Features of8-in 20W RMS to MAX 40W 1-in Voice Coil Diameter 4 Ohms Impedance Ferrite Magnet
Nominal Basket Diameter: 8-in , 203 mm.Nominal Impedance: 4 Ohms.Power Rating:Watts: 20 W.Music Program: 40 W.Resonance: 144 Hz.Usable Frequency Range: 80 Hz - 4.6 kHz.Sensitivity: 96.1 dB.Magnet Weight: 15 oz..Gap Height: 0.25-in , 6.4 mm.Voice Coil Diameter: 1-in , 25 mm.Thiele & Small Parameters.Resonant Frequency (fs): 144 Hz.DC Resistance (Re): 3.64 Ohms.Coil Inductance (Le): 0.33m H.Mechanical Q (Qms): 18.78.Electromagnetic Q (Qes): 0.92.Total Q (Qts): 0.88.Compliance Equivalent Volume (Vas): 9.62 liters / 0.34 cu.ft..Peak Diaphragm Displacement Volume (Vd): 36.7 cc.Mechanical Compliance of Suspension (Cms): 0.13 mm/N.BL Product (BL): 5.74 T-M.Diaphragm Mass Inc. Airload (MMs): 9 grams.Efficiency Bandwidth Product (EBP): 156.Maximum Linear Excursion (Xmax): 1.59 mm.Surface Area of Cone (Sd): 230.9 cm2.Maximum Mechanical Limit (Xlim): N/A.-----------------------------------Recommended Enclosure Volume;Sealed: Acceptable.Vented: Acceptable.Driver Volume Displaced: 0.018 cu.ft. / 0.51 liters.Overall Diameter: 8.24-in , 209.3 mm.Baffle Hole Diameter: 7.13-in , 181.1 mm.Front Sealing Gasket: Yes.Rear Sealing Gasket: N/A.Mounting Holes Diameter: 0.22-in , 5.6mm.Mounting Holes B.C.D.: 7.75-in , 196.9mm.Depth: 3.06-in , 77.7 mm.Net Weight: 3.1 lbs, 1.41 kg.Shipping Weight: 3.9 lbs, 1.77 kgs.Materials of Construction.Coil Construction: Copper voice coil.Coil Former: Polyimide former.Magnet Composition: Ferrite magnet.Core Details: None-vented core.-----------------------------------.Basket Materials: Pressed steel basket.Cone Composition: Paper cone.Cone Edge Composition: Full paper cone.Dust Cap Composition: Zurette dust cap.
Specification of 8-in 20W RMS to MAX 40W 1-in Voice Coil Diameter 4 Ohms Impedance Ferrite Magnet
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Warning - California Proposition 65
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product Code: UPC876358002290
SKU: THUN-820H