Ligwa - We Are Bass

Speaker Drivers
	GWA 12CX Nominal diameter . . . . . . . . . . . . . 305mm/12in Power rating1 . . . . . . . . . .. . . . . . . . . 250Wrms Nominal impedance. . . . . . . . . . . . . . . . . . . 8Ù Sensitivity2 . . . . . . . . . . . . . . . . . . . . . . 97dB Frequency range . . . . . . . . . .. . . . . . 40-4000Hz Voice coil diameter . . . . . . . . . . . 64mm/2.5in Chassis type. . . . . . . . . . . . Pressed steel Magnet type . . . . . . . . . . . . . . . . . . . . . Ferrite Magnet weight . . . . . . . . . . . . . . . . . 1.2kg/42oz Coil material . . . . . . . . .. . . . . . . Round copper Former material . . . . . . . . . . . . . . . . Polyimide Cone material . . . . . . . Kevlar loaded paper Surround material . . . . . . . . . . . Cloth-sealed Suspension . . . . . . . . . . . . . . . . . . . Single Xmax3. . . . . . . . . . . . . . . . . . . . 2.5mm/0.098in Gap depth . . . . . . .. . . . . . . . . . 8mm/0.31in Voice coil winding width . . . . . . 13mm/0.51in Small Signal Parameters D . . . . . . . . . . . . . . . . .. . . . . . . . . 0.26m/0.24in Fs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71.4Hz Mms . . . . . . . . . . . . . . . . . . . . . . 49.68g/1.75oz Mmd . . . . . . . . . . . . .. . . . . . . . . . 42.76g/1.51oz Qms . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . 3.824 Qes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.480 Qts . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . 0.426 Re . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.57Ù Vas . . . . . .. . . . . . . . . . . 39.91lt/1.41ft3 BI . . . . . . . . . . . . . .. . . . . . . . . . . . . . 16.08Tm Cms . . . . . . . . . . . . . . . . . . . . . . . 0.10mm/N Rms . . . . . . . . . . . . . . . . . . . . . . . . . . 5.83kg/s Le (at 1kHz). . . . . . . . . . . . . . . . . . . . . . . 0.23mH General Specifications: HF Power rating1. . . . . . . . . . . . . . . . . . . . 75Wrms Nominal impedance. .. . . . . . . . . . . . . . . . . . 8Ù Sensitivity2 . . . . . . . . . . . . . . . . . . . . . . . . . 110dB Frequency range. . . . . . . . . . . . 1200-18,000Hz Recommended min. crossover (12dB/oct) . . . . . 2200Hz Voice coil diameter . . . . . . . . . 45mm/1.75in Magnet type. . . .. . . . . . . . . . . . Neodymium Diaphragm and surround material . . . PETP film Mounting Information Overall diameter . . . . . . . . . 309mm/12.2in Overall depth . . . . . . . . . . . . . . 172mm/6.77in Cut-out diameter . . . . . . . . . . 286mm/11.20in Mounting slot dimensions . . . ø 7.9mm/0.31in Number of mounting slots. . . . . . . . . . . . . . . . 4 Mounting PCD range . . . . . . . 297mm/11.69in Unit weight . . . . . . . . . . . . . 4.6kg/10.1lb Frequency Response and Impedance Curves Features • 12" coaxial loudspeaker with 40-18,000Hz response • 250Wrms (AES standard) power handling and 97dB sensitivity • 2.5" high temperature copper voice coil wound on polyimide for increased reliability • Robust and reliable pressed steel frame ferrite magnet LF driver • Compact, lightweight neodymium compression driver - 80º nominal coverage
	GWA 18 18” ferrite subwoofer offers 1000Wrms (AES) continuous power handling and a frequency response of 30Hz-2500kHz 4” high temperature Inside/Outside voice coil efficiently dissipates heat, preventing sensitivity loss through thermal compression Double suspension and a “multi-roll” surround provide exceptional linearity at extremes of cone excursion Intelligent heat management in both chassis and magnet assembly design further minimizes distortion Less than 10kg – very low weight for this product class
	GWA 21 Nominal diameter . . .. . . . . . . . 530mm/21in Power rating1 . . . . . . . . . . . . . . . . . 1600Wrms Nominal impedance . . . . .. . . . . . . . . . . . . . 8Ù Sensitivity2 . . . . . . . . . . . . . . . . . . . . . . . . . 98dB Frequency range. . . . . . . . . . . . . . . 30-3000Hz Voice coil diameter . . . . . . . . . . . 125mm/5in Chassis type . . . . . . . . . . . . . . . Cast aluminium Magnet type . . . . . . . . . . . . . . . . . Neodymium Coil material. . . . . . . . . . . . . . . Round copper Former material. . . . . . . . . . . . . . . . Glass fibre Cone material . . Carbon fibre loaded paper Surround material . . . . . . . . . . . . Cloth-sealed Suspension . . . . . . . . . . . . . . . . . . . . . . . Double Xmax3. . . . . . . . . .. . . . . . . . . . . . . . . 9mm/0.35in Gap depth. . . . . . . . . . . . . . . . . . . 12mm/0.47in Voice coil winding width . . . . . 30mm/1.18in Small Signal Parameters D . . . . . . . . . . . . . . . .. . . . . . . . . 0.54m/21.26in Fs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29.8Hz Mms . . . . . . . . . . . . . . . . . . . . 320.71g/11.32oz Mmd . . . . . . . . . . . . . . . . . . . . . 282.38g/9.97oz Qms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.018 Qes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.306 Qts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.292 Re . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.53Ù Vas . . . . . . . . . . . . . . . . . . . . 347.115lt/12.25ft3 BI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32.93Tm Cms . . . . . . . . . . . . . . . . . . . . . . . . . 0.089mm/N Rms. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.986Kg/s Le (at 1kHz). . . . . . . . . . . . . . . . . . . . . 2.063mH Mounting Information Overall diameter . . . . . . . . . . 550mm/21.65in Overall depth . . . . . . . . . . . . . . . . 254mm/10in Cut-out diameter . . . . . . . . . . 492mm/19.37in Mounting slot dimensions 12.5mm x 8.5mm/0.49in x 0.33in Number of mounting slots . . . . . . . . . . . . . . . 8 Mounting slot PCD range. . 520-528mm/20.5-20.8in Unit weight . . . . . . . . . . . . . . . . . . . 12.8kg/8.8lb Packed Dimensions & Weight Single pack size W x D x H . . . . 575mm x 575mm x 280mm. . . . . /22.6in x 22.6in x11.0in Single pack weight. . . . . . . . . . . . 13.2kg/29lb Frequency Response and Impedance Curves • 21" neodymium subwoofer offers 1600Wrms (AES standard) power handling and 98dB sensitivity • 5" high temperature Inside/Outside voice coil efficiently dissipates heat, preventing sensitivity loss through thermal compression • Double suspension and a "multi-roll" surround provide exceptional linearity at extremes of cone excursion • Rigid lightweight carbon fibre loaded cone delivers improved performance and faster response • Intelligent heat management in both chassis and magnet assembly design further minimizes distortion