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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


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 »


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


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 »


Ultrasonic Record Cleaners from HumminGuru


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 »


LAST Factory Stylus and Record Care Products


Among the more popular topics receiving vigorous traction on social media and public forums are discussions about the derisive and conflicting beliefs and approaches on how to clean and maintain our record collections. For those of us old-school audiophiles, aging stalwarts who have NEVER not known the benefits and caveats of vinyl playback, such processes... Read More »


Record Doctor VI


If any audio product should be standard issue, the lowly record cleaner certainly qualifies for that status. If you play records, they need cleaning. If you buy new or used records, they need cleaning. Yes even new ones need a once over with a good old record cleaner. Of course I have talked to people... Read More »


Tru-Sweep Anti-Static Dust Cleaner/Sweeper


We audiophiles love to argue! There's no shortage of passionate "experts" espousing opinions regarding all things playback. These spirited debates definitely keep our hobby fun and interesting. Digital vs analog, cable believers vs non-believers, gear heads vs music heads, brand loyalists, etc. Just post about your favorite cables on social media and stand back! In... Read More »


Audio Desk Systeme Premium Ultrasonic Vinyl Cleaner PRO


You know, every once in a while, one of those "disruptive" products that come to the market that make you think "Why didn't I think of that", or "I thought of that!"... enter one of the original ultrasonic record cleaners. Since the release of the original Audio Desk system several years ago, there have been... Read More »


KLaudio CD-CLN-LP 200 Vinyl Record Ultrasonic Cleaner V.4 and Silencer


KLaudio has introduced several significant functional and cosmetic improvements to their highly acclaimed ultrasonic record cleaning machine since my original report back in the September/October 2013 issue of Positive Feedback. Included among the many changes are: The top loading record cleaning slot and the fill port for pouring the distilled water into the tank are... Read More »


Audio Intelligent Vinyl Solutions' Premium One-Step Formula No. 6


"No man ever steps in the same river twice, for it's not the same river and he's not the same man." – Heraclitus That's how I feel about most things in life; I appreciate the subtle differences and I don't like to experience the exact same things over and over. While I certainly have my... Read More »


Ever Wish Your LPs Were Ultrasonic Clean? Record Genie to the Rescue


Positive Feedback readers with an analog attitude will likely have taken special note of Myles B. Astor's extensive evaluations of both the Audio Desk Systeme and the Klaudio ultrasonic record cleaning machines. While the two machines have significant differences in how the ultrasonic technology is utilized, they share both the basic "toaster" form factor, and—how'd you guess?—the same price. $4000. ... Read More »


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