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\nRecommended for professional audio as a mid-bass or vocal wedge in a sealed enclosure. Also suitable as a mid-bass or woofer in vented enclosures.
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\n| SPECIFICATION |
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\n| Nominal Basket Diameter |
\n15", 381 mm |
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\n| Nominal Impedance* |
\n8 Ω |
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\n| Power Rating* |
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\n| Program Power |
\n800 W |
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\n| Watts |
\n400 W |
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\n| Resonance |
\n40 Hz |
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\n| Usable Frequency Range |
\n48 Hz - 4 kHz |
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\n| Sensitivity* |
\n100 dB |
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\n| Magnet Weight |
\n56 oz. |
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\n| Gap Height |
\n0.375", 9.5 mm |
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\n| Voice Coil Diameter |
\n2.5", 64 mm |
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\n| THIELE & SMALL PARAMETERS |
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\n| Resonant Frequency (fs) |
\n40 Hz |
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\n| DC Resistance (Re) |
\n6.3 Ω |
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\n| Coil Inductance (Le) |
\n0.64m H |
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\n| Mechanical Q (Qms) |
\n8.05 |
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\n| Electromagnetic Q (Qes) |
\n0.57 |
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\n| Total Q (Qts) |
\n0.53 |
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\n| Compliance Equivalent Volume (Vas) |
\n270.7 liters / 9.56 cu.ft. |
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\n| Peak Diaphragm Displacement Volume (Vd) |
\n233 cc |
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\n| Mechanical Compliance of Suspension (Cms) |
\n0.26 mm/N |
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\n| BL Product (BL) |
\n13.2 T-M |
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\n| Diaphragm Mass Inc. Airload (MMs) |
\n62 grams |
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\n| Efficiency Bandwidth Product (EBP) |
\n70 |
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\n| Maximum Linear Excursion (Xmax) |
\n2.7 mm |
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\n| Surface Area of Cone (Sd) |
\n864.6 cm2 |
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\n| Maximum Mechanical Limit (Xlim) |
\n11.1 mm |
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\n| MOUNTING INFORMATION |
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\n| Recommended Enclosure Volume |
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\n| Sealed |
\n37-42.5 liters / 1.3-1.5 cu.ft. |
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\n| Vented |
\n82-161.4 liters / 2.9-5.7 cu.ft. |
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\n| Driver Volume Displaced |
\n0.128 cu.ft. / 3.62 liters |
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\n| Overall Diameter |
\n15.15", 384.8 mm |
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\n| Baffle Hole Diameter |
\n13.87", 352.3 mm |
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\n| Front Sealing Gasket |
\nYes |
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\n| Rear Sealing Gasket |
\nYes |
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\n| Mounting Holes Diameter |
\n0.25", 6.4mm |
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\n| Mounting Holes B.C.D. |
\n14.56", 369.8mm |
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\n| Depth |
\n6.05", 153.7 mm |
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\n| Net Weight |
\n12.3 lbs, 5.58 kg |
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\n| Shipping Weight |
\n14.4 lbs, 6.53 kgs |
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\n| MATERIALS OF CONSTRUCTION |
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\n| Coil Construction |
\nAluminum voice coil |
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\n| Coil Former |
\nPolyimide former |
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\n| Magnet Composition |
\nFerrite magnet |
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\n| Core Details |
\nVented core |
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\n| Basket Materials |
\nPressed steel basket |
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\n| Cone Composition |
\nPaper cone |
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\n| Cone Edge Composition |
\nCloth cone edge |
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\n| Dust Cap Composition |
\nSolid composition paper dust cap |
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