All items tagged with vacuum tubes (61)

McIntosh Introduces Updated MC3500 Mk II Inspired by the Iconic Amplifier Used at Woodstock

November 4, 2021 by audioXpress Staff

McIntosh Introduces Updated MC3500 Mk II Inspired by the Iconic Amplifier Used at Woodstock

McIntosh, the prestigious home entertainment and ultimate-quality audio brand for over 70 years, announced the MC3500 Vacuum Tube Amplifier Mk II, a tribute to the original that inspired a generation of musicians and music fans alike. Originally used to power the sound system for Woodstock '69 amongst other formative music events, the iconic monoblock amp was recreated by McIntosh’s expert team of engineers and designers to include modern upgrades that celebrate the brand’s rich history.

Tube Amp Doctor Announces New EL34-STR REDBASE Premium Selected Tubes

October 11, 2021 by audioXpress Staff

Tube Amp Doctor Announces New EL34-STR REDBASE Premium Selected Tubes

Following on the introduction earlier in 2021 of the 6L6GCM-STR, the first model from an all-new high quality premium tube series named REDBASE from Tube Amp Doctor (TAD), the German company now announced the new TAD EL34-STR REDBASE, which can be used for any EL-34 application in guitar amplifiers and also hifi tube designs instead of 6CA7 and KT77 tubes. All tubes in TAD’s REDBASE family are manufactured on a new exclusive production facility.

Audio Research Signals New Era with All-New Product Series

September 13, 2021 by audioXpress Staff

Audio Research Signals New Era with All-New Product Series

The I/50 Integrated Amplifier is the first product in an all-new series from Audio Research since the company was sold to Trent Suggs by the McIntosh Group. The new product series sends a clear message with a functionally simple and visually engaging design, while staying true to the company's values of sounding musically sublime. This is a product that responds to market demands, and builds upon the company's values, as the company's president and new owner promised.

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.

You Can DIY! Vanderveen Trans-SE10 Secrets

February 10, 2021 by Menno van der Veen

You Can DIY! Vanderveen Trans-SE10 Secrets

In this article, Menno van der Veen explains everything about the Vanderveen Trans-SE10 amplifier, which is available as a DIY kit manufactured by Tentlabs. This letter-sized stereo amplifier is a single-ended design with an output power of 10W per channel, but there's a lot "under the hood" (and the glass) to understand. The article explains the “why and how” of the unusual Vanderveen Trans-SE10 design. This article was originally published in audioXpress, January 2021.

Treat Your Headphones With a McIntosh MHA200 Tube Headphone Amplifier

February 5, 2021 by audioXpress Staff

Treat Your Headphones With a McIntosh MHA200 Tube Headphone Amplifier

McIntosh knows there are a lot of people out there who would like to have a McIntosh tube system, are spending serious money on high end headphones, and could consider a dedicated desktop preamp device that would match their passion - and that's who they designed the MHA200 Vacuum Tube Headphone Amplifier for. A product that is still big enough to proudly show to others, but is actually designed to throw the warmth of tubes when sitting close enough, enjoying long listening sessions.

McIntosh Unveils Most Powerful All-You-Need MA12000 Hybrid Integrated Amplifier

October 14, 2020 by audioXpress Staff

McIntosh Unveils Most Powerful All-You-Need MA12000 Hybrid Integrated Amplifier

70 years since the company's foundation, and McIntosh continues to expand its portfolio of ultimate-quality audio solutions for today's luxury home. The company introduced the MA12000 Hybrid Integrated Amplifier, which is also McIntosh's most powerful integrated amplifier ever, delivering 350 Watts per channel of clean, high performance power that produces a breathtaking home audio experience. This fully loaded, hybrid MA12000 Integrated Amplifier is a product of uncompromising audio engineering and expert craftsmanship.

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