accessories Archives - Positive Feedback

Node Audio SS-1 Component Support

Marshall Nack — Tue, 05 Aug 2025 18:31:44 +0000

While browsing the photo gallery on the Node Audio website, I came across a group shot of five finely crafted, elegantly designed objects. They appeared to be variations on a theme, but what was the theme—what were they used for? Sometimes you come upon objects that grab hold of your attention, yet their purpose remains... Read More »

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A Clean Sweep? A Look at the iSonic P4875 II MVR5 and MVR 10 Ultrasonic Record Cleaners and their PSR01A Isonic Pump Station

Juan C. Ayllon — Fri, 01 Aug 2025 17:17:33 +0000

It seems a lifetime ago. For my side hustle as a mobile DJ, I honed my beat-matching and mixing skills with a pair of Technics 1200 turntables at home to apply on the road with a Pioneer CMX-3000 Dual DJ CD player, but after I married Belle in 2011, I sold my gear, reinvested the... Read More »

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Waters on the Hardware: The Gingko Audio Cloud System and Arch Loudspeaker Isolation Device

Dean Waters — Thu, 24 Jul 2025 00:40:13 +0000

The Maestro himself! (Portrait and image processing by David W. Robinson) My LP life When writing audio reviews, reviewers are often called on to describe things we readily hear that aren't always easily quantifiable. We use adjectives like 'open,' 'free,' 'effortless,' 'relaxed,' etc. The list goes on and on. Every once in a while, we... Read More »

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Follow-up: Vera-Fi Audio's Line Noise Black Hole and Snub Station Zero, with the Infinity Fuse, in My Digital Source System

Tom Gibbs — Mon, 14 Jul 2025 18:46:06 +0000

When Mark Schifter hooked me up with the first two devices from Vera-Fi Audio's new trio of power conditioning equipment, I simply wasn't prepared for the dramatic differences they made to my all-analog system. That system uses single-ended RCA connections throughout, and it had a couple of problem noise areas I couldn't seem to eliminate,... Read More »

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Coherence Systems Sorcer Apprentice and Vivid

Will Wright — Fri, 14 Mar 2025 16:42:08 +0000

I was passionate about music in my youth. I lived for Rock & Roll. I had a good voice and, like many young men in that era, I started learning guitar and piano. When it was time for me to head off to college I had some choices to make. Earn my living on music... Read More »

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The S-DUO Pro Ultrasonic Stylus Cleaner + Gauge and I-Brush from HumminGuru

Bruce Kinch — Fri, 24 Jan 2025 21:56:35 +0000

I recently became aware of HumminGuru, a Hong Kong based company with a quite forward-looking perspective on the viability of vinyl. While reviewing their affordable and very effective ultrasonic record cleaning machines (HERE), I also discovered a couple of accessories that break new ground for LP spinners. As with their record cleaners, HumminGuru's only outlet... Read More »

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The GIK Acoustics Q7D Diffuser

John Zurek — Wed, 18 Dec 2024 23:49:12 +0000

Over the years I've worked on refining the sound in my listening room by both upgrading/changing components and adding room treatments. Not sure why, but the whole room treatment project always seemed like a separate component of the system. Corner treatments, absorptive panels, diffusers, and Argent Room Lenses, in addition to the occasional component and... Read More »

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Ultrasonic Record Cleaners from HumminGuru

Bruce Kinch — Thu, 17 Oct 2024 20:56:37 +0000

HumminGuru? Just another Tik-Tok #influencer, you'd think? No, it turns out HumminGuru is a Hong Kong-based firm focused on accessories for vinyl enthusiasts, from LP inner sleeves to ultrasonic record cleaning machines. Two actually, both functionally similar to the high-end audiophile approved $4-6K machines, but currently going for as little as $379 and $699. Not... Read More »

