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Eminence NSW6021-124 21" Professional Neodymium Subwoofer

Eminence SpeakerPart # 290-5664
Model: NSW6021-124
The Eminence NSW6021-124 is a powerful 21" speaker designed for high-performance audio applications. It delivers exceptional sound clarity and powerful bass, making it perfect for professional applications. With robust construction and advanced technology, this speaker ensures reliability and outstanding acoustic performance.

Key Features

  • Selectable 1, 2+2, or 4 ohm wiring for advanced optionality
  • Works well in vented, horn-loaded, or sealed designs to increase versatility
  • Mirror-image spiders spaced 13 mm apart provide effortless control
  • A massive 5,000 watts program rating to truly feel the bass
  • Lightweight neodymium speaker magnet and aluminum basket to save your spine the strain
  • A fiberglass coil former keeps the heat under control
Your Price: $1,224.99
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MSRP: $1,299.99
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Overview

Eminence NSW6021-124 21" Professional Neodymium Subwoofer

The NSW6021-124 is one of the most advanced, high-end subwoofers Eminence has to offer. The flexibility to perform in nearly any enclosure and be wired to match the impedance of nearly any amplifier means this subwoofer is unmatched in versatility. 

Advanced features such as the dual, mirror-imaged spider and bifilar dual voice coils mean that this subwoofer will perform for the long haul. It's no wonder that Eminence subwoofers are the go-to choice for sound professionals the world over.



Wiring Options

Please consult the diagram below for options on how to wire your NSW6021-124 for 1, 2+2, or 4 ohm amplifier loads. 

Product Details

BrandEminence Speaker
ModelNSW6021-124
Part Number290-5664
UPC876358008612
Unit of MeasureEach
Weight51.6

Product Specifications

Nominal Diameter21"
Bolt Circle Diameter20.67
Power Handling (RMS)5000 Watts
Power Handling (MAX)10000 Watts
Impedance
Frequency Response25 to 6000Hz
Sensitivity95dB 2.83V/1m
Voice Coil Diameter6"

Thiele-Small Parameters

Resonant Frequency (Fs)30.67Hz
DC Resistance (Re)2.9Ω
Voice Coil Inductance (Le)1.2mH
Mechanical Q (Qms)10.38
Electromagnetic Q (Qes)0.33
Total Q (Qts)0.32
Compliance Equivalent Volume (Vas)7.93ft³
Mechanical Compliance of Suspension (Cms)0.05mm/N
BL Product (BL)30.5T·m
Diaphragm Mass Inc. Airload (Mms)551g
Maximum Linear Excursion (Xmax)21mm
Surface Area of Cone (Sd)1642cm²

Materials of Construction

Cone MaterialTreated Paper
Surround MaterialCloth
Voice Coil Wire MaterialAluminum
Voice Coil FormerFiberglass
Basket / Frame MaterialCast Aluminum
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter21.65"
Baffle Cutout Diameter19.83"
Depth10.39"
# Mounting Holes8

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