All items tagged with tube preamplifier (33)

New Projects, Reviews, and Glass Audio Special Articles Available with audioXpress May 2020

April 9, 2020 by audioXpress Staff

New Projects, Reviews, and Glass Audio Special Articles Available with audioXpress May 2020

audioXpress May 2020 Glass Audio/Tube Focus edition is now available. Highlighted on the cover is a review of the RødeTest FuzzMeasure Audio and Acoustic Measurement Software and Ethan Winer's experiments to measure capacitor distortion. For tube enthusiasts, Bill Reeve repurposes an old Shure preamp for line-level duty, and Bruce Heran details how he built his two Mini Blocks tube amplifiers. Mike Rothacher shares an inexpensive MOSFET Follower (MoFo) Class A amplifier project, Richard Honeycutt provides valuable lessons about repairing guitar amplifiers, and there's plenty more audio electronics focused articles. Download now!

Audio Research Announces Special Edition Reference Phono Stage Preamplifier

March 9, 2020 by audioXpress Staff

Audio Research Announces Special Edition Reference Phono Stage Preamplifier

Audio Research (ARC) announce important updates to its highest-performance tube phono stage, the Reference Phono 3 Phono Preamplifier with the launch of the Reference Phono 3SE. Following the launch of the recent Reference (REF) 6SE Line-Stage Preamplifier, ARC’s 50th Anniversary product line continues with a special edition update of the Ref Phono 3 Preamplifier. The REF Phono 3SE ($17,000 USD) replaces the REF Phono 3, introduced in 2016.

Borbely RIAA Preamp With Tubes - A Project Remembered and Revisited

November 13, 2019 by Joe Tritschler

Borbely RIAA Preamp With Tubes - A Project Remembered and Revisited

This approach to RIAA equalization results in a high-quality phono preamp featuring the high-transconductance 5842 tubes. The author adapts Erno Borbely's project of a transistorized phono preamp with a vacuum tube implementation. These articles were originally published in audioXpress, October 2003 and January 2010. For this repost, we decided to merge the two articles in one single page.

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.

Audio Research Launches New Special Edition CD6 and Reference CD9 Transport/DAC

April 12, 2019 by audioXpress Staff

Audio Research Launches New Special Edition CD6 and Reference CD9 Transport/DAC

Audio Research announced the new CD6SE and Reference CD9SE Compact Disc players featuring redesigned faceplates, with matching buttons, illumination, and black plexiglass display that closely match ARC’s Foundation and Reference-series components. Both SE units boast the latest V3.0 USB audio card, providing compatibility with macOS, Windows 10, and any Linux-based system that supports ALSA devices. This feature allows full streaming capability from products like Aurender, or Roon’s Nucleus.

audioXpress May 2019 Glass Audio Special is Now Available!

April 9, 2019 by audioXpress Staff

audioXpress May 2019 Glass Audio Special is Now Available!

For audioXpress May 2019 -Glass Audio Special - we’ve put together a very strong edition, with some of best tube experts sharing a series of DIY projects for all skill levels, from restoration projects to new amplifiers, preamps, and headphone amps. We review the Nu:Tekt HA-K1 headphone amplifier using the novel Korg Nutube 6P1 device, and interview the founder of Parks Audio. We go deep on measuring voltage regulator ripple rejection and we even look at square-wave testing. All inside audioXpress May 2019!

LaChapell Audio Celebrates 20 Years with New 983 Tube Preamps

March 20, 2019 by audioXpress Staff

LaChapell Audio Celebrates 20 Years with New 983 Tube Preamps

To celebrate its 20th anniversary, LaChapell Audio is offering a limited time promotion of its new 983M single channel and 983S MK2 two channel tube preamps. The LaChapell Audio 983M is a half rack sized single channel tube preamp that is perfect for small studios, podcasting, voice overs, and session musicians. Along with the 983S MK2, the 983M is the first preamp to feature True48, a phantom power supply that provides a consistent 48V for phantom powered mics.

New Hybrid Audio Amplifier from Dayton Audio Blends Tube Tone with Class D Power and Bluetooth

January 15, 2019 by audioXpress Staff

New Hybrid Audio Amplifier from Dayton Audio Blends Tube Tone with Class D Power and Bluetooth

Dayton Audio unveiled a new compact design that combines the efficiency and power of solid state class D amplifier topology with the warmth and character of a vacuum tube preamp section. The new Dayton Audio HTA20BT hybrid stereo tube amplifier combines a 12W per channel RMS design (into a 4 ohm load) with Bluetooth 4.2, Aux, and USB inputs, featuring a subwoofer output for adding an active subwoofer and a high quality headphone amplifier built-in. The results, the brand says, are sure to please even the most refined ears.

Audient Introduces Sono Amp Modeling Recording Interface with Tube Preamp Stage

January 11, 2019 by audioXpress Staff

Audient Introduces Sono Amp Modeling Recording Interface with Tube Preamp Stage

Audient has teamed up with leading cab simulation pioneers, twonotes audio engineering to present Sono, an audio interface with a tube guitar preamp stage for guitarists and musicians, featuring powerful modeling capabilities. The combination provides countless tonal options for guitarists, whether they're recording, practicing or playing live. The integrated DSP runs the modeling without latency, with external software only used to configure the multiple simulations.

Popular Preamp Tubes

April 11, 2018 by Richard Honeycutt

Popular Preamp Tubes

Where do tubes come from? In this article Richard Honeycutt revisits the history of tube electronics, from its early invention to the widespread adoption in radios and television receivers. And because familiarity simplifies tube selection, the article explains where some of the most common tube types can be applied in todays designs on power amplifiers and pre-amplifiers and tube stages. This article was originally published in audioXpress, April 2013 as part of the Hollow-State Electronics monthly column by Richard Honeycutt.

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