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Eminence NSW6021-6 - 6 ohm - Pro Audio 2500W Woofer

Eminence NSW6021-6 - 6 ohm - Pro Audio 2500W Woofer
Ship weight
23.41 kg
Priced per
6 ohm
  • Details
  • Additional Information

21-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.

Speaker Detail
Nominal Basket Diameter21", 533 mm
Nominal Impedance*6 Ω
Power Rating*
Program Power5000 W
Watts2500 W
Resonance29 Hz
Usable Frequency Range25 Hz - 0.6 kHz
Sensitivity*97.0 dB
Magnet Weight45 oz.
Gap Height0.75", 19 mm
Voice Coil Diameter6", 152 mm
Thiele & Small Parameters
Resonant Frequency (fs)29 Hz
DC Resistance (Re)3.8 Ω
Coil Inductance (Le)1.38m H
Mechanical Q (Qms)15.35
Electromagnetic Q (Qes)0.31
Total Q (Qts)0.31
Compliance Equivalent Volume (Vas)224.58 liters / 7.93 cu.ft.
Peak Diaphragm Displacement Volume (Vd)3448.2 cc
Mechanical Compliance of Suspension (Cms)0.06 mm/N
BL Product (BL)33.79 T-M
Diaphragm Mass Inc. Airload (MMs)508 grams
Efficiency Bandwidth Product (EBP)94
Maximum Linear Excursion (Xmax)21 mm
Surface Area of Cone (Sd)1642 cm2
Maximum Mechanical Limit (Xlim)40.4 mm
Mounting Information
Recommended Enclosure Volume
Sealed N/a
Vented 155.74-481.39 liters / 5.50-17.00 cu.ft.
Driver Volume Displaced0.379 cu.ft. / 10.72 liters
Overall Diameter21.65", 549.9 mm
Baffle Hole Diameter19.83", 503.7 mm
Front Sealing GasketYES
Rear Sealing Gasket
Mounting Holes Diameter0.34", 8.6mm
Mounting Holes B.C.D.20.67", 525mm
Depth10.39", 263.9 mm
Net Weight48.1 lbs, 21.82 kg
Shipping Weight51.6 lbs, 23.41 kgs
Materials of Construction
Coil ConstructionI/O Copper voice coil
Coil FormerFiberglass former
Magnet CompositionNeodymium magnet
Core DetailsVented motor
Basket MaterialsDie-cast aluminum basket
Cone CompositionWet pressed, X5 cone pulp
Cone Edge CompositionAdvanced Polycotton surround
Dust Cap CompositionWet pressed, X5 dust cap pulp
response graph

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