All items tagged with moving coil (38)

New Look and Custom Shop Unveiled by Official Grado Store 4OurEars.com

November 6, 2020 by audioXpress Staff

New Look and Custom Shop Unveiled by Official Grado Store 4OurEars.com

4OurEars.com, an authorized seller of Grado products based in Staten Island, New York, launched a new look online store following a surge in demand for key Grado headphones and turntable cartridges in 2020. Following the launch of the brand's first true wireless headphone GT220 in October 2020, and The Hemp Headphone, back in June, this new official Grado online store will make products more easily available to everyone during challenging times.

Audio-Technica Introduces AT-PEQ30 High-Performance Phono Stage

October 21, 2020 by audioXpress Staff

Audio-Technica Introduces AT-PEQ30 High-Performance Phono Stage

A renowned manufacturer of phono cartridges and tonearms since the company's foundation in Japan, Audio-Technica announced the introduction of its AT-PEQ30 phono equalizer, designed to add a phono stage to a turntable setup or to serve as an upgrade from a turntable's built-in phono preamp. The AT-PEQ30 accommodates MM (moving magnet) and MC (moving coil) phono cartridges and according to the company, its circuits were designed for "superlative sound quality."

Discover the York High Fidelity Phono Preamp by Six Acoustic on Kickstarter

April 13, 2020 by audioXpress Staff

Discover the York High Fidelity Phono Preamp by Six Acoustic on Kickstarter

It must be tough to have a product ready, a Kickstarter campaign planned, and then being faced with a global shutdown. That is what happened with Canadian company, Six Acoustic, who recently launched the York, an "ultra" high fidelity phono preamplifier targeting new generations of vinyl enthusiasts looking for an extra level of audio performance that doesn't cost a fortune. And what is “ultra” high fidelity you might ask? According to Steve Meszlenyi, the company founder, it's a level of transparency where noise and distortion are “undetectable to the human ear and nearly impossible to measure with the most sophisticated instrumentation.”

Back EMF Phase Relationships in Moving-Coil Loudspeakers - Part 4

January 23, 2020 by Andy Lewis

Back EMF Phase Relationships in Moving-Coil Loudspeakers - Part 4

In this final article of the four-part series, Andy Lewis expands upon the Back EMF concepts hinted at in the previous three articles in this series. This article explores the Electrical and Newtonian filters and their intersections, observations on reactive parallel filters as pertains to Back EMF and energy losses. The theories can be applied to virtually all areas of loudspeaker design. This article was originally published in audioXpress, November 2018.

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Back EMF Phase Relationships in Moving-Coil Loudspeakers - Part 3

January 15, 2020 by Andy Lewis

Back EMF Phase Relationships in Moving-Coil Loudspeakers - Part 3

In the third article of the four-part series, Andy Lewis continues his fascinating exploration of Back EMF Phase Relationships in Moving-Coil Loudspeakers. The author discusses what causes Back EMF to simulate inductor, capacitor, or resistor (LCR) components, and explores the concept of slip, in order to explain how and why it causes the impedance to be inductive, resistive, or capacitive, depending on frequency. This article was originally published in audioXpress, July 2018

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Back EMF Phase Relationships in Moving-Coil Loudspeakers - Part 2

January 8, 2020 by Andy Lewis

Back EMF Phase Relationships in Moving-Coil Loudspeakers - Part 2

In this article series, Andy Lewis explores the generation of Back EMF in the region of a loudspeaker’s resonance. In this second article of the four-part series, he performs simple “thought experiments” to make qualitative observations about the activity of a moving-coil driver in the region of its resonance. This article was originally published in audioXpress, June 2018

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Back EMF Phase Relationships in Moving-Coil Loudspeakers - Part 1

December 26, 2019 by Andy Lewis

Back EMF Phase Relationships in Moving-Coil Loudspeakers - Part 1

In this article, Andy Lewis explores the generation of Back EMF in the region of a loudspeaker’s resonance. He also demonstrates a method for calculating the position of the moving assembly (or “cone”) relative to input signal, using complex impedance measurements. This article - part of a four part series - was originally published in audioXpress, May 2018

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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.

Chord Electronics Introduces Advanced Microprocessor-Controlled Phono Preamp

May 22, 2019 by audioXpress Staff

Chord Electronics Introduces Advanced Microprocessor-Controlled Phono Preamp

As part of its ongoing 30th-anniversary celebrations in 2019, Chord Electronics has unveiled Huei, an all-new phono preamp that distills three decades of amplifier development and audio engineering expertise into a high-performance yet space-saving chassis. Entirely conceived, engineered and manufactured in Great Britain, the new microprocessor-controlled Chord Huei has been carefully designed to provide turntables with the same high standards of amplification the company has become known for over the past 30 years.

Parasound Launches Zphono XRM for Improved Vinyl Experiences

December 21, 2018 by audioXpress Staff

Parasound Launches Zphono XRM for Improved Vinyl Experiences

For those still in the market for a decent phono preamplifier, Parasound just announced a new model that's a big step up from its entry-level Zphono. The new Parasound Zphono XRM phono preamplifier offers higher performance, dual-input MM and MC, with XLR balanced outputs, adjustable MC loading, rumble filter, and mono/stereo switch. Price wise, Parasound's new $599 Zphono XRM phono preamplifier bridges the gap between its entry-level $200 Zphono and the internationally acclaimed $1,495 Halo JC 3 Jr.

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