CIARE NDH 18-4S 18"NEO 1000 watt SUB-WOOFER 8ohm

2000 Watt Max Power
100 mm (4 in) voice coil, copper wire
Double spider for improved control and linearity
Neodymium magnet assembly
Interleaved sandwich voice coil
Weather protected membrane for outdoor use
Ventilated voice coil and magnet circuit for improved heat dissipation
Demodulating ring for lower distorsion

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 18-4S

note: Price includes VAT

General Specifications
Nominal Diameter 18" - 450 mm
Nominal Impendance 8 Ohm
Nominal Rdc 5,8 Ohm ±0,4 Ohm
Power handling (AES) (*) 1000 Watt
Max Power 2000 Watt
Voice Coil Diameter 100 mm 4,00 in
S.P.L. (1w, 1m) 97 dB ±1,5 dB
Nominal Fs 37 Hz ±4 Hz
Flux Density 1,25 T ±0,08 T
Frequency Range 30-500 Hz
Sinusoidal Test Voltage 20 V

Thiele-small parameters
Qms 12,09
Qes 0,40
Qts 0,39
Fs 39,40 Hz
Re 5,99 Ohm
Mms 219,72 g
Cms 0,07 mm/N
Bl 28,47 T*m
Sd 1164,00 cm2
Vas 141,16 liter
u0 2,07 %
XMax 11,5 mm
Le 1,21 mH
Rms 4,50 Kg/s
Efficiency Bandwidth 98,20


Weight 9 kg
Overall Diameter 460 mm
Overall Depth 207 mm
Baffle Cut Diameter 416 mm
Mounting holes number 8
Mounting holes diameter 7 mm
Mounting bolt diameter 440 mm