Dayton Audio DS270-PR 10″ Designer Series Passive Radiator

Dayton Audio DS270-PR 10″ Designer Series Passive Radiator Overview:The Dayton Audio Passive Radiators are excellent general-purpose passives suitable for replacement or for new construction. Description:The Dayton Audio Passive Radiators are excellent general-purpose passives suitable for replacement or for new construction. A built-in mass disc offers a good starting point for most designs, and a convenient M5 threaded hole (screw included) allows different types of weights to be added if desired. Cosmetically and mechanically, the passives match the Shielded DVC line of subwoofers, with a poly coated paper cone and medium-roll rubber surround for clean excursion and long life. The possibilities with these passives are endless, from floor standing two-ways to small active/passive subwoofer systems. Product Details:BrandDayton AudioModelDS270-PRUnit of MeasureEachWeight1.5  Thiele Small Parameters:Nominal Diameter10″Resonant Frequency (Fs)21.9HzMechanical Q (Qms)3.98Compliance Equivalent Volume (Vas)3.73ft³Mechanical Compliance of Suspension (Cms)0.6mm/NDiaphragm Mass Inc. Airload (Mms)88.4gMaximum Linear Excursion (Xmax)11mmSurface Area of Cone (Sd)353cm² Materials of Construction:Cone MaterialPaperSurround MaterialRubberBasket / Frame MaterialSteel Mounting Information:Overall Outside Diameter10.24“Baffle Cutout Diameter8.94“Depth2.81“# Mounting Holes5