Slivia

Hello everyone, I ma a new member and desperatley need your help. I am trying to find a low frequency speaker of 8" with an extreme high Xmax equal or higher than 60mm. It is for a technical application where its needed to move an huge amount of air. Can anyone help, please?? Thanks

It is for geophysical appllication, basically I need to put inside a pipeline for oil nad gas. However I have found one with xmax of 40mm from GroundZero. Justin case someone else need it