Scan-Speak Classic 18W/854200 Bass-midwoofer

The Scan-Speak Classic 18W/854200 Bass-midwoofer is a precision-engineered driver that delivers accurate, controlled bass and a clear, articulate midrange response. Designed for discerning audio enthusiasts, this 8-ohm, 177mm diameter unit is the ideal choice for high-fidelity two-way or multi-way loudspeaker systems, where it excels as both a dedicated bass driver and a midrange reproducer.

This versatile woofer is perfectly suited for a wide range of applications, from compact bookshelf speakers to larger floor-standing designs. Its balanced performance makes it an excellent candidate for sealed or ported enclosures, allowing you to achieve tight, punchy low frequencies without sacrificing vocal clarity or instrumental detail. Whether you are building a custom home theatre system or a critical listening pair, this driver provides a solid foundation for superior sound.

Technically, the 18W/854200 features a total Q factor (Qts) of 0.35, ensuring a well-damped response for accurate transient reproduction. With a maximum linear excursion (Xmax) of 6.5mm and a sensitivity of 88dB SPL (1m/2.83V), it offers a fine balance between output capability and control. The low voice coil inductance (Le) of 0.2mH and a DC resistance (Re) of 5.7 ohms contribute to a clean, extended high-frequency roll-off, while the 6-hole mounting flange with a 158.3mm cut-out diameter simplifies installation.

In summary, the Scan-Speak Classic 18W/854200 is a high-quality bass-midwoofer that combines technical precision with musicality, making it a superb choice for any serious loudspeaker project.