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Getting Top Performance From Your Digital Media: Shine Ola Optical Disc Cleaner, the Acoustic Revive RIO-5II Negative Ion Generator, and the Acoustic Revive RD-3 Disc Demagnetizer

Editors at Positive Feedback — Sun, 01 Sep 2024 15:14:54 +0000

This article by Jeff Day originally ran in Positive Feedback ISSUE 45 September/October 2009, so while we call this section "New Old Stock - Articles from Our Days in Print" you are also going to see some articles from our early days of going online. It's common knowledge that cleaning vinyl records makes a big... Read More »

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Follow-up: Main Stream from Vera-Fi Audio, Now in the Digital Source System

Tom Gibbs — Fri, 02 Aug 2024 15:05:04 +0000

When my review for Vera-Fi Audio's Main Stream™ went live a few weeks ago, Vera-Fi mainman Mark Schifter was only able to supply me with a single device for evaluation. Which according to Mark was at that point the only alpha unit presently in the field! I was really keen to first check out its... Read More »

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Main Stream Master Class Dynamic Parallel AC Line Conditioner from Vera-Fi Audio

Tom Gibbs — Mon, 15 Jul 2024 20:13:00 +0000

Early this year, Vera-Fi Audio main-man Mark Schifter messaged me to gauge my interest in a new product line he was then representing from Thai manufacturer Puron. I'd told Mark that even though I had a pair of AudioQuest Niagara Low Z, AC power conditioning units in place at the new home in South Carolina,... Read More »

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The Acoustic Revive Chronicles, Chapter 15: RTS-30 Turntable Mat, RHS-1 Headshell, RHR-21 Helmholtz Resonator, CS-3K Outlet Stabilizer, RCI-3HK Cable Lifts, and RGC-24K Ground Conditioner!

Jeff Day — Wed, 10 Jul 2024 18:31:57 +0000

Greetings friends, and welcome to Chapter 15 of the Acoustic Revive Chronicles! You can see a list of the previous chapters of the Acoustic Revive Chronicles in the archives HERE. In Chapter 15 of the Acoustic Revive Chronicles I'll be telling you about the new RTS-30 turntable mat, RHS-1 headshell, RHR-21 Helmholtz resonator, and the... Read More »

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Follow-up: Vera-Fi Audio's Swiss Digital Fuse Box, Now with the Graphene Sluggo

Tom Gibbs — Fri, 07 Jun 2024 16:28:10 +0000

As I stated in my original review, the primary function of Vera-Fi Audio's Swiss Digital Fuse Box (SDFB) is to remove and replace the weakest link that existed in the device it's connected to. Which in my case was the main AC line fuse in my PrimaLuna EVO 300 tube integrated amplifier's power supply. Other... Read More »

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Vera-Fi Audio's Swiss Digital Fuse Box: Providing a Path to Unrestrained System Performance

Tom Gibbs — Thu, 23 May 2024 23:34:54 +0000

Over my life as an audiophile, I've had three individual instances where I was absolutely certain beyond doubt that the consequences of my actions would in no time send me rocketing down the highway to high-end audio hell. The first came over a decade ago when I followed the advice I'd gotten from another audio... Read More »

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Akiko Audio Speaker Improver

Malcolm J. Gomes — Fri, 17 May 2024 16:04:14 +0000

Audiophile tweaks; you can either love them or hate them, but if you are a passionate audiophile, they are difficult to ignore. Sure, they can be controversial, and in a few cases, they can even be outright frauds with claims that border on the ludicrous. However, in my experience, if you look long and hard... Read More »

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IsoAcoustics GAIA III Speaker Isolators

John Zurek — Fri, 03 May 2024 17:52:03 +0000

A while back I found myself the new custodian of some excellent prototype speakers. I'd heard the Communique floorstander at several Colorado Audio Society listening sessions and really enjoyed this speaker. Built by MG Audio Design, which was mainly a cable company at the time, (Positive Feedback's own Pete Davey reviewed their Planus speaker and... Read More »

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With the New Record Doctor X, Your Vinyl Cleans Up Nicely!

