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CIARE NDH21-4S 21" 2000watt 4ohm NEO SUBWOOFER

£399.95

Quantity:

CIARE NDH21 4S 21"NEO 2000 watt SUB-WOOFER 4ohm

4000 Watt Max Power
100 mm (4 in) voice coil,
Flat aluminium wire and reinforced aluminium former
Interleaved sandwich voice coil
Neodymium magnet assembly
Weather protected membrane for outdoor use
Ventilated voice coil and magnet circuit for improved heat dissipation Double spider for improved control and linearity

Designed & manufactured in Italy.


See specification tab for technical details or Click HERE for full details, response curves and Thiele & Small parameters. (opens in new window)

Model: NDH 21-4S

note: Price includes VAT

GENERAL SPECIFCATION
Nominal Diameter 21 in - 540 mm
Nominal Impendance 4 Ohm
Nominal Rdc 2.6 Ohm
Power handling (AES) (*) 2000 Watt
Max Power 4000 Watt Minimum
Impedance 3.8 Ohm Frequency
Range 20 ÷ 350 Hz
Diaphragm Material 4 in - 100 mm
S.P.L. (1w, 1m) 98 dB
Nominal Fs 29 Hz
Sinusoidal Test Voltage 20


Thiele-small parameters
Qms 6.00
Qes 0.30
Qts 0.28
Fs 29.00 Hz
Re 2.70 Ohm
Mms 420.00 g
Cms 0.07 mm/N
Bl 26.30 T*m
Sd 1698.00 cm2
Vas 290.08 litres u0 2.28 %
XMax 13.75 mm
Le 1.7 mH
Rms 12.75 Kg/s Efficiency
Bandwidth 97.0


Net weight 14.2 Kg
Overall Diameter 540 mm
Overall Depth 275 mm
Baffle Cut Diameter 491 mm
Mounting holes number 8
Mounting holes diameter 6.3 mm
Mounting bolt diameter 518 m


  • 1 Units in Stock