Eminence NSW6021-124

2x2Ω

Subwoofer

Nominal diameter21″ / 533 mm
Resonance30.7 Hz
Q factor0.32
Sensitivity93.6 dB
Linear excursion± 21 mm
Program Power5000 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 93.6dB
  • Frequency response 25 - 600Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 30.7Hz
  • Mechanical quality factor QMS 10.38
  • Electrical quality factor QES 0.33
  • Total quality factor QTS 0.32

Large signal parameters

  • Maximum linear excursion xmax 21mm
  • Maximum excursion before damage xlim 40.4mm
  • Air volume displaced at xmax VD 3448cm³
  • Power handling P 2500W
  • Program power Pmax 5000W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 2.9Ω
  • Inductance (1kHz, in series) LE 1.2mH
  • VC Diameter 152.4mm
  • Winding material Copper
  • Former material Glass Fiber

Magnet

  • Force factor (in series) Bl 30.5N/A
  • Motor constant Bl/√RE 17.9N/√W
  • Air gap height HAG 19mm
  • Weight 1.276kg
  • Material Neodymium

Diaphragm

  • Effective diameter 457mm
  • Effective area SD 1642cm²
  • Moving mass MMS 551g
  • Moving mass (without air load) MMD 504g
  • Material Wet pressed, X5 pulp

Suspensions

  • Stiffness KMS 20N/mm
  • Compliance CMS 50µm/N
  • Equivalent volume to the compliance VAS 225L
  • Mechanical resistance RMS 10.2N·s/m
  • Surround material Advanced Polycotton

Dimensions

  • Nominal diameter 21
  • 533mm
  • Overall diameter 550mm
  • Baffle cutout diameter 504mm
  • Overall depth 264mm
  • Volume occupied by the driver 10.7L
  • Net weight 21.818kg
  • Frame material Die-cast Aluminium
Eminence NSW6021-124 SPL & Impedance
Eminence NSW6021-124 Force factor


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