Scan-Speak 18W⁄4545-00 - information in PDF format (474 Kb)
Classic midwoofer with paper⁄carbon fibre cone.
Midwoofer with carbon fibre⁄paper cone, SD-1 motor, low loss rubber surround.
Air Core Coil.
Reference quality bass-midrange with 4-ohm underhung voice coil.
Air-core OFC foil coil.
High-purity copper coil wound around a Permite core.