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The 18XB1300 ferrite bass loudspeaker is specially designed to deliver very high impact bass response, with exceptional high power capacity. It incorporates a 4" sandwich voice coil, double silicone spider assembly, carbon-paper cone and die cast vented aluminium frame. Powerful, vented ferrite magnetic structure with double demodulating rings which reduced power compression. The result is high efficient transducer for subwoofer applications, with the ability to handle very high excursion with low distortion and reduced thermal power compression.
Nominal Diameter 18"/461 inch/mm
Impedance 8 Ohm
Minimum Impedance 7.02 Ohm
Power Capacity AES ¹ 1300 W
Program Power ² 2600 W
Sensitivity (50-200 Hz) 97.5 dB/W/m
Frequency Range 35 - 1000 Hz
Voice Coil Diameter 100 mm
Voice Coil Material Copper
Voice Coil Former Glassfibre
Voice Coil Winding Depth 31 mm
Magnet Gap Depth 14 mm
Cone Material Carbone paper
Basket Die cast aluminium
Magnet Ferrite
Flux Density 1.00 T
Thiele Small Parameters:
Resonance Frequency 35.16 Hz
Mechanical Efficiency Factor (Qms) 9.56
Electrical Efficiency Factor (Qes) 0.296
Total Q (Qts) 0.287
Equivalent Air Volume (Vas ) 170.92 Litres
Diaphragm mass ind. airload (Mms) 206.35 grams
Voice Coil Resistance Re 5.20 Ohms
Effective Diagram Area (Sd) 1158 cm2
Peak Linear Displacement of Diaphragm (Xmax)* ± 11.5 mm
Mechanical Compliance of Suspension (Cms) 0.0993 mm/N
