
Specifications
General Specifications
Nominal Diameter
18" / 457 mm
Rated Impedance
8 ohm
Minimum Impedance
6.0 ohm
Program Power
3000 W
Power Handling Capacity
1500 W
Sensitivity
97.0 dB
Frequency Range
25 - 1000 Hz
Effective Piston Diameter
395 mm / 15.55"
Max. Excursion Before Damage
58 mm / 2.28"
Voice Coil Diameter
4.0" / 102 mm
Voice Coil Winding Material
Copper
Voice Coil Length
38 mm / 1.5"
Number Of Layers
2
Kind Of Layers
Inside/Outside
Top Plate Thickness
15 mm / 0.59"
Cone Design
Curved
Surround Material
Polycotton
Surround Design
Triple Roll
Magnets
Neodymium
Hypervented Magnetic Structure
Yes
Demodulation Ring
Yes
Demodulation Rings Material
Aluminum
Number Of Demodulation Rings
2
Spider
Single
Thiele-Small Parameters
Resonance Frequency (Fs)
30 Hz
DC Resistance (Re)
4.30 ohm
Mechanical Factor (Qms)
3.60 Qms
Electrical Factor (Qes)
0.36 Qes
Total Factor (Qts)
0.33 Qts
Bl Factor
25.70 T x m
Effective Moving Mass (Mms)
284.0 g
Equivalent Cas Air Loaded (Vas)
193.0 liters
Effective Piston Area (Sd)
0.122 m2
Max. Linear Excursion (Xmax)
15 mm
Voice Coil Inductance @ 1kHz (Le1k)
1.56 mH
Half-Space Efficiency (Eff)
1.57%
Dimensions
Height
223.5 mm / 8.8"
Diameter
465 mm / 18.31"
Cut Out Diameter
423 mm / 16.65"
Mounting Information
Overall Diameter
465 mm / 18.31"
Bolt Hole Diameter
7 mm / 0.28"
Front Mount Baffle Cut-Out
424 mm / 16.69"
Rear Mount Baffle Cut-Out
425 mm / 16.73"
Volume Occupied By The Driver
5.5 liters / 0.22 ft3
Weight
Product Weight
9 kg / 19.84 lbs
Certifications
Safety Agency
CE Compliant
Shipping
Package Height
270 mm / 10.63"
Package Width
520 mm / 20.47"
Package Depth
495 mm / 19.49"
Package Weight
10.2 kg / 22.49 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.