Eminence Delta-15b 15" Pro Mid Bass Spkr; 800w Max; 16 Ohms W/copper Voice Coil (delta15b)

This item is brand-new, factory sealed.

This table charts the specifications for the DELTA-15B speaker
* Nominal Basket Diameter: 15-in , 381 mm.
* Nominal Impedance: 16 Ohms.
* Power Rating:
* Watts: 400 W.
* Music Program: 800 W.
* Resonance: 45 Hz.
* Usable Frequency Range: 64 Hz - 4 kHz.
* Sensitivity: 100 dB.
* Magnet Weight: 56 oz..
* Gap Height: 0.375-in , 9.5 mm.
* Voice Coil Diameter: 2.5-in , 64 mm.
* Thiele & Small Parameters.
* Resonant Frequency (fs): 45 Hz.
* DC Resistance (Re): 11.3 Ohms.
* Coil Inductance (Le): 1.35m H.
* Mechanical Q (Qms): 6.54.
* Electromagnetic Q (Qes): 0.67.
* Total Q (Qts): 0.61.
* Compliance Equivalent Volume (Vas): 204 liters / 7.2 cu.ft..
* Peak Diaphragm Displacement Volume (Vd): 137 cc.
* Mechanical Compliance of Suspension (Cms): 0.19 mm/N.
* BL Product (BL): 17.6 T-M.
* Diaphragm Mass Inc. Airload (MMs): 64 grams.
* Efficiency Bandwidth Product (EBP): 68.
* Maximum Linear Excursion (Xmax): 1.6 mm.
* Surface Area of Cone (Sd): 856.3 cm2.
* Maximum Mechanical Limit (Xlim): 11.1 mm.
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Recommended Enclosure Volume;
* Sealed: 31-42.5 liters / 1.09-1.5 cu.ft..
* Vented: 81.8-87.8 liters / 2.89-3.1 cu.ft..
* Driver Volume Displaced: 0.128 cu.ft. / 3.62 liters.
* Overall Diameter: 15.15-in , 384.8 mm.
* Baffle Hole Diameter: 13.87-in , 352.3 mm.
* Front Sealing Gasket: Yes.
* Rear Sealing Gasket: Yes.
* Mounting Holes Diameter: 0.25-in , 6.4mm.
* Mounting Holes B.C.D.: 14.56-in , 369.8mm.
* Depth: 6.05-in , 153.7 mm.
* Net Weight: 12.3 lbs, 5.58 kg.
* Shipping Weight: 14.3 lbs, 6.49 kgs.
* Materials of Construction.
* Coil Construction: Copper voice coil.
* Coil Former: Polyimide former.
* Magnet Composition: Ferrite magnet.
* Core Details: Vented core.
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* Basket Materials: Pressed steel basket.
* Cone Composition: Paper cone.
* Cone Edge Composition: Cloth cone edge.
* Dust Cap Composition: Solid composition paper dust cap.