All items tagged with valves (154)
audioXpress December 2014 Is Available Online
October 31, 2014 by Joao Martins

audioXpress December 2014 Is Available Online

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.”
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The Audio Voice - Weekly Newsletter for audioXpress and Voice Coil Communities
October 23, 2014 by audioXpress Staff

The Audio Voice - Weekly Newsletter for audioXpress and Voice Coil Communities

It just gets better every week! The Audio Voice newsletter addresses the interests of both audioXpress and Voice Coil readership communities. A unique perspective for audio developers, manufacturers, marketeers, design and engineering houses, supply chain, and industry insiders. Every week, there's a rich mix of industry news and trends, product design and new technology highlights, trade-show calendar updates, a selection of free magazine articles, and much more, directly to your inbox.
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Wathen Speakers Introduces Cryotone Tubes at Summer NAMM
July 21, 2014 by audioXpress Staff

Wathen Speakers Introduces Cryotone Tubes at Summer NAMM

Wathen Speakers introduced its new Wathen CryoTone Tubes at the Summer NAMM 2014 in Nashville. According to the company, Wathen CryoTone tubes use a cryogenic treatment process that is specifically designed to maximize sonic performance in tubes, expanding its dynamic range, while also increasing its reliability.
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NOS Yellow Jacket Tube Converter from MOD Kits DIY
July 18, 2014 by audioXpress Staff

NOS Yellow Jacket Tube Converter from MOD Kits DIY

The new Yellow Jackets NOS (New Old Stock) Tube Converter, designed with an NOS 6AQ5 seven-pin miniature beam power tube, is a limited edition converter made for use in most amplifiers under 100 watts and using 6L6, EL34, 7027 or 6V6 output tubes. The converter lowers the overall power in an amplifier and gives that amp a unique vintage tone.
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Linear Audio Volume 7—More Innovative and Thought-Provoking Articles!
June 27, 2014 by audioXpress Staff

Linear Audio Volume 7—More Innovative and Thought-Provoking Articles!

Linear Audio Volume 7 is the eight issue of a series of printed bookzines dedicated to technical audio and perception. Compiled and published by our technical editor, Jan Didden, this series of bookzines aims to help spread technical audio information and knowledge in printed format.
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Tube Amp Project: The Nardeaux Steromatic 602 S
June 16, 2014 by John Badalamenti

Tube Amp Project: The Nardeaux Steromatic 602 S

You can build a tube amplifier that's similar to the original Nardeux Stereomatic 302 S. Follow these steps to create a powerful amplifier that produces satisfying music output.
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DIY SRPP Headphone Amp for Warm Sound
June 9, 2014 by Martin Louw Kristoffersen

DIY SRPP Headphone Amp for Warm Sound

With a circuit configuration known as series regulated push-pull (SRPP), you can build a low-power tube amplifier that doesn't require the infamous output transformer.
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Build a Hybrid Tube/MOSFET SE Amp
June 2, 2014 by Generoso Cozza

Build a Hybrid Tube/MOSFET SE Amp

With a little know-how and some basic parts, you can design a hybrid amplifier in fairly short order. This project combines the best attributes of both tube and transistor technologies.
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Differences in Amp Sound: What’s the Truth?
May 30, 2014 by Richard Honeycutt

Differences in Amp Sound: What’s the Truth?

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.
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Q&A: Engineer Takes a Chance on Start-Up Audio Venture
January 22, 2014 by Shannon Becker

Q&A: Engineer Takes a Chance on Start-Up Audio Venture

SHANNON BECKER: Tell us about your company Tortuga Audio. Can you also share the story behind your sea turtle mascot? MORTEN SISSENER: Tortuga Audio is a boutique audio design, manufacturing, and marketing company located in South Florida. At present we …
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