The Revelator woofers and subwoofers features very rigid cones in paper or aluminium that operates as a piston over a wide frequency range, in combination with Scan-Speaks linear suspension and the patented Symmetrical Drive (SD-1) it results in very low distortion and a smooth and well behaved frequency response as well as perfect transient reproduction.
Patented Symmetrical Drive Motor Design
Long Throw Surround
Ferrite Magnet System w. Rubber Boot
Black Anodized Rigid Alu Cone
Die cast Alu Chassis vented below spider
Gold Binding Post Terminals
Datasheet: Datasheet 23W/4557T02