All items tagged with triode (24)

audioXpress June 2024 Models Automotive Audio Development

May 13, 2024 by audioXpress Staff

audioXpress June 2024 Models Automotive Audio Development

audioXpress June 2024 puts automotive audio development into perspective. Starting with how AI and SDV are impacting the industry, an analysis of Integrated Audio Development Frameworks, how sound defines the driving experience of Electric Vehicles, and lessons learned from aftermarket car audio. Learn how to measure MEMS microspeakers, enjoy two great multiphysics simulation articles by Jinlan Huang and René Christensen, and much more.

audioXpress May 2024 Glass Audio Special Issue Now Available

April 12, 2024 by audioXpress Staff

audioXpress May 2024 Glass Audio Special Issue Now Available

In the 2024 Glass Audio Special issue there’s Menno van der Veen’s TubeSociety TS-2022-OTL hybrid amplifier, and a Low-Feedback Triode Amplifier With Zero Output Impedance (ZOI) as DIY projects, designed by Tim Mellow and Peter Farrow. More great audio electronic articles by Rudolf Moers, Christopher Paul, and Dimitri Danyuk. Read about sustainable acoustical absorption, the Pure Acourate Sound Project, and The Neurochrome Story. And Andrew C. Russell concludes his High-Performance 60-Watt Class A Amplifier project.

Closer to Home. audioXpress October 2022 Is Now Available

September 9, 2022 by audioXpress Staff

Closer to Home. audioXpress October 2022 Is Now Available

There's a lot of everything in audioXpress October 2022. Starting with a market update on audio for Residential Integration. Next, Jonny McClintock shares The Story of aptX, Gary Galo reviews Sumiko phono cartridges and new 78 rpm stylus, Richard Honeycutt explains RT Measurement, Frans de Wit tackles the design of a DC Power Supply, Ken Bird builds a pair of tower speakers with Oaktron drivers manufactured in the US, and Christopher Paul writes about Triode Common Cathode Stages and its controversies.

audioXpress September 2022 Speaker Focus Issue Now Available

August 11, 2022 by audioXpress Staff

audioXpress September 2022 Speaker Focus Issue Now Available

The September 2022 Speaker Focus issue of audioXpress discusses speaker design and testing tools and features two fascinating speaker R&D stories on the Holoplot X1 Matrix Array and Motion Feedback Desktop Subwoofers for nearfield studio application. Geoff Hill explains the latest IEC loudspeaker measurement standards, Roger Shively reports from the AES 2022 Automotive Audio conference, Christoph Sladeczek writes about Audio Objects as Platform Technology in Vehicles, and much more.

You Can DIY! Meet the Pentriode

August 4, 2022 by Alan Kimmel

You Can DIY! Meet the Pentriode

This DIY-focused article introduces the Pentriode, a concept to explore the familiar idea of connecting commonly available pentode tubes as triodes, creating a circuit that excels in linearity. The Pentriode is formed by making one simple change to connect the screen grid to the cathode of a cathode follower. The article proposes different possible approaches, including for a mu stage, a design that the author previously wrote about for audioXpress. This article was originally published in audioXpress, May 2022.

The Many Takes of Audio Amplifiers in audioXpress July 2022

June 13, 2022 by audioXpress Staff

The Many Takes of Audio Amplifiers in audioXpress July 2022

Read audioXpress July 2022 to learn the latest about Audio Amplification technology, an interesting perspective on audio bandwidth measurements, and read the AXPONA 2022 report. On DIY audio, this issue offers a solid-state, modular preamplifier project by Bruce Heran, the Egg Speaker Amp and System by Reinhardt Metz, and how to achieve a triode sound by Richard Honeycutt. And Ethan Winer describes the input stages for his Guitar-Controlled Synthesizer project.

Reducing Filamentary Triode Amp Distortion

September 1, 2021 by Larry Lisle

Reducing Filamentary Triode Amp Distortion

In this article, the author defends that it’s possible to dramatically reduce the intermodulation distortion in class A filamentary triode tubes by reducing the filament voltage. The theory being that the most important reason for the drop in distortion with the lowering of filament voltage is the reduction of the space charge. This article was originally published in audioXpress, May 2005.

R&D Stories: The Original Western Electric 300B Vacuum Tube Now Shipping Worldwide

June 8, 2021 by Richard Honeycutt

R&D Stories: The Original Western Electric 300B Vacuum Tube Now Shipping Worldwide

Celebrating the reintroduction of the famous Western Electric 300B triode, now out of Rossville, GA, in this article, Richard Honeycutt asked key questions to entrepreneur Charles Whitener, the main force behind the revived Western Electric venture, which is also investing in new tube audio amplifiers and tube related electronics. Since a visit to the facilities wasn't yet possible but production had resumed, audioXpress provided an inside look at Western Electric and its reestablished operations. This article was originally published in audioXpress, May 2021.

audioXpress May 2021 Celebrates Its Glass Audio and Audio Electronics Roots

April 12, 2021 by audioXpress Staff

audioXpress May 2021 Celebrates Its Glass Audio and Audio Electronics Roots

Our May 2021 Glass Audio Special edition is certain to inform and inspire you. We reveal what is happening at Western Electric's new Rossville Works in Georgia, where production of 300B tubes is ongoing, we explain how to draw tube load lines, and we offer a valuable preamplifier design that enables you to compare the sound of tube and solid-state circuits from the same audio source. There's also a versatile stereo tube amplifier design to build, and plenty more audio electronics theory and practice in this edition. Now available online and in print.

March 8, 2021 by audioXpress Staff

Tube Amp Doctor Launches Brand New TAD 6L6GCM-STR REDBASE Premium Selected Tubes

A brand new series of tubes was launched and the first model is now ready to ship worldwide! The new 6L6GCM-STR is the first model from a new high quality premium tube series named REBASE, from Tube Amp Doctor (TAD). As the German company explains, the 6L6GCM-STR REDBASE is an entirely new TAD development, recommended for lively clean sounds as well as powerful broadband multi-channel amps, an ideal upgrade for any guitar or high-end amplifier that uses 6L6GC or 5881 tubes.

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