Dayton Audio - DA175-8 - 7" Aluminum Cone and similar items

Brand NEW! 7" aluminum cone woofer with rubber surround, flat spider, and special composite dustcap. Key Features ? Special composite dustcap ? Stamped steel frame provides a very high-class and professional look ? Aluminum cone offers a flat frequency response in the passband region with very low distortion. Product Specifications Nominal Diameter 7" Bolt Circle Diameter 6.54 Moving Mass Of Diaphragm (Mmd) 25.17 Power Handling (RMS) 50 Watts Power Handling (MAX) 100 Watts Impedance 8? Frequency Response 35 to 10,000Hz Sensitivity 85dB 2.83V/1m Voice Coil Diameter 1.38" Thiele-Small Parameters Resonant Frequency (Fs) 39Hz DC Resistance (Re) 5.9? Voice Coil Inductance (Le) 1.14mH Mechanical Q (Qms) 3.31 Electromagnetic Q (Qes) 0.7 Total Q (Qts) 0.58 Compliance Equivalent Volume (Vas) 0.58ft Mechanical Compliance of Suspension (Cms) 0.66mm/N BL Product (BL) 7.17T·m Maximum Linear Excursion (Xmax) 4.25mm Surface Area of Cone (Sd) 132.7cm Materials of Construction Cone Material Aluminum Surround Material Rubber Voice Coil Wire Material Copper Voice Coil Former Aluminum Basket / Frame Material Steel Magnet Material Ferrite Mounting Information Overall Outside Diameter 6.91" Baffle Cutout Diameter 5.67" Depth 3.19" # Mounting Holes 5 - All international buyers are responsible for all tax, duties and/or customs fees.