Specifications:

System -

Frequency Range (-10 dB): 24.3 Hz - 300 Hz

Frequency Response (±3 dB): 32.5 Hz - 300 Hz

Recommended Bandpass: 24 Hz - 120 Hz

System Input Power Rating: LF: 2000 W Continuous, 8000 W Peak (AES / 2 hour)

Maximum Peak Output: 136 dB SPL (LF) half space conditions

Recommended Amplification: LF: 3400 - 4000 W into 8 ohms

Recommended Signal Processing: Crown®I-Tech HD power amplification VTX F Series presets available for download at www.jblpro.com

Transducers - 

Low Frequency : One 2269H, 460 mm (18 in) dia.,100 mm (4 in) dual voice coil, dual neodymium magnet, Differential Drive®, Direct Cooled™

Bandpass Nominal Impedance : 8 ohms

Input Power Rating : 2000 W Continuous, 8000 W Peak (AES / 2 hour) 1700 W Continuous, 6800 W Peak (100 hour)

Bandpass Sensitivity : 92 dB, 1W / 1m (2.83 Vrms at 3.3 ft)

Enclosure -

Construction : Front-loaded single 18" subwoofer; 18 mm, 11-ply Baltic birch plywood; black DuraFlex™ finish.

Suspension : 4 x integral recessed handles; 4 x protective feet and stacking recesses; 16 x M10 mount points; Optional extension rod (SS5-BK) available

Grille : Powder coated 14 gauge hex-perforation steel with acoustically transparent black cloth backing

Rear Input Connectors : Neutrik® Speakon® NL-4 (2x) Pins 1+/- LF, Pin 2+/- Pass-thru Neutrik® Speakon® NL-8 (2x) Pins 1+/- LF, Pin 2+/-, 3+/-, 4+/- Pass-thru

Front Panel Input Connector : Neutrik® Speako® NL-4 (1x) (for reverse-cardioid operation) Pins 1+/- (LF), Pin 2+/- (pass-thru)

Dimensions (H x W x D) : 640.1 x 548.6 x 713.7 mm (25.2 x 21.6 x 28.1 inches)

Net Weight : 45.4 kg (100 lb)

Shipping Weight : 51.7 kg (114 lb)

Optional Accessories - 

SS5-BK : Adjustable extension rod with M20 thread for attachment to VTX F18S; hand crank height adjustment; patented expanding mandrel system for secure vibration free attachment to F18S using either integral pole mount socket or optional UB universal bracket accessory