 Dick Olsher The Absolute Sound February 2025 | “The new Sound Application TT-7 SFS power grid interface resolved power line noise issues in massively superior fashion to all other line filters and power conditioners… Once heard, it is nearly impossible to do without… if you’re looking for the best there is, it’s the only path to follow.” Read More |
 Jeffrey Allen Producer CBS Studio Center | “Simply put, it is the best there is!” Read More |
 Shawn R. Britton Senior Mastering Engineer, Mobile Fidelity Sound Lab | “Since my first audition in 1996, I have used only Sound Application power line conditioners on my projects for Mobile Fidelity Sound Lab. The resolution and definition of soundstage is immediately apparent.” Read More |
 Steve Hoffman | “The SA 120v PGI is transforming. It is awesome.” Read More |
 Raydude Community Member Audiophile Style | “These truths were waiting in these recordings all along, and through meticulous engineering and attention to every detail, we’re finally able to hear them.” Read More |
 Tim de Paravacini E.A.R. | “It works!” |
 Jeff Fritz SoundStage | “Sound Application CF-X… If you are worried about any frequency-response anomalies, the CF-X showed none. Best of all, the CF-X did its job without a single problem, either mechanically or sonically.” Read More |
 Dick Olsher EnjoyTheMusic.com! | “Make no mistake about it: the Sound Application CF-X is the most effective line filter money can buy.” Read More |
Soundstage | Standout Demo CES 2007 Read More |
 Norm Luttbeg Stereo Times | “…Sound Application SA-1 has added the thrill of realism to my music enjoyment.” Read More |
 Jeff Parks Positive Feedback | “They are simply THE BEST.” Read More |
 Jerry Kindela Ultimate Audio | “The SOUND APPLICATION CF-X will max out every virtue your equipment is capable of.” Read More |
Dick Olsher The Absolute Sound February 2025 | I have experimented with a host of such devices, including isolation transformers, line filters, and AC regenerators, but in hindsight it is clear that they didn’t achieve more than limited success. That is until Sound Application designer Jim Weil’s latest TT-7 power grid interface, designated as the San Francisco Standard (SFS)… the SFS is an absolutely incredible power line filter that pushes the state-of-the-art forward. Read More |
 Albert von Schweikert Chief Engineer Von Schweikert Audio | “The SOUND APPLICATION CF-X provides amazing harmonic purity, transparency and total background silence.” |
Dr. William Gaw Editor in Chief SoundStage! | “the CF-XE Line conditioner by James Weil of Sound Application, is the best product out there in my opinion… for me PRODUCT OF THE CENTURY” Read More |
Marc Mickelson Editor-in-Chief Soundstage | “…what you get for your money is a well-made and refined power product that will improve systems of all pedigrees.” Read More |
Jeffrey Allen Producer CBS Studio Center | “HEAR the CF-X in the Reference Listening Suite at CBS Studio Center! I run the Reference Listening Suite at CBS Studio Center. SOUND APPLICATION placed five of their amazing CF-X line conditioners in my playback suite. WOW!! I have never heard any other AC product do what this does.” Read More |
 Alan Yun Silverline Audio | “The SOUND APPLICATION CF-X is my secret weapon.” |
