I just installed my roompack and two extra seams as recommended by Bill Laurent in my dedicated listening room. I am pleased as punch with the increased clarity, cleaner treble response, and overall improvement these passive room treatments provide in my system.
I haven't done any critical listening, but can definitely recommend this product and great service from Bill and Kris. Sorry for the brevity, but things are extremely busy at work. I hope to get more listening in this weekend.
Bill, I will be putting in an x-mas order (maybe July 4th?) for the framed response unit corner treatments to reduce the horn loading. Should put me in sonic heaven.
NB