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System Performance

Frequency Response (-3dB) * 25 Hz – 150 Hz
Frequency Range (-10dB) 18 Hz – 150 Hz
Recommended High-Pass 20 Hz – with minimum 24 dB / octave (4th order) Butterworth slope
Nominal directivity (-6dB) Omni or cardioid
Recommended Crossover Frequency 90 Hz (acoustic, active, external DSP)
RMS handling capacity ** LF: 4000 W
Maximum SPL @ 1 Meter *** 143 dB ([WorxAudio] preset)

Transducers

Components LF: 18” (457.2mm) x 2
Nominal Impedance LF = 4 ohms, Self Powered

Physical

Enclosure Baltic birch plywood, engineered plastics, and aluminum frame
Finish Two-part spray catalyzed Polyurea coating on plywood
Grill 14-gauge (1.0 mm) perforated stainless steel, powder-coated finish, black
Environmental Outdoor Use
Connectors Weather Resistant Gland Nut w/ 16 ft cable
Suspension/Mounting Internal bracket w/ threaded .375” Flying points (x17)
Dimensions 22.5” H x 48” W x 30.0” D (571.5 mm x 1,219.2 mm x 762 mm)
Net Weight 285 lb. (129.27 kg)
Shipping Weight 295 lb. (133.80 kg) - approximate with carton
Product Versions S-TL218SS

Footnotes

* Frequency response and range measured on-axis with anechoic environment.
** Power handling tested using pink noise filtered to meet IEC 268-5, 6 dB crest factor, 100 hours, with recommended EQ.
*** Peak level measured at 1m under free field conditions using 10 dB crest factor pink noise with specified ([WorxAudio] preset) and corresponding EQ settings.