Tag Archives: Extreme Power

Eminence NSW6021-6 21-inch Tour Grade Subwoofer

“Introducing the 21-inch Tour Grade American Muscle subwoofer, the ultimate solution for music lovers and audiophiles alike. Experience the powerful, deep and accurate bass that will take your listening experience to the next level. This subwoofer is engineered to deliver outstanding performance and durability, making it the perfect choice for your music setup.

With its advanced measurement systems and FEA optimization tools, this subwoofer provides unrivaled displacement and high power handling, making it one of the highest output subwoofers on the market. The 6-inch voice coil, combined with the neodymium magnet, delivers the power and precision needed for even the most demanding listening sessions.

Eminence’s NSW6021-6 subwoofer is designed to impress, featuring a sensitivity of 97 dB and an Xmax of 21 mm, it delivers outstanding SPL, making it perfect for even the largest of rooms. With its 6-ohm impedance and 2,500 watts RMS power, this subwoofer is easy to drive, making it the ideal choice for music aficionados.

So, why wait? Upgrade your listening experience with Eminence’s Tour Grade American Muscle subwoofer and enjoy the deep, powerful bass that you deserve. Your music will never sound the same!”


The Eminence NSW6021-6 is a 21-inch professional subwoofer designed for extreme output capability and minimal distortion. It features a 6-inch voice coil that can handle up to 2500 watts AES (5000 watts program, 10,000 watts peak) power, providing unrivaled displacement and high power handling. The subwoofer’s neodymium magnet and advanced design results in a sensitivity of 97 dB and Xmax of 21 mm, making it one of the highest output subwoofers ever made.

The NSW6021-6 also boasts a True double spider suspension, which keeps the cone linear even under high excursion. Its 6-ohm impedance provides an easy load for most amplifiers and its X5 pulp cone and dust cap provide the strength and rigidity required to support the excessive amount of force produced by the voice coil and motor.

The Thiele & Small parameters for the subwoofer include a resonant frequency of 29 Hz, , mechanical Q of 15.35, electromagnetic Q of 0.31, and a total Q of 0.31. The subwoofer has a compliance equivalent volume of 224.58 liters,, and a maximum linear excursion of 21 mm.

For mounting, the subwoofer has a recommended vented enclosure volume of 155-480 liters. It weighs 48.1 lbs and is constructed with a copper voice coil, fiberglass former, neodymium magnet, vented motor, and die-cast aluminum basket. The cone and dust cap are made of wet-pressed X5 pulp, and the cone edge is made of advanced Polycotton surround.