Xcool wrote: "Later that evening the building manager sent out an email to all residents that he received a complaint from some residents that they hear very loud bass music coming through their wall..."
My guess is that the heavy passive radiator moving up and down was effectively transmitting its vibrations into the floor itself, whereas if that motion had been in the horizontal plane the vibration transmission to the floor would have been much less.
In addition to avoiding vertical cone motion, you might consider the use of an isolation platform such as the Auralex SubDude. It is designed to very significantly reduce the transmission of vibrations to your floor.
Air-borne vibrations are more of a challenge because that’s what sound waves are. One possible strategy would be to place the subwoofer as close to the listening position as possible, so that you don’t have to turn it up quite as loud.
Duke
My guess is that the heavy passive radiator moving up and down was effectively transmitting its vibrations into the floor itself, whereas if that motion had been in the horizontal plane the vibration transmission to the floor would have been much less.
In addition to avoiding vertical cone motion, you might consider the use of an isolation platform such as the Auralex SubDude. It is designed to very significantly reduce the transmission of vibrations to your floor.
Air-borne vibrations are more of a challenge because that’s what sound waves are. One possible strategy would be to place the subwoofer as close to the listening position as possible, so that you don’t have to turn it up quite as loud.
Duke