21LS2000
LF Drivers

21LS2000

21LS2000

Impedance
Diameter 21"
Impedance 8Ω
Continuous Power 1500W
Sensitivity 98dB
Voice Coil 125mm
Magnet Ferrite
Frequency Range 30Hz-1.5kHz

Features

  • 98 dB sensitivity
  • 1500 W continuous program power capacity
  • 30 - 1500 Hz response
  • Optimized ferrite magnet structure
  • Long-throw design with high Xvar
  • Suitable for bass-reflex and horn-loaded cabinets

General

Nominal Diameter21"
Minimum Impedance5.6Ω
Frequency Range30Hz-1.5kHz

Specifications

Nominal Power Handling750W
Continuous Power Handling1500W
Program Power Handling4000W
Sensitivity98dB
Voice Coil Diameter125mm
Winding MaterialCopper
Former MaterialPolyimide
Winding Depth43 mm
Magnetic Gap Depth14 mm
Flux Density1.15 T
Diaphragm MaterialBoth Sides All specifications subject to change without notice_E.a

Parameters

Fs 32 Hz
Re 4.5Ω
Qes 0.35
Qms 8.0
Qts 0.34
Vas 320 dm³
Sd 1700 cm²
Mms 280 g
Reference Efficiency 2.4%
Bl 27.0 Tm
Le 1.8 mH
EBP 91 Hz
Xmax 12.0 mm

Frequency Response

Design

Magnet MaterialFerrite

Mounting & Shipping Info

Overall Diameter545 mm (21.46 in)
Bolt Circle Diameter526 mm (20.71 in)
Baffle Cutout Diameter495 mm (19.49 in)
Depth240 mm (9.45 in)
Flange & Gasket Thickness8 mm (0.31 in)
Net Weight12.0 kg (26.46 lb)
Shipping Weight14.4 kg (31.75 lb)
Shipping Units1 pcs

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