The Scan-speak 23W/4557T is a high end subwoofer featuring a very rigid aluminum cone, low loss rubber surround and cast frame. The 23W/4557T uses the SD-1 motor system. There are gold plated binding posts and the woofer magnet is covered by a decorative rubber cap.
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.
The Scan-speak 23W/4557T is a high end subwoofer featuring a very rigid aluminum cone, low loss rubber surround and cast frame. The 23W/4557T uses the SD-1 motor system. There are gold plated binding posts and the woofer magnet is covered by a decorative rubber cap.
Data sheet