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About Stuart Yaniger

Stuart Yaniger has been designing and building audio equipment for nearly half a century, and currently runs a technology consulting agency in western New York. His professional research interests have spanned theoretical physics, electronics, chemistry, spectroscopy, aerospace, biology, and sensory science. One day, he will figure out what he would like to be when he grows up.

All items written by Stuart Yaniger

Fresh From the Bench: NAD Electronics M33 Masters BluOS Streaming DAC Amplifier

July 28, 2021 by Stuart Yaniger

Fresh From the Bench: NAD Electronics M33 Masters BluOS Streaming DAC Amplifier

After reviewing the compact but mighty M10 Masters Series streaming amplifier from NAD Electronics, Stuart Yaniger simply had to try the new flagship NAD M33 Masters streaming DAC amplifier. This was the first mainstream product to implement the Purifi Audio Eigentakt (self-clocking) amplifier modules, but there is a whole lot more to make it a very complete package for a musical life. The article, published in audioXpress, July 2021, reviews the experience and performance measurements.

Fresh From the Bench: Earthworks M23R Measurement Microphone

November 19, 2020 by Stuart Yaniger

Fresh From the Bench: Earthworks M23R Measurement Microphone

In this review, Stuart Yaniger details his findings about the M23R Earthworks measurement microphone. The M23R is the latest omnidirectional model in Earthworks’ infinitely matched series of measurement microphones. It is designed to be an affordable reference solution, delivering an IEC 61672 Class 1 frequency response before applying any equalization. This article was originally published in audioXpress, November 2020.

Fresh From the Bench: A Tale of Two Class-D Amplifiers Orchard Audio Starkrimson and Purifi Audio Eigentakt EVAL1

September 23, 2020 by Stuart Yaniger

Fresh From the Bench: A Tale of Two Class-D Amplifiers Orchard Audio Starkrimson and Purifi Audio Eigentakt EVAL1

Stuart Yaniger examines new amplifier solutions from two disrupting audio companies. Purifi Audio from Denmark, founded by Bruno Putzeys, Lars Risbo, and Peter Lyngdorf, together with a remarkable engineering team; and Orchard Audio, with a product developed from the creativity and entrepreneurship of Leonid (Leo) Ayzenshtat, in this case exploring the latest gallium nitride (GaN) semiconductor technology. This article was originally published in audioXpress, July 2020.

Fresh From the Bench: NAD M10 Masters Series Streaming Amplifier

August 27, 2020 by Stuart Yaniger

Fresh From the Bench: NAD M10 Masters Series Streaming Amplifier

In this article, Stuart Yaniger reviews the M10 Masters Series Streaming Amplifier from NAD Electronics, a compact but powerful Class-D home audio amplifier and network streamer that surprises positively for multiple reasons. One of those is the integration of the latest Dirac Live room correction technology with Bass Control, which is also covered in detail in this review. The other is the number of versatile features that make it the only item needed for a modern music system, other than speakers. This article was originally published in audioXpress, August 2020.

Fresh From the Bench: The Linear Audio Autoranger Mk II Measurement Interface

April 15, 2020 by Stuart Yaniger

Fresh From the Bench: The Linear Audio Autoranger Mk II Measurement Interface

Stuart Yaniger explores new possibilities in audio measurement systems, expanding on the basics of using sound cards combined with new accessible-to-all software tools, such as REW, and a recently improved measurement interface option. That option is the Linear Audio Autoranger Mk II Interface, which audioXpress’ Technical Editor Jan Didden designed a few years ago and which is now available as an improved Mk II version. This article was originally published in audioxpress, April 2020.

Fresh From the Bench: Vanatoo Transparent One Encore Powered Speakers

April 8, 2020 by Stuart Yaniger

Fresh From the Bench: Vanatoo Transparent One Encore Powered Speakers

Stuart Yaniger reviews the Vanatoo Transparent One Encore speakers, the company’s second successful design since the Vanatoo’s Transparent Zero, which our author discovered and reviewed a few years ago. The new Transparent One Encore speakers clearly benefited from this Transparent Zero development effort to create a much improved model, retailing for just $599 per pair. This article was originally published in audioXpress, February 2020.

Fresh From the Bench: Audio Precision APx555 B Series Audio Analyzer

January 29, 2020 by Stuart Yaniger

Fresh From the Bench: Audio Precision APx555 B Series Audio Analyzer

Stuart Yaniger offers his review of the latest Audio Precision APx555 B Series audio analyzer, and the corresponding new updated V5 software for the APx series. The APx B series now features a new High Performance Sine Generator and a High Performance Sine Analyzer, which Audio Precision claims reduces THD+N to better than -120 dB, with a 1 MHz bandwidth and Fast Fourier Transforms (FFTs) of up to 1.2 million points. This article was published in audioXpress, December 2019.

Fresh From the Bench: The DPA d:vice MMA-A Mobile Recording Interface

November 27, 2019 by Stuart Yaniger

Fresh From the Bench: The DPA d:vice MMA-A Mobile Recording Interface

Stuart Yaniger reviews the DPA d:vice MMA-A Digital Audio Interface, a two-channel microphone preamp and A/D converter that allows the use of the renowned DPA microphones with any iOS device, a Mac or a PC. Apart from being an audio measurement expert, Yaniger is also an enthusiastic music recordist and this device not only fit in his pocket but he also found it to be "a slick piece of engineering and industrial design." Originally published in audioXpress, October 2019.

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Fresh From The Bench: Examining the miniDSP EARS Headphone Test Fixture

September 18, 2019 by Stuart Yaniger

Fresh From The Bench: Examining the miniDSP EARS Headphone Test Fixture

In the March 2019 edition of audioXpress, focusing on Test and Measurement, Stuart Yaniger explored the new Earphone Audio Response System or EARS, which miniDSP introduced as an affordable test jig for headphone measurements. Basically, this is a plug & play USB audio streaming device, featuring dual low noise calibrated mics with interchangeable silicon ears. But is it really the answer to bring "headphone measurements to the masses," as the manufacturer intended?

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Fresh From the Bench: Kali Audio LP-6 Powered Studio Monitors

August 14, 2019 by Stuart Yaniger

Fresh From the Bench: Kali Audio LP-6 Powered Studio Monitors

The Kali Audio LP-6 Powered Studio Monitors are speakers with a plain, business-like appearance, that we would easily be misled to think are just another run-of-the-mill home studio affordable offering. If it wasn't for the fact that Kali Audio is a new California-based company formed by a group of (now former) JBL employees. The Kali LP-6s are serious contenders in the studio space, and can be also formidable affordable options on any other environment. This article was originally published in audioXpress, August 2019.

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