Chartwell SUB3 Passive Sub-Woofer (Supplied in pairs) The SUB3 is a sub-woofer designed to compliment the Chartwell LS3/5 and LS3/5A, but it is also applicable to other designs of similar sensitivity and impedance. Designed by Derek Hughes, it employs a novel bass loading technique to achieve extension down to 35Hz in a compact enclosure. They […]
