DragonCrestPC":22wrossq said:Safe for the head, maybe not the cab. Guitar drivers have 1 to 2mm of xmax tops while bass drivers have 6 or even 10mm of xmax ( excursion ), a good slap bass player could blow your drivers in seconds with a clean channel just from dynamics. Celestion doesnt even recommend it. https://www.youtube.com/watch?v=ZiDoCGrCRUw