All items tagged with valves (154)
Are You Serious About Audio Electronics? audioXpress November 2019 Is Now Available!
October 9, 2019 by audioXpress Staff

Are You Serious About Audio Electronics? audioXpress November 2019 Is Now Available!

The November 2019 edition of audioXpress is now available with a wide range of technical topics in audio electronics and design. We review the Benchmark LA4 Line Amplifier and the new Hooke Verse Bluetooth Binaural Recording Headphones. Jan Didden proposes an updated version of his High-Voltage Delay for Tube Amplifiers, and Thomas Zarbo, Jr. explains how to build his Tenacious Bass-8 Powered Subwoofer. And, learn more about Data-Over-Sound, MU amplification topologies, and Auverdion’s Aurora open-source DSP platform. Now available!
Read more...
Allen & Heath Announces New Avantis 96kHz Digital Mixing Console for Touring and Live Events
October 7, 2019 by audioXpress Staff

Allen & Heath Announces New Avantis 96kHz Digital Mixing Console for Touring and Live Events

Allen & Heath has revealed a new stunning new mixing console design. Avantis is the third model to be based on the company's XCVI FPGA engine, allowing 96kHz operation and puts this next-generation technology available across all its 64 channels and 42 configurable busses, with twin Full HD touchscreens, extensive I/O options and processing from the company's flagship dLive mixing system. The new console is also designed with a surprisingly robust all-metal structure inspired by tubular exo skeletons of super-bikes!
Read more...
From 1975 to a New Benchmark with the Luxman CL-1000 Tube Control Amplifier
October 3, 2019 by audioXpress Staff

From 1975 to a New Benchmark with the Luxman CL-1000 Tube Control Amplifier

Luxman’s new flagship control amplifier, the CL-1000 is the spiritual heir to the legendary C-1000, launched in 1975. Yet even as it salutes the past, the new preamp looks forward with an all-new LECUTA volume control system, a nanocrystal core transformer, Luxman’s proprietary oil-impregnated capacitors and more. “The CL-1000 represents everything Luxman knows about vacuum tube audio,” says Jeff Sigmund, president of Luxman America. “It’s not just our newest preamp, it’s our new benchmark.”
Read more...
Rocky Mountain Audio Fest 2019: It Was Fun, But It’s Complicated…
September 12, 2019 by Joao Martins

Rocky Mountain Audio Fest 2019: It Was Fun, But It’s Complicated…

Yes, it was strange to fly to Denver, CO so early in September while most of the industry was on the way to Berlin, Germany for another edition of the International Funkausstellung (IFA), the gigantic consumer electronics and appliance show, which rivals CES in visitor numbers. But the fact is, I don’t regret it in the least. Since the 2019 edition of the Rocky Mountain International Audio Fest (RMAF) changed dates to September 6-8, and the CEDIA Expo takes place shortly after also in Denver, it was a great incentive to opt for Colorado instead.
Read more...
MasterSounds Introduces High-Quality Compact Tube-Based DJ Mixer
August 20, 2019 by audioXpress Staff

MasterSounds Introduces High-Quality Compact Tube-Based DJ Mixer

Do you like vinyl and have more than one turntable? Maybe you are thinking about investing in a new phono preamp and a way to connect both even if it's probably too late to pretend you can learn to be a DJ (hey but the idea is cool anyway...)? Well, here's an interesting option - a compact tube DJ mixer with high-quality components, great sound and the coolest design. The MasterSounds compact Radius Two Valve is a two channel mixer powered by dual triodes. Read on...
Read more...
McIntosh Announces Most Versatile Tube Preamp Ever with New DA2 Digital Module
August 16, 2019 by audioXpress Staff

McIntosh Announces Most Versatile Tube Preamp Ever with New DA2 Digital Module

McIntosh announced the C2700 Vacuum Tube Preamplifier, a highly versatile 16-input preamp which combines 70 years of tube expertise with the very latest high resolution digital audio technology, courtesy of the company’s new, upgradeable DA2 Digital Audio Module (DAC). A reference in home entertainment and high quality audio for 70 years, McIntosh designed a highly versatile, featured-packed tube preamp for today’s modern music lover.
Read more...
Fresh From the Bench: Dayton Audio HTA20BT Hybrid Stereo Tube Amplifier
July 24, 2019 by David Logvin

Fresh From the Bench: Dayton Audio HTA20BT Hybrid Stereo Tube Amplifier

David Logvin had the privilege to use, measure, and put to the test the Dayton Audio HTA20BT Hybrid Stereo Tube Amplifier. As he could confirm, there's something special in this amplifier that combines a tube preamp and Class-D power stage, which can also be used as a headphone amplifier, and features a digital media player and Bluetooth streaming capabilities. All at a very affordable price and with the build quality of a Dayton Audio product. This article was originally published in audioXpress, July 2019.
Read more...
FREE DOWNLOAD
Loudspeaker Enclosure Materials (Part 1)
July 24, 2019 by Mike Klasco

Loudspeaker Enclosure Materials (Part 1)

In this article for Voice Coil, Mike Klasco (Menlo Scientific, Ltd.) reviews and looks ahead at all the materials and design approaches for loudspeaker enclosures. This article discusses enclosures using wood, MDF, plastic, plastic composites, moldable materials, coatings and pairings for those materials, while also looking at new cutting-edge bio-plastics materials. This article was originally published in Voice Coil, March 2019.
Read more...
Microspeakers' Anatomy - How to Design Audio Systems with Very Small Drivers
July 16, 2019 by Mike Klasco and Steve Tatarunis

Microspeakers' Anatomy - How to Design Audio Systems with Very Small Drivers

Audio sound quality optimization in a smartphone, mobile device, display, or laptop computer is the focus here. The goal of this article is not to teach how to design a good microspeaker, but rather to provide information on how to design a good mobile audio system, touching upon speaker design and speaker enclosure techniques. This article was originally published in Voice Coil, May 2010.
Read more...
The Nu:Tekt HA-K1 “Tube” Headphone Amplifier by Korg NuTube
July 2, 2019 by Erik Owen

The Nu:Tekt HA-K1 “Tube” Headphone Amplifier by Korg NuTube

For the May 2019 "Glass Audio" special edition, audioXpress asked Erik Owen to share with us his experience with the new Nu:Tekt HA-K1 “Tube” headphone amplifier using the novel Korg Nutube 6P1 device. This interesting headphone amplifier is sold as a kit for $199, it's relatively easy to assemble, and - more interestingly - makes for a practical way to actually induce some of the magic of tubes in a relatively portable configuration.
Read more...
FREE DOWNLOAD