Accessories

AudioQuest JitterBug USB Noise Filter

September 4, 2015
AudioQuest JitterBug USB Noise Filter

John Atkinson has posted a review of the AudioQuest JitterBug USB noise filter ($49) at Stereopile. His conclusions: “You can see from the “Measurements” sidebar that I could find no significant effect that the JitterBug had on the analog signals output by three of the DACs I had to hand. Yet with those DACs...
Read More »

Nordost QRT Power Conditioning Equipment

August 25, 2015
Nordost QRT Power Conditioning Equipment

Fred Crowder has posted a review of the Nordost QRT power conditioning system ($299-$1799) at Dagogo. His conclusions: “Next, I inserted a QX-4 between the wall and my HB PowerSlave Marble. The QK1 and QV2 were totally out of the system at this point. Decay was audibly better, particularly with respect to struck instruments...
Read More »

Amarra For Tidal Playback Software

August 19, 2015
Amarra For Tidal Playback Software

Brian has posted a review of the Amarra For Tidal playback software ($39) at Computer Audiophile. His conclusions: “In short, if you care about quality and you are already a subscriber to Tidal, you most definitely need to download the free trail for a listen. For those of you contemplating taking the plunge into...
Read More »

Highend-AudioPC AudiophileOptimizer Computer Audio Software

August 17, 2015
Highend-AudioPC AudiophileOptimizer Computer Audio Software

Howard Kneller has posted a review of the Highend-AudioPC AudiophileOptimizer computer audio software (€119) at SoundStage! Ultra. His conclusions: “In a world in which $133 buys you just a handful of hi-rez downloads, Highend-AudioPC’s AudiophileOptimizer is a stone-cold bargain — and that would still be the case even if AudioPhil charged a lot more...
Read More »

Schiit Wyrd USB Power Isolator

August 14, 2015
Schiit Wyrd USB Power Isolator

Michael Lavorgna has posted a review of the Schiit Wyrd USB power isolator ($99) at AudioStream. His conclusions: “I find the in/out method particularly telling, enjoyable even, especially when we take our time. In my listening time with the Schiit Wyrd in and out, it clearly, if subtly, offered a more musically engaging experience.”...
Read More »

Bryston BIT-15 Isolation Transformer and Surge Protector

August 14, 2015

Andre Marc has posted a review of the Bryston BIT-15 isolation transformer and surge protector ($2195) at Audio Video Revolution. His conclusions: “The Bryston BIT-15 is an easy recommendation. It is sonically and ergonomically right on target. And, to sweeten the deal, Byrston offers a 20-year warranty on its products. If you are in...
Read More »

Spec Real-Sound Processor RSP-901EX Loudspeaker Filters

August 8, 2015
Spec Real-Sound Processor RSP-901EX Loudspeaker Filters

Wojciech Pacula has posted a review of the Spec Real-Sound Processor RSP-901EX loudspeaker filters (€990/pair) at High Fidelity. His conclusions: “It works in a similar way with accessories like RSP-901EX: we know how they work, what’s the scientific background, and yet hearing them work still comes as a surprise. It’s even more so because...
Read More »

Synergistic Research Atmosphere Series Cables and Grounding Block

July 31, 2015
Synergistic Research Atmosphere Series Cables and Grounding Block

Mike Girardi has posted a review of the Synergistic Research Atmosphere series cables ($3095-$4995) and Grounding Block ($595) at Stereo Times. His conclusions: “The SR Atmosphere signal cables excel in all areas as compared to my previous reference and my previous reference was nominated by multiple members of the ST staff as a Most...
Read More »

Finite Elemente Resonator Reference Tuning Device

July 24, 2015
Finite Elemente Resonator Reference Tuning Device

Marshall Nack has posted a review of the Finite Elemente Resonator Reference Tuning Device ($540) at Positive Feedback. His conclusions: “There’s an entire industry of audio tweaks that promise gains in resolution and focus. Many of the Finite Elemente Resonator effects can be obtained with other products. I’ve tried a lot. The Resonator is...
Read More »

Bybee Room Neutralizers

July 23, 2015
Bybee Room Neutralizers

Russell Lichter has posted a review of the Bybee Room Neutralizers ($1899/set of 8) at Stereo Times. His conclusions: ” The improvement in sound and imaging you’ll get for your money is worth many times that asking price. The cost/benefit ratio when compared with a new transport or amplifier or power cord makes Bybee...
Read More »

KL Audio Record Cleaning Machine

July 13, 2015
KL Audio Record Cleaning Machine

Hi-Fi+ has posted a review of the KL Audio record cleaning machine ($3999) Their conclusions: “The Klaudio KD-CLN-LP200 raises the bar in terms of record cleaner price, but it also raises the bar 1n terms of record cleaning. LPs leave the LP200 in pristine, museum­ grade condition, and you really can hear the difference,...
Read More »

AudioQuest JitterBug

July 11, 2015
AudioQuest JitterBug

Alan Sircom has posted a review of the AudioQuest JitterBug ($49) at Hi-Fi+. His conclusions: “So, precisely what do you get in sound terms for your £40? More realism: vocals seem less pinched and stressed, you are more able to hear the tubes sagging in a wailing guitar amp in full compression, and the...
Read More »

Verictum X Bulk Ground Filter

July 6, 2015
Verictum X Bulk Ground Filter

Wojciech Pacula has posted a review of the Verictum X Bulk ground filter (€1050) at High Fidelity. His conclusions: “These filters do something that is difficult to achieve with basic elements of the system, as to achieve such improvements we would have to pay a few times more for each of them. And yet,...
Read More »

