All items tagged with transformers (43)

Zero-Ohm Multispeaker System Technology Distributed by Selective Design for North America

October 15, 2021 by audioXpress Staff

Zero-Ohm Multispeaker System Technology Distributed by Selective Design for North America

Selective Design, the company co-founded by industry veterans Todd Sutherland and Eric Nakkila, announced their partnership with Zero-Ohm Systems in North America. Selective Design’s portfolio already includes Nakymatone, Gray Sound, Waterfall Audio, Architettura Sonora, and HTE. The addition of Zero-Ohm disruptive Multispeaker System technology adds a flexible and reliable solution for large scale residential installation projects.

Automated Processes Inc. Introduces New API Select Range of Products

August 13, 2021 by audioXpress Staff

Automated Processes Inc. Introduces New API Select Range of Products

Targeting project studios and musicians, Automated Processes Inc., unveiled a new line of professional audio equipment, called API Select. Still designed, built and tested at the API factory in Jessup Maryland, the new API Select range is specifically engineered to complement API's classic mix of microphone preamplifiers, equalizers and compressors, and adds some tube-based designs and guitar-pedal form-factors, which are new to the brand.

You Can DIY! Passive Preamp: Transformer Implemented

March 31, 2021 by Jack Elliano

You Can DIY! Passive Preamp: Transformer Implemented

In this article, Jack Elliano the founder and principal designer behind Electra-Print Audio, details a simple but very interesting concept of a line amplifier using step-up transformers plus a variable gain control, offering usable results from low impedance sources. The preamplifier project uses Electra-Print handcrafted transformers, which the company manufactures for its own high-fidelity tube audio components, directly from its home base in Las Vegas, NV. This article was originally published in audioXpress, January 2005.

MSE Audio Releases SolidDrive Surface-Mount Actuators with 70V Transformers for Sound Masking and Background Music

March 3, 2021 by audioXpress Staff

MSE Audio Releases SolidDrive Surface-Mount Actuators with 70V Transformers for Sound Masking and Background Music

MSE Audio announced three new models of SolidDrive surface-mount actuators with transformers. These actuators convert audio signals into vibrations that transfer into solid surfaces through direct contact and work well for sound masking and background music applications. Available in drywall (SD1-T), wood (SD1-sm-T), and glass (SD1G-T) versions, each piece is designed for one channel of audio. All models are now shipping globally.

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.

Power Control Reference Design Enables a Secondary Side Microcontroller to Control Primary Power

January 7, 2021 by audioXpress Staff

Power Control Reference Design Enables a Secondary Side Microcontroller to Control Primary Power

Microchip announced a new reference design using its MCP1012 high voltage auxiliary AC-DC controller, demonstrating the ability to remove the independent bias power supply in many applications. The MCP1012 offline auxiliary device enables the system to transfer control of the power and duty cycle to a secondary MCU. The reference design includes a patented isolation technique called Inde-Flux transformer technology being licensed to Würth Elektronik eiSos.

Pioneer Pro Audio Adds New Surface Mount CM Series Speakers

December 16, 2020 by audioXpress Staff

Pioneer Pro Audio Adds New Surface Mount CM Series Speakers

A new high-quality sound solution, with flexible installation options and perfect for all spaces – even outdoors - was added by Pioneer Pro Audio to its Commercial Monitor (CM) Series. The speaker range expanded to include four new units: a 10-inch CM-510ST subwoofer, and the IP54-rated 4-inch CM-S54T, 6-inch CM-S56T and 8-inch CM-S58T surface-mount loudspeakers, all with carefully designed features and specifications.

Testing, Measuring, and Smart Audio Solutions in audioXpress December 2020

November 11, 2020 by audioXpress Staff

Testing, Measuring, and Smart Audio Solutions in audioXpress December 2020

Ending the year with great content, as we do 12 times per year, audioXpress December 2020 is now available in print and online. In this edition, we pay tribute to Jeff Bagby, explore the QuantAsylum QA401 audio analyzer combined with the new QA451 programmable load, and explain the process of measuring wireless audio products using multi-tone testing. Plus, Brewster LaMacchia expands on A2B designs, Gary Galo details how to improve low-output moving-coil cartridges with his Jensen-based step-up transformer, and Mike Harkins reviews the versatile Puffin Phono DSP by Parks Audio. And much more, now available!

Vanderveen-Trans-SE10 All-Valve Amplifier Kit Now Available!

May 8, 2020 by audioXpress Staff

Vanderveen-Trans-SE10 All-Valve Amplifier Kit Now Available!

High-end audio adepts do not only like music. Many of them also like to construct their own tube amplifier. For those, Menno van der Veen (electronic design) and Guido Tent (mechanical design and realization) created their newest Valve Amplifier kit: the Vanderveen-Trans-SE10. All parts of the case, the components and the transformers are of the highest quality. The DIYer only has to combine all these fine components into a great amplifier.

Purifi Audio Unveils Investigation About Hysteresis Distortion

April 30, 2020 by Jan Didden

Purifi Audio Unveils Investigation About Hysteresis Distortion

Purifi Audio, the Danish company founded by Bruno Putzeys, Lars Risbo, and Peter Lyngdorf together with a remarkable engineering team, promises Class D amplifiers with record-breaking performance (as well as speakers). Now, Bruno Putzeys made available a detailed report of his investigation on hysteresis distortion, which motivated the development of the company's products. As Putzeys describes, hysteresis in the ferromagnetic material of the amplifier output filter coil is what causes "a recognizable grainy texture in the sound."

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