Audioism, Linear Tube Audio, REL Sub Woofers
Backert Labs, Martin Logan, Marantz, Odyssey, VPI
Caintuck Audio, Flea Watt, Hawthorne Audio
DC Audio DIY, Do It Yourself Audio
DeJa Vu Audio, RM 2, Audio Note, Synthesis
DeJa Vu Audio, Western Electric, RM 1
Dynamic Sound Assiociates, VPI Avenger, Joseph Audio
Emia Audio, Dave Slagal, custom Quad ESL 57s
Fyssion, Artisan Audio
Gingko Audio Cloud technology, Salk Sound
GT Audio Works, Paradox Pulse, VPI
Lyn Stanley in the Sound Insight room
Lyn Stanley sings Love Potion No 9 in the VPI room
Now Listen Here, Totem, Rogue Audio, Music Hall
Resolution Acoustics, the famous room treatment test
Sound Insight, SI300 subwoofer, BG Radia FS 880, Pass Labs XA60
Technics Reference Class R1 Series, Technics Premium Class C700
TVTI, Stillpoints, Purist Audio Design, Tidal
Vinnie Rossi LIO amplifiers, Harbeth, Fidelis AV
Well Pleased Audio Vida, Alta Audio, Clones Audio, Antipodes