Quick Overview The Dayton Audio Reference Series sets a new standard of value in high-performance loudspeaker drivers. Utilizing a low-distortion motor system with two short-circuit paths and a rigid aluminum cone, the Reference Series can outperform drivers that cost several times the price. Product Highlights Long-excursion motor and suspension for strong bass performance Subtle yet high-tech look makes a bold cosmetic statement Ultra-low stray magnetic field allows extremely close proximity to CRTs Product Manuals / Spec Sheets / Downloads Dayton Audio RS180S-8 Specification Sheet Dayton Audio RS180S-8 Data Files AddThis Sharing Buttons Share to FacebookFacebook Share to TwitterTwitter Share to MoreAddThis Product Description The Dayton Audio Reference Series sets a new standard of value in high-performance loudspeaker drivers. Utilizing a low-distortion motor system with two short-circuit paths and a rigid aluminum cone, the Reference Series can outperform drivers that cost several times the price. Their low-distortion characteristics and high excursion capabilities provide exceptional clarity, detail, and dynamics. Woofers feature a shielded motor system, black anodized cone, heavy-duty 6-hole cast frame, low-loss rubber surround, and solid aluminum phase plug. OPTIMUM CABINET SIZE * Sealed Volume 0.17 ft.³ Sealed F3 99 Hz Vented Volume 0.49 ft.³ Vented F3 56 Hz * Enclosure volume/F3s based on BassBox "optimum" calculations Product Details Speaker Series Reference Series Model Number RS180S-8 List Price $58.99 Color Black Unit of Measure Each UPC 844632000331 Warranty - Parts 5 Years Warranty - Labor 5 Years Product Shipping Weight (lbs.) 5.5 Speaker Type Woofer Nominal Diameter 7" Power Handling (RMS) 60 watts Power Handling (max) 120 watts Continuous Program Power -- Impedance 8 ohms Sensitivity 86.9 dB @ 2.83V/1m Frequency Response 41 - 3 600 Hz Voice Coil Diameter 25 mm Magnet Weight -- DC Resistance (Re) 6.4 ohms Voice Coil Inductance (Le) 0.79 mH @ 1 kHz Resonant Frequency (Fs) 37.7 Hz Mechanical Q (Qms) 1.45 Electromagnetic Q (Qes) 0.49 Total Q (Qts) 0.36 Diaphragm Mass Inc. Airload (Mms) 17g Moving Mass Of Diaphragm (Mmd) -- Mechanical Compliance of Suspension (Cms) 1.05 mm/N Surface Area Of Cone (Sd) 124.7 cm² Volume of Displacement (Vd) 74.8 cm³ BL Product (BL) 7.28 Tm Compliance Equivalent Volume (Vas) 23 liters Maximum Linear Excursion (Xmax) 6.0 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 180.5 mm Overall Depth 98 mm Baffle Cutout Diameter 146 mm # Mounting Holes 6 Mounting Hole Diameter -- Bolt Circle Diameter -- Product Weight --