IsoTek EVO3 Sigmas AC Power Conditioner

July 4, 2015
IsoTek EVO3 Sigmas AC Power Conditioner

Jacob Heilbrun has posted a review of the IsoTek EVO3 Sigmas AC power conditioner ($4500) at The Absolute Sound. His conclusions: “Judging by the performance of the Sigmas, IsoTek is producing state-of-the-art power devices. If you’re looking for a conditioner to tackle the vexing issue of electricity quality and to improve the sound of...
Read More »

Sunshine S50 Under-Boards and S4 Bases

June 30, 2015
Sunshine S50 Under-Boards and S4 Bases

Anthony Nicosia has posted a review of the Sunshine S50 Under-Boards ($150) and S4 Bases ($160) at Enjoy the Music. His conclusions: “The nice thing about the Sunshine S50 under-board platforms and S4 bases is they are not complicated to use nor do they require hundreds of hours to determine if they are for...
Read More »

Your Final System (YFS) PS-12m Mac Mini Power Supply

June 16, 2015
Your Final System (YFS) PS-12m Mac Mini Power Supply

John Zurek has posted a review of the Your Final System (YFS) PS-12m Mac Mini power supply ($1895) at Positive Feedback. His conclusions: ” I’m a guy who always, always looks for value. Several friends that I’ve mentioned the YFS mod to thought that the prices for the PS-12m Linear PS and the Internal...
Read More »

Synergistic Research Atmosphere and ATM

June 16, 2015
Synergistic Research Atmosphere and ATM

Mike Girardi has posted a review of the Synergistic Research Atmosphere ($) and ATM ($) at Stereo Times. His conclusions: “It’s rare to find a tweak that is not in the signal path to have such a profound effect on music reproduction. Once you hear the Atmosphere and how it can affect the music...
Read More »

Bybee Technologies Quantum Signal Enhancer

June 8, 2015
Bybee Technologies Quantum Signal Enhancer

John Fritz has posted a review of the Bybee Technologies Quantum Signal Enhancer ($119) at Stereo Mojo. His conclusions: “No, the QSE will not transform a mediocre system into a RMAF busting show piece. Used in an appropriate set up though (and in sufficient numbers), the QSE will make a positive difference that far...
Read More »

Sistrum Rhythm Isolation Platforms

June 5, 2015
Sistrum Rhythm Isolation Platforms

Norm Luttbeg has posted a review of the Sistrum Rhythm Platforms isolation platforms ($1450-$5500) at Stereo Times. His conclusions: “All that I can conclude about the Star Sound Rhythm rack is that it is phenomenal! I know that I could not achieve what I am hearing now without it. Perhaps, of course, I should...
Read More »

Harmonix TU-666M “BeauTone” Million Maestro 20th Anniversary Edition Footers

June 4, 2015
Harmonix TU-666M “BeauTone” Million Maestro 20th Anniversary Edition Footers

Wojciech Pacula has posted a review of the Harmonix TU-666M “BeauTone” Million Maestro 20th Anniversary Edition footers (€1250 set of 4) at High Fidelity. His conclusions: “The Harmonix feet lower the sound and make it focused. The last thing that can be said about them is that they “brighten” anything up. They will excellently...
Read More »

LessLoss Firewall AC Filters

June 2, 2015
LessLoss Firewall AC Filters

Srajan Ebaen has posted a review of the LessLoss Firewall modules AC filters ($179 each) at 6moons. His conclusions: “Perhaps they belong into a similar category as Jack Bybee’s 1/f filters or certain Synergistic Research models. The cost of admission is simply a lot lower. If that meant smaller sonic gains too, it’d be...
Read More »

Synergistic Research Grounding Block and High Definition Ground Cables

May 26, 2015
Synergistic Research Grounding Block and High Definition Ground Cables

Steven Plaskin has posted a review of the Synergistic Research Grounding Block ($595) and High Definition Ground Cables ($395 each) at AudioStream. His conclusions: “I was not prepared for the major sonic enhancement that these products delivered. The extent of the positive enhancements goes far beyond merely those of a “system tweak”. For those...
Read More »

Essence of Music CD Treatment

May 24, 2015
Essence of Music CD Treatment

Giuseppe Trotto has posted a review of Essence of Music CD treatment ($149) at ReMusic. His conclusions: “I am not sure if I am getting closer to the essence of music. For sure, I am in the right direction. There is a contraindication, however. I reject the normal CDs. I cannot listen to them...
Read More »

Stein Music Blue Sun Harmonic Enhancer

May 18, 2015
Stein Music Blue Sun Harmonic Enhancer

Dave Kaplan has posted a review of the Stein Music Blue Sun Harmonic Enhancer ($750) at Stereo Times. His conclusions: “This combination was quite powerful at turbo charging my Harmonizer’s performance and taking my system to a stunning new level of musical enjoyment with richer harmonics, greater dimensionality and better dynamics. I can’t recommend...
Read More »

AER LP Energizer

May 17, 2015
AER LP Energizer

Stephen Yan has posted a review of the AER LP Energizer ($1950) at Stereo Times. His conclusions: “So do I like the LP Energizer? Let’s put it this way: if it was not for the fact that I am in the process of purchasing a new amplifier, the LP energizer will not be returning...
Read More »