
Specifications
General Specifications
Nominal Diameter
18" / 457 mm
Rated Impedance
8 ohm
Minimum Impedance
6.3 ohm
Program Power
2400 W
Power Handling Capacity
1200 W
Sensitivity
98.0 dB
Frequency Range
30 - 1000 Hz
Effective Piston Diameter
395 mm / 15.55"
Max. Excursion Before Damage
52 mm / 2.05"
Voice Coil Diameter
4.0" / 102 mm
Voice Coil Winding Material
Copper
Voice Coil Length
25 mm / 0.98"
Number Of Layers
2
Kind Of Layers
Inside/Outside
Top Plate Thickness
15 mm / 0.59"
Cone Design
Straight
Surround Material
Polycotton
Surround Design
Triple Roll
Magnets
Neodymium
Dual-Force Air Ventilation
Yes
Spider
02
Thiele-Small Parameters
Resonance Frequency (Fs)
32 Hz
DC Resistance (Re)
5.10 ohm
Mechanical Factor (Qms)
6.50
Electrical Factor (Qes)
0.27
Total Factor (Qts)
0.26
Bl Factor
27.80 T x m
Effective Moving Mass (Mms)
201.0 g
Equivalent Air Volume (Vas)
257.0 liters
Effective Piston Area (Sd)
0.120 m2
Max. Linear Excursion (Xmax)
9 mm
Voice Coil Inductance @ 1kHz (Le1k)
2.50 mH
Half-Space Efficiency (Eff)
3.01%
Dimensions
Height
204 mm / 8.03"
Diameter
465 mm / 18.31"
Overall Diameter
465 mm / 18.31"
Front Mount Baffle Cut-Out
424 mm / 16.69"
Rear Mount Baffle Cut-Out
424 mm / 16.69"
Bolt Circle Diameter
442-447 mm / 17.4-17.6"
Bolt Hole Diameter
7 mm / 0.28"
Volume Occupied By Driver
5.5 liters / 0.22 ft3
Weight
Unit Weight
9.5 kg / 20.94 lbs
Certifications
Safety Agency
CE Compliant
Shipping
Package Height
260 mm / 10.24"
Package Width
520 mm / 20.47"
Package Depth
500 mm / 19.69"
Package Weight
11.4 kg / 25.13 lbs
Why Choose SoundPro?
Since 1972, SoundPro has been the trusted source for audio, video, and lighting gear. Whether you're starting your AVL journey or are a seasoned professional, we're here to help you every step of the way.