Will Wright, Author at Positive Feedback

Bella Sound Hana Power Conditioner

Will Wright — Fri, 28 Jun 2024 19:42:45 +0000

Fifteen or more years ago I purchased a John Curl/Jack Bybee Signature Pro power conditioner, and still use it to this day. The Signature Pro used two power cords, each one connected to a bank of four outlets, one bank labeled Digital and the other Analog. Each bank utilized three Bybee Quantum Purifiers. You may... Read More »

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Bella Sound Kahili Amplifier

Will Wright — Wed, 13 Mar 2024 18:34:51 +0000

Bella Sound is the brain child of Michael Vice. Educated at UC Berkeley and Stanford in Physics and Electrical Engineering, Mike has poured his decades of experience and over 40 patents into his unique designs. Bella Sound's products include amplifiers, a power conditioner, and power cords, all based on Mike's conceptually novel approach, and married... Read More »

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Simaudio Moon 740P Preamplifier and Moon 820S External Power Supply

Will Wright — Mon, 14 Mar 2022 19:44:37 +0000

The Simaudio Moon 740P preamplifier has been reviewed many times since its introduction circa 2012, most recently for Positive Feedback by Sam Rosen (HERE). I read many of these reviews, but not until after I had done my own evaluation. I am evaluating the 740P in conjunction with its companion piece the 820S External Power... Read More »

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PS Audio Stellar PowerPlant 3

Will Wright — Fri, 27 Aug 2021 17:04:30 +0000

There was hum in my system! It was the dreaded 60 cycle hum. So was it caused by a faulty power supply, or a power transformer too close to a high gain amplifier? No, more likely the progenitor of this problem was electromagnetic coupling somewhere in the cabling. Experimentation narrowed my search for the source... Read More »

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Clarus Duet Power Conditioner

Will Wright — Mon, 21 Dec 2020 21:53:07 +0000

Power is king. Throughout my years in audio this one thing has become clear. Power supply quality shapes the sound of a component. In order to achieve that quality, a power supply must be fed well, hence the plethora of aftermarket power cables and conditioners. The subject of this review, the Clarus Duet purports to... Read More »

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Moon 680D Streaming DAC by Simaudio

Will Wright — Fri, 22 May 2020 17:49:58 +0000

Simaudio recently introduced a new streaming digital to analog converter to their Moon product line. The $9000 680D streaming DAC slots in somewhere between the $15000 780D v2, and the $3000 280D. As with many, if not most of the products in the Moon series, the 680D has the same width and depth (18.75 x... Read More »

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Audience Hidden Treasure Outlets

Will Wright — Sun, 29 Mar 2020 18:28:48 +0000

In a high performance / high resolution audio system everything matters. Every link in the chain needs to be optimized to the greatest extent possible, including cabling and connections. Good power and signal connections require quality connectors. n my experience, connector quality is a significant contributor to good cable performance. Connection points can be sources... Read More »

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Simaudio Moon 110LP v2 Phono Stage

Will Wright — Sat, 14 Dec 2019 22:05:08 +0000

We've all seen the comeback that vinyl has been making over the last few years. Back when vinyl was dead, I built up my record collection to its present twenty five hundred LPs and one thousand 78s size by asking people if they had any records they no longer wanted. Everyone I asked handed over... Read More »

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Simaudio Moon 390 Network Player and Preamplifier

Will Wright — Wed, 21 Aug 2019 17:23:08 +0000

We're Gonna Spread Our Wings And Take To The Sky For some time now I've been attempting to implement, to my satisfaction, a home built music server/home theater PC. Being an audiophile, I set the bar higher for sound than picture. But until just recently my attempts have not produced sound quality competitive with my... Read More »

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Mad Scientist Audio's Graphene Products

Will Wright — Tue, 23 Jan 2018 19:31:32 +0000

The wind is in from Africa and last night I couldn't sleep. I laid there instead contemplating the review of the Mad Scientist Audio Flexible Carbon Fiber/Graphene balanced interconnects I was preparing. For those not familiar with Mad Scientist Audio, they came on the scene circa 2013, based out of New Zealand and run by... Read More »

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Cables from Audiomica Laboratory

Will Wright — Mon, 11 Sep 2017 16:38:18 +0000

The end is nigh. I've read the news and it sure looks bad. Hurricanes, forest fires, eclipses! Oh my! Oppression, discrimination, bigotry! Oh no! Chaos and bedlam are consuming the entire world. UV light waves are only the beginning. We have an inch of topsoil left. And what about the irreversibly progressive depletion of the... Read More »

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JE Audio IS250 Integrated Amplifier

Will Wright — Wed, 29 Mar 2017 01:12:03 +0000

If you have the slightest interest in all things audiophile—and given that you're reading this, it's a good bet you do, you will have noticed the steady influx of Chinese made audiophile products to our shores in recent years. One such company is JE Audio, and the JE Audio IS250 Integrated Amplifier is the subject... Read More »

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