Dayton Audio UM18-22 18" Ultimax DVC Subwoofer

The Dayton Audio Ultimax UM18-22 is a formidable subwoofer driver engineered to deliver exceptionally deep and authoritative low-frequency extension. As part of the renowned Ultimax series, this component is designed for audiophiles and home theatre enthusiasts who demand uncompromising bass performance without distortion.

This subwoofer excels in a variety of applications, from dedicated home cinema systems seeking cinematic impact to high-end car audio installations requiring precise, room-filling low end. Its high-excursion capability makes it ideal for both sealed and ported enclosures, allowing for flexible integration into custom designs where controlled, accurate bass is paramount.

Technically, the UM18-22 features a Nomex cone and a robust motor structure that ensures linear excursion up to 22mm, with a displacement volume of 2681.8 cm³. The total Q factor of 0.7, combined with a sensitivity of 88.6 dB, provides a balanced blend of efficiency and control. The 4.3-ohm DC resistance and 1.5 mH voice coil inductance contribute to stable amplifier loading, while the 457.2 mm nominal diameter and 431.8 mm cutout diameter facilitate straightforward installation. With a depth of 228.6 mm and eight mounting holes, this subwoofer is built for serious low-frequency reproduction.

In summary, the Dayton Audio Ultimax UM18-22 offers exceptional build quality and engineering, making it a top choice for those seeking powerful, accurate bass in any high-performance audio system.