The Eminence NSW6021-6 is the best 21-inch professional subwoofer on the market. With a massive 6" voice coil, powerful neodymium motor, double spiders, and extensive venting this driver has 21 mm Xmax and handles up to 2,500 watts RMS. The result is unrivaled displacement and exceptionally high output capability with top of the line performance.
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\n21-inch Tour Grade - American Muscle Arguably the best 21-inch subwoofer on the market. Advanced measurement systems and FEA optimization tools were implemented on this next generation of tour grade worthy subwoofers by Eminence. The result is absurd, unrivaled displacement and exceptionally high power handling with top of the line performance in small to large vented enclosures.
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\n| SPECIFICATION |
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\n| Nominal Basket Diameter |
\n21", 533 mm |
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\n| Nominal Impedance* |
\n6 Ω |
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\n| Power Rating* |
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\n| Program Power |
\n5000 W |
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\n| Watts |
\n2500 W |
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\n| Resonance |
\n29 Hz |
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\n| Usable Frequency Range |
\n25 Hz - 0.6 kHz |
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\n| Sensitivity* |
\n97.0 dB |
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\n| Magnet Weight |
\n45 oz. |
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\n| Gap Height |
\n0.75", 19 mm |
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\n| Voice Coil Diameter |
\n6", 152 mm |
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\n| THIELE & SMALL PARAMETERS |
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\n| Resonant Frequency (fs) |
\n29 Hz |
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\n| DC Resistance (Re) |
\n3.8 Ω |
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\n| Coil Inductance (Le) |
\n1.38m H |
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\n| Mechanical Q (Qms) |
\n15.35 |
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\n| Electromagnetic Q (Qes) |
\n0.31 |
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\n| Total Q (Qts) |
\n0.31 |
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\n| Compliance Equivalent Volume (Vas) |
\n224.58 liters / 7.93 cu.ft. |
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\n| Peak Diaphragm Displacement Volume (Vd) |
\n3448.2 cc |
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\n| Mechanical Compliance of Suspension (Cms) |
\n0.06 mm/N |
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\n| BL Product (BL) |
\n33.79 T-M |
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\n| Diaphragm Mass Inc. Airload (MMs) |
\n508 grams |
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\n| Efficiency Bandwidth Product (EBP) |
\n94 |
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\n| Maximum Linear Excursion (Xmax) |
\n21 mm |
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\n| Surface Area of Cone (Sd) |
\n1642 cm2 |
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\n| Maximum Mechanical Limit (Xlim) |
\n40.4 mm |
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\n| MOUNTING INFORMATION |
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\n| Recommended Enclosure Volume |
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\n| Sealed |
\nN/a |
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\n| Vented |
\n155.74-481.39 liters / 5.50-17.00 cu.ft. |
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\n| Driver Volume Displaced |
\n0.379 cu.ft. / 10.72 liters |
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\n| Overall Diameter |
\n21.65", 549.9 mm |
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\n| Baffle Hole Diameter |
\n19.83", 503.7 mm |
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\n| Front Sealing Gasket |
\nYES |
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\n| Rear Sealing Gasket |
\n |
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\n| Mounting Holes Diameter |
\n0.34", 8.6mm |
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\n| Mounting Holes B.C.D. |
\n20.67", 525mm |
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\n| Depth |
\n10.39", 263.9 mm |
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\n| Net Weight |
\n48.1 lbs, 21.82 kg |
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\n| Shipping Weight |
\n51.6 lbs, 23.41 kgs |
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\n| MATERIALS OF CONSTRUCTION |
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\n| Coil Construction |
\nI/O Copper voice coil |
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\n| Coil Former |
\nFiberglass former |
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\n| Magnet Composition |
\nNeodymium magnet |
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\n| Core Details |
\nVented motor |
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\n| Basket Materials |
\nDie-cast aluminum basket |
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\n| Cone Composition |
\nWet pressed, X5 cone pulp |
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\n| Cone Edge Composition |
\nAdvanced Polycotton surround |
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\n| Dust Cap Composition |
\nWet pressed, X5 dust cap pulp |
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