EMINENCE DELTAPRO8B 8-Inch Professional Series Speakers

EMINENCE DELTAPRO8B 8-Inch Professional Series Speakers Nominal Basket Diameter: 8, 203mm.NominalImpedance: 16 ohms.Power Rating.Watts: 225W.Music Program: 450W.Resonance: 71Hz.Usable Frequency Range: 100Hz-5kHz.Sensitivity: 99.Magnet Weight: 59 oz.Gap Height: 0.310, 7.95mm.Voice Coil Diameter: 2, 50.8mm.

Thiele and Small Parameters:

Resonant Frequency (fs): 71Hz.DC Resistance (Re): 10.5.Coil Inductance (Le): 0.90mH.Mechanical Q (Qms):7.47.Electromagnetic Q (Qes): 0.27.Total Q (Qts): 0.27.Compliance Equivalent Volume (Vas):18.28 liters / .65 cu.ft.Peak Diaphragm Displacement Volume (Vd): 66cc.Mechanical Complianceof Suspension (Cms): 0.27mm/N.BL Product (BL): 17.6 T-M.Diaphram Mass inc. Airload (Mms): 18 grams.Efficiency Bandwidth Product (EBP): 260.Maximum Linear Excursion (Xmax): 3.0mm.SurfaceArea of Cone (Sd): 218.9 cm2.Maximum Mechanical Limit (Xlim): 7.0mm.

Mounting Information:

Recommended Enclosure.Sealed: 8-14 liters / .30-.50 cu.ft.Vented: 8-16liters/.30-.60 cu.ft.Overall Diameter: 8.02, 203.71mm.Baffle Hole Diameter: 7.36, 186.9mm.Front Sealing Gasket fitted as standard.Rear Sealing Gasket fitted as standard.Mounting Holes Diameter: 0.28, 7.1mm.Mounting Holes B.C. D.: 8.60, 218.4mm.Depth: 3.75, 95mm.

Materials Of Construction:

Coil Construction Copper voice coil.Coil Former Polyimide former.Magnet Composition Ferrite magnet.Core Details Vented core.Basket Materials Die-cast aluminum basket.Cone Composition Paper cone.Cone Edge Composition Cloth cone edge.Dustcap Composition Solid composition paper dustcap.

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