Brand NEW! The Dayton Audio DC130A-8 is a compact and inexpensive unshielded variant of the popular DC130AS-8 magnetically shielded woofer. Highlights Pincushion steel frame for great looks and strength Coated paper cone provides smooth response and reduced cone breakup Aluminum voice coil former for high power handling Large diameter flat spider and good Xmax for clean bass Suitable for sealed or vented enclosures Dayton Audio DC130A-8 5-1/4" Classic Woofer Speaker One of the main design goals at Dayton Audio is to create loudspeakers that can achieve high levels of performance at reasonable prices. The Dayton Audio DC130A-8 5-1/4" woofer is a great example of this approach. It features a non-pressed treated paper cone, rubber half-roll surround, ASV voice coil, coated cloth dust cap, and excellent low frequency response. Product Specifications Nominal Diameter - 5-1/4" Power Handling (RMS) - 40 Watts Power Handling (max) - 60 Watts Impedance - 8 ohms Frequency Response - 50 to 5,000 Hz Sensitivity - 88.7 dB 2.83V/1m Voice Coil Diameter - 1" Magnet Weight - 11 oz. Thiele-Small Parameters Resonant Frequency (Fs) - 53.2 Hz DC Resistance (Re) - 5.7 ohms Voice Coil Inductance (Le) - 0.75 mH Mechanical Q (Qms) - 1.90 Electromagnetic Q (Qes) - 0.51 Total Q (Qts) - 0.41 Compliance Equivalent Volume (Vas) - 0.49 ft. Mechanical Compliance of Suspension (Cms) - 0.96 mm/N BL Product (BL)5.88 TmDiaphragm Mass Inc. Airload (Mms) - 9.3g Maximum Linear Excursion (Xmax) - 2.5 mm Surface Area of Cone (Sd) - 91.6 cm Materials of Construction Cone Material - Coated Paper Surround Material - Rubber Voice Coil Wire Material - Copper Voice Coil Former - Aluminum Basket / Frame Material - Steel Magnet Material - Ferrite - All international buyers are responsible for all tax, duties and/or customs fees.