Accuton S220-11-221
The Accuton S220-11-221 is a 22 cm woofer with sandwich cone.
The Accuton S220-11-221 is a 22 cm woofer with sandwich cone. It has a rear-ventilated voice coil and a ferrite magnet. It convinces among other things by an ultra low free-air resonant frequency of 22.1Hz, which makes it the optimal woofer driver.