| { "Frequency Response" : [ "40 Hz - 120 Hz (-3 dB)", "30 Hz - 132 Hz (-10 dB)" ], "Max Peak SPL" : "130 dB", "Crossover Point" : "140 Hz", "Slope" : "2nd order HP, 6th order LP", "Woofer Diameter" : "18.0" (457 mm)", "Voice Coil Diameter" : "3.0" (76 mm)", "Cone Material" : "Paper", "Magnet" : "Ferrite", "Rated Power" : [ "600 watts RMS ", "1200 watts peak" ], "THD" : "< 1 %", "Cooling" : "Convection", "Design" : "Class D", "Input Type" : "Female XLR balanced", "Input Impedance" : "20 k ohms balanced, 20 k ohms unbalanced", "Output Type" : [ "Male XLR balanced, full range", "Male XLR balanced, high pass" ], "Power" : { "US Detachable Line Cord" : "100 – 120 VAC, 50 – 60 Hz, 150W", "EU Detachable Line Cord" : "220 – 240 VAC, 50 – 60 Hz, 150W", "AC Connector" : " 3-pin IEC 250 VAC, 10 A male", "Power Supply Type" : "Switchmode", "Operating Temperature" : "0 - 40° C", "Extended Ambient Temperature" : "32 - 104° F" }, "Input Protection" : "Peak and RMS limiting, power supply and amplifier thermal protection", "LED" : "Front and rear power ON, rear OL limiter", "Construction" : { "Cabinet Exterior" : " Grade 15 mm plywood", "Finish" : "Textured black catalyzed polyurethane paint" }, "Handles" : "One on each side", "Mounting" : [ "The Thump18S subwoofer is designed to sit on the floor or stage. ", "It is NOT designed to be pole-mounted or suspended. ", "The cabinet has no rigging points and is not suitable for rigging. Never attempt to suspend the Thump18S by its handles" ], "Dimensions" : "26.5 x 22.6 x 22.8" (672.0 x 573.0 x 580.0 mm)", "Weight" : "82.0 lb (37.2 kg)" } |