Markaudio Alpair-7MS Gold Full-range Woofer

The Markaudio Alpair-7MS Gold is a 4-inch full-range broadband woofer that delivers exceptional audio quality from a single driver, making it an outstanding choice for audiophiles and DIY enthusiasts alike. This compact yet powerful unit is ideally suited for use in small to medium-sized bookshelf speakers, desktop monitors, or high-fidelity portable enclosures, where space is at a premium but sonic performance cannot be compromised. Its full-range capability eliminates the need for separate tweeters or crossovers, simplifying design while maintaining coherent sound reproduction across the frequency spectrum.

Technically, the Alpair-7MS Gold features an 8-ohm impedance and a sensitivity of 86.3 dB, ensuring efficient power handling and compatibility with a wide range of amplifiers. The driver boasts a total Q factor (Qts) of 0.57, with a mechanical Q (Qms) of 2.35 and an electrical Q (Qes) of 0.74, offering controlled bass response and smooth integration into sealed or ported enclosures. With a resonance frequency (Fs) of 75 Hz and a maximum linear excursion (Xmax) of 4.5 mm, it delivers articulate low-end performance despite its modest 101.6 mm nominal diameter. The 99.1 mm cutout diameter and five mounting holes ensure straightforward installation, while the 62 mm depth allows for slim cabinet designs. Finished with a gold-coated cone, this driver combines aesthetic appeal with robust engineering, making it a premium choice for discerning listeners seeking uncompromising sound from a compact full-range solution.