After putting in many hours of work in comparing racks, shelves, and all the other things I have used in the past, the Sistrum Platforms are the best investment I think I have ever made. I can't tell you in words like a reviewer. What I have lost is a hash or noise. I can play at levels I could not play at before and things stay smooth, focused, dynamic, and very musical. Imaging is the best I have had in my room. There is something that is right about the sound that this boy can't put in words. My amp sounds less stressful, like it has more power. A brightness is gone when things get loud. I am sold. I gave it the 30 day trial and it ain't leaving my system. I may sell all my gear but the Star Sound Sistrum racks are staying. So is the PC. It bettered the FIM, MAC, and Stealth PCs in my system. I hope to try out more of their products as soon as possible. IMO, this company is doing something very right. I can't wait to try their IC and speaker cable. One sold and happy customer.