Recommended for professional audio as a mid/bass speaker. For sealed, vented or infinite baf. applications. Neodymium makes it very light.
SPECIFICATION Nominal Basket Diameter 6.5", 165.1 mm Nominal Impedance 8 ohms Power Rating Watts 100 W / Music Program 200 W Resonance 125.55 Hz Usable Frequency Range 74 Hz - 5.5 kHz Sensitivity 94 Magnet Weight 3.5 oz Gap Height 0.25", 6.35 mm Voice Coil Diameter 1.5", 38.1 mm
THIELE & Small Parameters Resonant Frequency (fs) 126 Hz DC Resistance (Re) 7.3 Coil Inductance (Le) 0.53 mH Mechanical Q (Qms) 6.30 Electromagnetic Q (Qes) 0.61 Total Q (Qts) 0.56 Compliance Equivalent Volume (Vas) 4.92 liters / 0.17 cu. ft. Peak Diaphragm Displacement Volume 46 cc Mechanical Compliance of Suspension (Cms) 0.21 mm/N BL Product (BL) 8.5 T-M Diaphragm Mass inc. Airload (Mms) 7.7 grams Efficiency Bandwidth Product (EBP) 204.9 Maximum Linear Excursion (Xmax) 3.5 mm Surface Area of Cone (Sd) 129.9 cm² Maximum Mechanical Limit (Xlim) 4.0 mm
MOUNTING Information Recommended Enclosure Volume Sealed 2.83-8 liters/1-8 cu. ft. Vented 3-16 liters/1-6 cu. ft. Overall Diameter 6.59", 167.39 mm Baffle Hole Diameter 5.69", 144.53 mm Front Sealing Gasket fitted as standard Rear Sealing Gasket fitted as standard Mounting Holes Diameter 0.23", 5.8 mm Mounting Holes B.C.D. 6.06", 153.9 mm Depth 2.4", 61 mm
MATERIALS of Construction Round Copper voice coil Kapton Neodymium magnet Vented and Extended core Pressed steel basket Paper Cone Cloth cone edge Treated paper dust cap