Monacor SPH-8M 8’’ Woofer

The Monacor SPH-8M 8-inch Woofer delivers deep, controlled bass for discerning audio enthusiasts and professionals alike. Engineered as a dedicated bass, mid-bass, and subwoofer driver, this unit is ideally suited for custom loudspeaker designs, home theatre systems, and high-fidelity audio projects where precise low-frequency reproduction is essential. Whether you are upgrading an existing enclosure or building a bespoke sound system from scratch, the SPH-8M provides the foundation for rich, impactful bass.

Technically, this woofer features a polypropylene cone diaphragm for stiffness and low distortion, paired with a copper voice coil for efficient heat dissipation and reliable long-term performance. The 203.2 mm nominal diameter fits a 5.5-inch mounting hole, with a cut-out diameter of 18 mm and six fixing points for secure installation. Key parameters include a sensitivity of 89 dB SPL (1m/2.83V), a total Q factor (Qts) of 0.41, and a maximum linear excursion (Xmax) of 4.5 mm, ensuring controlled response in both sealed and ported enclosures. With a depth of 97 mm and a DC resistance of 6.5 ohms, this driver integrates seamlessly into a wide range of audio projects, delivering authoritative bass with clarity and precision.