Brand NEW! Including 90 Days USA Factory Warranty. Choose the Dayton Audio DC130AS-8 Classic Series 5-1/4" woofer for use as a great replacement bookshelf speaker, midrange in 3-way designs, or even as a small subwoofer. The shielded design allows for use near tube TVs and focuses the magnetic flux in the gap for high sensitivity. Key Features ? Great bang-for-the-buck driver can be used as a woofer, midbass, or even as a small subwoofer! ? Smooth frequency response up to 2 kHz and great bass response ? Rubber surround, aluminum voice coil, and extended bump plate ? Shielded design increases performance and allows it to be used near tube TVs ? 4 ohm impedance for series pair use in MTMs and center channel speakers. Dayton Audio Classic Series woofers are excellent for use as replacement speakers or for new loudspeaker system design and construction. The DC130AS-8 shielded 5-1/4" woofer has developed quite a reputation for having the best bang-for-the-buck performance and value available anywhere. You can even be use the DC130AS-8 as a small subwoofer! The excellent low frequency performance will amaze you. A non-pressed treated paper cone allows for smooth frequency response, while the high temperature aluminum voice coil increases power handling without compression. Longevity is ensured with the use of a rubber surround, treated cloth dust cap, and an extended bump plate. Product Specifications Nominal Diameter 5-1/4" Moving Mass Of Diaphragm (Mmd) 9.7 Power Handling (RMS) 30 Watts Power Handling (MAX) 60 Watts Impedance 8? Frequency Response 55 to 4,000Hz Sensitivity 88.5dB 2.83V/1m Voice Coil Diameter 1" Thiele-Small Parameters Resonant Frequency (Fs) 57.2Hz DC Resistance (Re) 5.6? Voice Coil Inductance (Le) 0.84mH Mechanical Q (Qms) 2.01 Electromagnetic Q (Qes) 0.58 Total Q (Qts) 0.45 Compliance Equivalent Volume (Vas) 0.34ft Mechanical Compliance of Suspension (Cms) 0.8mm/N BL Product (BL) 5.83T·m Maximum Linear Excursion (Xmax) 2.5mm Surface Area of Cone (Sd) 91.6cm Materials of Construction Cone Material Treated Paper Surround Material Rubber Voice Coil Wire Material Copper Voice Coil Former Aluminum Basket / Frame Material Steel Magnet Material Ferrite Mounting Information Overall Outside Diameter 5.28" Baffle Cutout Diameter 4.72" Depth 3.09" # Mounting Holes 4 Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion) Sealed Volume 0.19ft Sealed F3 95Hz Vented Volume 0.6ft Vented F3 47Hz - All international buyers are responsible for all tax, duties and/or customs fees.