RCF-MR8N301 8-inch Midrange Speaker Superior Sound Pressure Level 3″ Inside | Outside Copper Voice Coil 200 Watt Rms 400 Watt Peak 8-Ohm Compact Size

About this item Features || 3-inch, inside/outside copper voice coil || 400W continuous program power handling || 107 dB Sensitivity in horn loaded application || 300 Hz – 3 kHz Frequency range || High BL neodymium design || Unique aluminum sealed basket featuring vented fin heat dissipation design || Calibrated back volume for a perfect time domain transient reproduction || SIZE || Height : 111 mm / 4.37 inches || Diameter : 208 mm / 8.19 inches || Weight : 3.31 kg / 7.3 lbs || SPECIFICATIONS || Nominal Diameter : 8 inch / 203 mm || Rated Impedance : 8 ohm || Program Power (watt) : 400 W || Power handling capacity : 200 W || Sensitivity : 102.0 dB || Frequency range : 300 – 3000 Hz || Effective piston diameter : 168 mm / 6.61 inch || Max. Excursion Before Damage : 15 mm / 0.59 inch || Minimum Impedance (ohm) : 9.8 ohm || SPECIFICATIONS || Voice Coil Diameter : 3.0 inch / 76 mm || Voice Coil Winding Material : Aluminum || Voice Coil Length : 11 mm / 0.43 inch || Number of layers : 2 || Kind of layers : inside/outside || Top Plate Thickness : 8 mm / 0.31 inch || Cone Design : Curved || Surround Material : Polycotton || Surround Design : Triple roll || Magnets : Neodymium || Spider : 1 || PARAMETERS || Resonance frequency (Fs) : 310 Hz || DC resistance (Re) (ohm) : 6.60 ohm || Mechanical factor : 3.45 Qms || Electrical factor : 0.41 Qes || Total factor : 0.37 Qts || Bl factor (Bl) (T x m) : 17.80 T x m || Effective moving mass (Mms) : 10.0 g || Equivalent Cas air loaded (Vas) : 2.0 liters || Effective piston area (Sd) : 0.020 m2 || Max. linear excursion (Xmax) : 4 mm || Voice coil inductance @ 1kHz (Le1k) : 1.16 mH || Half-space efficiency (Eff) : 0.128 || MOUNTING INFORMATION || Overall diameter : 238 mm / 9.37 inches || Bolt circle diameter : 220 mm / 8.66 inch || Bolt hole diameter : 7 mm / 0.28 inch || Front mount baffle cut-out : 202 mm / 7.95 inch || Rear mount baffle cut-out : 187 mm / 7.36 inch || Volume occupied by the driver : 2 liters / 0.08 ft || SHIPPING INFORMATION || Height : 150 mm / 5.91 inches || Width : 240 mm / 9.45 inches || Depth : 240 mm / 9.45 inches || Weight : 3.77 kg / 8.31 lbs || › See more product details Product information Collapse All Expand All Connectivity Item details Sound Quality Measurements Warranty & Support Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here. Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service. Feedback Would you like to tell us about a lower price? Additional details Power Power Source