Quick Overview Dayton Audio Reference Series RS225-8 8" woofers deliver exceptional clarity, detail, and dynamics?and of course, incredibly low distortion. Product Highlights One of the lowest distortion, highest resolution driver series available Low-distortion high-excursion motor system with two short-circuit paths Compliant suspension and rigid black anodized aluminum cone for strong bass performance Heavy-duty 6-hole cast frame, low-loss rubber surround, and solid aluminum phase plug Product Manuals / Spec Sheets / Downloads Dayton Audio RS225-8 Specification Sheet Dayton Audio RS225-8 Data Files AddThis Sharing Buttons Share to FacebookFacebook Share to TwitterTwitter Share to MoreAddThis 3 Product Description The Dayton Audio Reference Series was conceived with one goal in mind?low distortion. Each speaker was carefully designed and optimized to offer the highest performance with the lowest distortion levels. At the same time, by focusing on features that contribute to sound quality and eliminating unnecessary frills, the drivers offer value unparalleled in the industry. Dayton Audio Reference Series RS225-8 8" woofers deliver exceptional clarity, detail, and dynamics?and of course, incredibly low distortion. OPTIMUM CABINET SIZE * Sealed Volume 0.44 ft.³ Sealed F3 66 Hz Vented Volume 1.17 ft.³ Vented F3 38 Hz * Enclosure volume/F3s based on BassBox "optimum" calculations Product Details Speaker Series Reference Series Model Number RS225-8 List Price $74.99 Color Black Unit of Measure Each UPC 844632088766 Warranty - Parts 5 Years Warranty - Labor 5 Years Product Shipping Weight (lbs.) 6.1 Speaker Type Woofer Nominal Diameter 8" Power Handling (RMS) 80 watts Power Handling (max) 160 watts Continuous Program Power -- Impedance 8 ohms Sensitivity 86.8 dB @ 2.83V/1m Frequency Response 28 - 2 400 Hz Voice Coil Diameter 38 mm Magnet Weight -- DC Resistance (Re) 6.5 ohms Voice Coil Inductance (Le) 0.86 mH @ 1 kHz Resonant Frequency (Fs) 28.3 Hz Mechanical Q (Qms) 1.46 Electromagnetic Q (Qes) 0.51 Total Q (Qts) 0.38 Diaphragm Mass Inc. Airload (Mms) 35.8g Moving Mass Of Diaphragm (Mmd) -- Mechanical Compliance of Suspension (Cms) 0.88 mm/N Surface Area Of Cone (Sd) 213.8 cm² Volume of Displacement (Vd) 149.7 cm³ BL Product (BL) 9.05 Tm Compliance Equivalent Volume (Vas) 56.8 liters Maximum Linear Excursion (Xmax) 7.0 mm Drivers Mechanical Losses (Rms) -- Cone / Diaphragm Material Black Anodized Aluminum Cone Entry / Exit Diameter -- Surround Material Rubber Voice Coil Wire Material Copper Voice Coil Former Aluminum Basket/Frame Material Cast Aluminum Magnet Material Ferrite Overall Outside Diameter 223 mm Overall Depth 89 mm Baffle Cutout Diameter 184 mm # Mounting Holes 6 Mounting Hole Diameter -- Bolt Circle Diameter -- Product Weight --