hi, my try: rushing is always there even if I play chinch is not particularly loud, but goes open bag. habe ne esx vision 840.4 and gbl gto 937 (2*100watt at 2ohm) and pioneer ts 6996 (2*80watt at 4ohm) clearly no sound giants but for me ok! is this due to the amp or because LS? how can one fix such a thing?