BETA-6A 6" American Standard Series Speaker

High power 6.5 inch Mid/Bass driver for use in concert sound systems or in high power auto sound as a mid/bass or a midrange driver. Works well in tiny sealed or vented enclosures, and in Infinite Baffles too. Applications  Midbass | Midrange | Pro Audio | Car Audio Box Type: Sealed | Vented | Horn Loading SpecificationsDownload Spec Sheet Download Cab Design SPECIFICATION Nominal Basket Diameter 6", 165 mm Nominal Impedance* 8 Ω Power Rating* Program Power 350 W Watts 175 W Resonance 123 Hz Usable Frequency Range 95 Hz - 4 kHz Sensitivity* 94 dB Magnet Weight 30 oz. Gap Height 0.25", 6.4 mm Voice Coil Diameter 2", 51 mm THIELE & SMALL PARAMETERS Resonant Frequency (fs) 123 Hz DC Resistance (Re) 5.18 Ω Coil Inductance (Le) 0.43m H Mechanical Q (Qms) 3.46 Electromagnetic Q (Qes) 0.66 Total Q (Qts) 0.56 Compliance Equivalent Volume (Vas) 3.51 liters / 0.12 cu.ft. Peak Diaphragm Displacement Volume (Vd) 61.1 cc Mechanical Compliance of Suspension (Cms) 0.15 mm/N BL Product (BL) 8.13 T-M Diaphragm Mass Inc. Airload (MMs) 11 grams Efficiency Bandwidth Product (EBP) 185 Maximum Linear Excursion (Xmax) 4.5 mm Surface Area of Cone (Sd) 129.9 cm2 Maximum Mechanical Limit (Xlim) 5.7 mm MOUNTING INFORMATION Recommended Enclosure Volume Sealed 2.38-9999.99 liters / 0.08-9999.99 cu.ft. Vented 5.1-14.16 liters / 0.18-0.5 cu.ft. Driver Volume Displaced 0.021 cu.ft. / 0.6 liters Overall Diameter 6.59", 167.4 mm Baffle Hole Diameter 5.65", 143.5 mm Front Sealing Gasket Yes Rear Sealing Gasket Yes Mounting Holes Diameter 0.23", 5.8mm Mounting Holes B.C.D. 6.06", 153.9mm Depth 2.66", 67.6 mm Net Weight 5.6 lbs, 2.54 kg Shipping Weight 6.3 lbs, 2.86 kgs MATERIALS OF CONSTRUCTION Coil Construction Aluminum voice coil Coil Former Polyimide former Magnet Composition Ferrite magnet Core Details Vented and extended core     Basket Materials Pressed steel basket Cone Composition Water resistant paper cone Cone Edge Composition Treated cloth cone edge Dust Cap Composition Water resistant treated paper dust cap Frequency Response