Definitive Technology ProSub 1000 - High Output Compact 300W 10" Powered Subwoofer | Heart-thumping Sound for Home Theater System | (Single, Black)

[Music] [Applause] [Music] hi i'm paul dicomo i'm product development czar here at definitive technology and we're here today to talk about what some people call passive radiators but what we call base radiators and we call them that because that's what they do they radiate bass now you may know that most definitive technology loudspeakers use base radiators but you may not know why we use them you may not be familiar with the technology how it works why it works so we're going to do a demonstration today to show you exactly that how and why they work and why they're extremely effective at making really really good bass now in this model my hand represents the active driver that's the driver with the voice coil and the magnet and the amplifier sends current through it and makes it move the spring here is the air pressure inside the sealed enclosure and the light bulb is the base radiato