
Specifications
Certifications
Safety Agency
CE Compliant
General Specifications
Nominal Diameter
18 inch / 457 mm
Rated Impedance
8 ohm
Minimum Impedance
5.9 ohm
Program Power
1800 W
Power Handling Capacity
900 W
Sensitivity
98.0 dB
Frequency Range
30 - 1000 Hz
Effective Piston Diameter
395 mm / 15.55 inch
Max. Excursion Before Damage
50 mm / 1.97 inch
Voice Coil Diameter
4.0 inch / 102 mm
Voice Coil Winding Material
Copper
Voice Coil Length
23 mm / 0.91 inch
Number Of Layers
2
Kind Of Layers
Inside/Outside
Top Plate Thickness
12 mm / 0.47 inch
Cone Design
Straight
Surround Material
Polycotton
Surround Design
Triple Roll
Magnets
Ceramic
Spider
Dual With Silicon Based Damping Control
Thiele-Small Parameters
Resonance Frequency (Fs)
33 Hz
DC Resistance (Re)
4.80 ohm
Mechanical Factor (Qms)
7.60
Electrical Factor (Qes)
0.30
Total Factor (Qts)
0.29
Bl Factor
24.60 T x m
Effective Moving Mass (Mms)
182.0 g
Equivalent Air Volume (Vas)
268.0 liters
Effective Piston Area (Sd)
0.120 m2
Max. Linear Excursion (Xmax)
9 mm
Voice Coil Inductance @ 1kHz (Le1k)
1.80 mH
Half-Space Efficiency (Eff)
3.09%
Dimensions
Height
208 mm / 8.19 inch
Diameter
465 mm / 18.31 inch
Overall Diameter
465 mm / 18.31 inch
Bolt Circle Diameter
442-447 mm / 17.4-17.6 inch
Bolt Hole Diameter
7 mm / 0.28 inch
Front Mount Baffle Cut-Out
424 mm / 16.69 inch
Rear Mount Baffle Cut-Out
424 mm / 16.69 inch
Volume Occupied By Driver
6 liters / 0.24 ft3
Weight
Product Weight
13 kg / 28.66 lbs
Shipping
Package Height
260 mm / 10.24 inch
Package Width
500 mm / 19.69 inch
Package Depth
520 mm / 20.47 inch
Package Weight
15 kg / 33.07 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.