Juan C. Ayllon — Sat, 20 Apr 2024 17:42:31 +0000

As widely noted, for the second year in a row in 2023, vinyl record sales topped compact disc sales in the U.S.—this time by a whopping $43 million, or about six million more than total CD sales last year (popsci.com). This point recently hit home personally when my wife, Belle, said that her hipster boss... Read More »

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Vera-Fi Audio's SnubWay Noise Defender: Taking Your Audio and Video to the Next Level

Tom Gibbs — Thu, 18 Apr 2024 16:20:24 +0000

I'm constantly on social media, quite often for audio-related purposes. And I'd seen teasers for months highlighting the ongoing development of Vera-Fi Audio's SnubWay Noise Defender, or more simply, SnubWay. The posts seemed to mostly focus on different variations of the case design, with only snippets of information regarding the actual function of SnubWay. With... Read More »

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Gingko Audio's Cloud22 Isolation Products

Francisco Duran — Wed, 17 Apr 2024 17:20:19 +0000

As many years as I have been in this hobby, within the last few I have become more and more intolerant of the exaggerated claims of expensive tweaks by some manufacturers. You can throw wire and cable into this debate, but that is a subject for another day. If one is trying to eke out... Read More »

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Puron Resolve RFI Eliminators

Tom Gibbs — Tue, 02 Apr 2024 23:21:02 +0000

In my recent review of the Puron AC Power Conditioners, I was struck by the abundance of amazing and relatively inexpensive enhancements available to substantially improve the performance of your audio and video systems. Those include devices and accessories of every make and manner that, based on their outward appearance, would seem incapable of... Read More »

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CleanerVinyl Ultrasonic Record Cleaner

John Hoffman — Fri, 01 Mar 2024 17:53:47 +0000

Playing vinyl is some of the most fun you can have in this hobby. Sliding a record out of its sleeve and setting it on the platter, throwing a switch and watching a turntable to come up to speed, cueing down a tonearm and hearing that satisfying sound of when the stylus contacts the record.... Read More »

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The Swiss Digital Fuse Box and the Weakest Link

Bruce Kinch — Sun, 25 Feb 2024 00:46:02 +0000

A Swiss Digital Fuse Box (SDFB for short) is a $395 device that replaces the generic $2 power fuse in high performance audio gear. Yes, you read that right. It is also potentially the most disruptive audiophile add-on since…what?…the subwoofer?… the power conditioner? Sorry, but your THC gummies don't qualify. So let us first consider... Read More »

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Vera-Fi Audio VBH-1 Vibration Black Hole Isolation Feet

Tom Gibbs — Mon, 12 Feb 2024 00:48:40 +0000

Since my move to South Carolina, I've been in the process of slowly refining and (hopefully!) finalizing my seemingly ever-evolving audio systems. With regard to the analog system, the recent addition of the PS Audio Stellar phono preamp has gotten me very close to the end-game for the room. The Stellar has inputs to service... Read More »

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Puron AC Power Conditioners, Now with Worldwide Distribution by HiFi House UK

Tom Gibbs — Sat, 03 Feb 2024 16:54:14 +0000

There are two recent observations I've made in high-end audio: 1) There are plenty of relatively inexpensive devices that can add significantly to your enjoyment of music and video playback, even if those devices might appear to be incapable of making a difference. Also, 2) The number of "audio enthusiasts" who dismiss the perceived benefits... Read More »

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Network Acoustics' muon pro Streaming System

Dave Clark — Wed, 27 Dec 2023 17:50:11 +0000

Network Acoustics is probably best known for their ENO Ethernet Filter (HERE), but they also offer a line of Ethernet and digital cables as well as an assortment of other products to make your network streaming all that much better. And as you will see, a whole lot better. Case in point, their statement muon... Read More »

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