Eighteen Sound

18ND9300

Eighteen Sound
18" EXTENDED LOW FREQUENCY NEODYMIUM WOOFER

1,000 WATTS AES, 9.5MM XMAX FOR CLEAN BASS & LIGHTWEIGHT NEO MAGNET!

Eighteen Sound 18ND9300 18" Woofer

 

Item Price: $495.00

WOOFER MODEL

18ND9300

Specifications

Diameter

18" / 460mm

Impedance

8 ohms

Minimum Impedance 

7 ohms @ 4.0 khz

D.C. Resistance 5.3 ohms
AES Power Rating 1,000 Watts
Program Power  1.400 Watts-2db above 50% duty cycle
Peak Power 7,000 Watts
Sensitivity (1W/1m) 98dB SPL

Frequency Response

28Hz - 2.5kHz

Recommended Crossover 500Hz
Voice Coil Diameter 4" / 100mm
BL Factor 24.4 TM
Recommended Enclosure Volume 3.53-10.6 cu. ft / 100-300Liters
Magnet Neodymium

Mounting Information

Overall Diameter 18.19" / 462mm
Bolt Circle Diameter 17.24"-17.32" / 438-440mm
Baffle Cutout Diameter 16.38" / 416mm
No. Of Mounting Holes 8
Overall Depth 8.8" / 223.5mm
Flange & Gasket Thickness 1.02" / 26mm
Net Weight 16.78 lbs. / 7.6 kg.
Shipping Weight 19.78 lbs. / 9.0 kg.

Thiele-Small Parameters

Resonant Frequency (fs) 30 Hz
Impedance (Re) 5 ohms
Coil Inductance (Le) 2.02mH
Mechanical Q (Qms) 7.86
Electrical Factor(Qes) .29
Total Q (Qts) .28
Comp. Equivelant Vol. (Vas) 11.16 ft3 / 316 Liters
Voice Coil Overhang (Xmax) 9.5mm
Surface Area of Cone (Sd)m2 0.1225m2

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