Ciare Italian Speakers

NDH18-4S-4 - 18" LIGHTWEIGHT SUBWOOFER SPEAKER

THE CIARE NDH18-4S-4 HAS A LIGHTWEIGHT 18" SUBWOOFER SPEAKER HAS A HIGH 11.5MM XMAX FOR A VERY STRONG BASS!

Ciare NDH18-4S-4

4 OHMS

Item Price: $439.95

Coming July 2022

SPEAKER MODEL

NDH18-4S-4

SPECIFICATIONS

Nominal Basket Diameter

18" / 450mm

Impedance

4 ohms

AES Power Rating

1,000 Watts

Program Power 2,000 Watts

Frequency Response

30Hz - 200Hz

Sensitivity (1W/1m)

100.5dB SPL

Voice Coil Diameter

4" / 100mm

Gap Height 14mm
Voice Coil Length 1.18" / 30mm

MOUNTING INFORMATION

Overall Diameter 18.1" / 460mm
Bolt Circle Diameter 17.32" / 440mm
Baffle Cutout Diameter 16.38" / 416mm
Depth 8.15" / 207mm
No. Of Mounting Holes 8
Mounting Hole Diameter .28" / 7mm
Net Weight 19.8 lbs./ 9 kg.

MATERIALS

Basket Die-Cast Aluminum
Cone Treated Cellulose
Cone Shape Straight
Suspension Material Nomex Fabric
Surround Shape Three Rolls
Voice Coil Copper
Voice Coil Former Fiberglass
Connection Type Faston
Magnet Neodymium

  THIELE-SMALL PARAMETERS

Resonant Frequency (fs)

31 Hz
Impedance (Re) 3.0 ohms
Coil Inductance (Le) 1.7mH
Electrical Factor (Qes) .25
Mechanical Q (Qms) 9.8
Total Q (Qts) .25
Compliance Equiv. Vol. (Vas) 240 Liters/8.48 cu. ft.
Voice Coil Overhang (Xmax) 11.5mm
BL Factor 22.2 T-M
Diaphragm Mass (Mms) 216 Grams
Surface Area of Cone (Sd)m2 0.1164m2
Reference Efficiency 2.6%
Frequency Response
Ciare NDH18-4S-4 Frequency
Impedance Curve
Ciare NDH18-4S-4 Impedance
Drawing
Ciare NDH18-44 Drawing

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