Quick Overview Utilizing an advanced motor system and a rigid aluminum cone, the Reference Series can outperform drivers that cost several times the price. Product Highlights Truncated cast frame, great for line arrays and MTM speaker designs Long-excursion motor and suspension for strong bass performance Advanced low-distortion motor design Distortion-reducing copper ring in magnetic gap Lightweight black anodized aluminum cone Product Manuals / Spec Sheets / Downloads Dayton Audio RS125T-8 Specification Sheet Dayton Audio RS125T-8 Data Files AddThis Sharing Buttons Share to FacebookFacebook Share to TwitterTwitter Share to MoreAddThis 2 Product Description The Reference Series sets a new standard of value in high-performance loudspeaker drivers. Utilizing an advanced motor system 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. Woofer features a black anodized cone, heavy-duty cast frame, low-loss rubber surround, solid aluminum phase plug, distortion-reducing magnetic gap copper ring, rubber magnet boot, and gold terminals. OPTIMUM CABINET SIZE * Sealed Volume 0.06 ft.³ Sealed F3 136 Hz Vented Volume 0.18 ft.³ Vented F3 70 Hz * Enclosure volume/F3s based on BassBox "optimum" calculations Product Details Speaker Series Reference Series Model Number RS125T-8 List Price $42.99 Color Black Unit of Measure Each UPC 844632079795 Warranty - Parts 5 Years Warranty - Labor 5 Years Product Shipping Weight (lbs.) 1.95 Speaker Type Woofer Nominal Diameter 5" Power Handling (RMS) 30 watts Power Handling (max) 60 watts Continuous Program Power -- Impedance 8 ohms Sensitivity 86.9 dB @ 2.83V/1m Frequency Response 75 - 9 200 Hz Voice Coil Diameter 25 mm Magnet Weight -- DC Resistance (Re) 6.4 ohms Voice Coil Inductance (Le) 0.58 mH @ 1 kHz Resonant Frequency (Fs) 76 Hz Mechanical Q (Qms) 2.62 Electromagnetic Q (Qes) 0.61 Total Q (Qts) 0.5 Diaphragm Mass Inc. Airload (Mms) 5.1g Moving Mass Of Diaphragm (Mmd) -- Mechanical Compliance of Suspension (Cms) 0.87 mm/N Surface Area Of Cone (Sd) 54.1 cm² Volume of Displacement (Vd) 15.1 cm³ BL Product (BL) 5.04 Tm Compliance Equivalent Volume (Vas) 3.56 liters Maximum Linear Excursion (Xmax) 2.8 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 125.5 mm Overall Depth 55 mm Baffle Cutout Diameter 94 mm # Mounting Holes 4 Mounting Hole Diameter -- Bolt Circle Diameter -- Product Weight --