● High power handling and low distortion 18” subwoofer
● Exclusive Malt Cross® Technology Cooling System
● Low power compression losses
● High sensitivity: 98 dB (1W / 1m)
● FEA optimized ceramic magnetic circuit
● Ultra low air noise
● Optimized linear behaviour

● Weatherproof cone with treatment for both sides
● 3,5” DUO in/out copper voice coil
● Extended controlled displacement: Xmax ± 11 mm
● 51 mm peak-to-peak excursion before damage
● Optimized for direct radiation and band-pass subwoofer
applications

Technical Specifications:

Nominal diameter - 460 mm 18 in Rated impedance - 8 Ohm Minimum impedance - 7,2 OHM Power capacity 1 - 1.000 WAES Program power 2 - 2.000 W Sensitivity - 98 dB 1W / 1m @ ZN Frequency range - 35 - 1.000 Hz Recom. enclosure - Vb = 174 l (Bass-reflex design) - Fb = 37 Hz Voice coil diameter - 88,9 mm Bl factor - 23,8 N/A Moving mass - 0,196 kg Voice coil length - 27 mm Air gap height - 12 mm Xdamage (peak to peak) - 51 mm

Thiele Small Parameters:

Resonant frequency, fs - 34 Hz D.C. Voice coil resistance, Re - 5,4 Ω Mechanical Quality Factor, Qms - 7,3 Electrical Quality Factor, Qes - 0,39 Total Quality Factor, Qts - 0,38 Equivalent Air Volume to Cms, Vas - 250 l Mechanical Compliance, Cms - 111 µm / N Mechanical Resistance, Rms - 5,7 kg / s Efficiency, η0 - 2,4 % Effective Surface Area, Sd - 0,1255 m2 Maximum Displacement, Xmax 4 - 11 mm Displacement Volume, Vd - 1380 cm3 Voice Coil Inductance, Le - 1,9 mH