Scan-Speak Classic 18W/4545-00 Bass-midwoofer

The Scan-Speak Classic 18W/4545-00 Bass-midwoofer represents a masterful blend of engineering precision and acoustic performance, designed to elevate any serious audio project. As a dedicated bass-midwoofer, this driver excels at reproducing both the lower registers and the critical midrange frequencies with exceptional clarity and authority.

This versatile unit is ideally suited for high-fidelity loudspeaker designs, including two-way bookshelf monitors, three-way floorstanding systems, and compact subwoofer configurations. Whether you are building a custom home theatre setup or a reference-quality stereo pair, the 18W/4545-00 delivers the controlled, articulate bass and open midrange that discerning listeners demand.

Technically, the driver features a total Q factor (Qts) of 0.33, indicating excellent damping for tight, well-defined low-frequency response. The maximum linear excursion (Xmax) of 6.5 mm allows for substantial cone movement without distortion, while the 42 mm voice coil ensures robust power handling and thermal stability. With a resonance frequency of 35 Hz and an equivalent volume (Vas) of 21.2 litres, this woofer is optimised for sealed and vented enclosures alike. The 4-ohm impedance and 90 dB sensitivity (2.83V/1m) make it compatible with a wide range of amplifiers, delivering deep, impactful bass and a natural midrange.

For audio enthusiasts seeking uncompromising performance, the Scan-Speak Classic 18W/4545-00 is a superb choice that combines Danish craftsmanship with sonic excellence.