 2014
audioXpress The Leading Global Audio Engineering & Development Magazine
The Leading Global Audio Engineering & Development Magazine and Website
March 31, 2014
Industry Watch: April 2014
New England Audio Resource (N.E.A.R., which was originally called New England Audio Research) was founded in 1988 by Bill Kieltyka. Interestingly, the company purchased a lot of the transducer tooling from Rudy Bozak, and its line was always based, as with Bozak, on aluminum cone woofers and tweeters. (For a period of time, I designed the networks for the entire N.E.A.R. line of two-channel and home-theater speakers).
March 28, 2014
Member Profile: Antonio Velasquez
Antonio subscribed to audioXpress after being linked to it from Elektor, which he said he had been familiar with for a long time. At first, he said he just read the audioXpress articles. Then he said he realized there is a community of great folks, who are really into audio and acoustics innovation. Antonio said, “I thought that I may learn and have a lot of fun if I could be part of it.”