4250019110801

These silver polymer cone woofers feature a cosmetic stamped steel frame, vented back plate, and high-quality rubber surround. The relatively shallow profile, polymer construction, and T/S parameters make them ideal for automotive environments. Product Specifications Nominal Diameter: 7-7⁄8" (200 mm) Power Handling (RMS): 80 W Power Handling (Max): 160 W Impedance: 8 Ω Frequency Response: 36 - 4000 Hz Sensitivity: 88 dB 1W/1m Voice Coil Diameter: 0-63⁄64" (25 mm) Thiele-Small Parameters Resonant Frequency (Fs): 81.1 Hz DC Resistance (Re): 7.2 Ω Voice Coil Inductance (Le): 1.4 mH Mechanical Q (Qms): 3 Electromagnetic Q (Qes): 0.85 Total Q (Qts): 0.65 Compliance Equivalent Volume (Vas): 55 l Mechanical Compliance of Suspension (Cms): 0.8 mm/N BL Product (BL): 5.4 Tm Diaphragm Mass Inc. Airload (Mms): 24g Maximum Linear Excursion (Xmax): 0-5⁄32" (4 mm) Surface Area of Cone (Sd): 94.66 cm² Materials of Construction Cone Material: Poly Surround Material: Rubber Magnet Material: Ferrite Mounting Information Overall Outside Diameter: 7-63⁄64" (203 mm) Baffle Cutout Diameter: 7-3⁄32" (180 mm) Depth: 3-47⁄64" (95 mm) Mounting Holes: 4 Kenford DYG 820A, 8", 8 Ohm Brand: Rockwood Model: DYG 820A Weight: 5 lbs. Ask a product question