4" Voice coil
To deliver the ground shaking 141dB Max SPL, the Delta F18B features a custom designed 18" transducer.
Using an aluminium die-cast basket, this transducer has a massive 4" voice coil which handles up to 3200w peak power.
Simply put, this custom Wharfedale Pro transducer is the heart of the F18B - giving it enormous low end power.