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WL218-sw Specifications
Configuration: 2 x 18-inch (457mm) ported subwoofer
Transducers: 8 ohm, 18-inch (457mm) cone transducer with 4-inch (102mm) voice coil, ceramic magnet
Frequency Response
1
: 38 - 240 Hz (+/- 3 dB)
Frequency Range
2
: 31 - 1200 Hz (-10 dB)
Impedance: 4 ohms nominal (3.2 ohms minimum at 145 Hz)
Continuous Power Capacity
3
: 2000W (80V into 3.2 ohms)
Sensitivity (1W at 1m)
4
: 101 dB SPL
Maximum SPL (continuous/peak)
5
: 134/140 dB SPL at 39 inches (1m)
Enclosure Type: Ported, trapezoidal enclosure
Enclosure Material: Baltic birch plywood. 1.42-inch (36mm) baffle and sides, 0.59-inch (15mm) top and bottom
Finish: Polymer paint, water based
Grille: 14 gauge (0.074-inch) thick powder coated steel
Connectors: Two (2) NL4 in parallel, pins 1+/- sub. Pins 2+/- unused (may be reconfigured for use of 2+, 2-),
Factory wiring: Transducer 1: white to 1+, black to 1-. Transducer 2: orange to 1+, grey to 1-
Attachment Points: Integral, adjustable rigging system; splay adjustable at 0, 2,3,4,5,6,7,8,9,and 10 degrees
Weight: Without DB218-sw dolly board- Net: 206 lb (93.4 kg)
With DB218-sw dolly board- Net 236 lb (107.0 kg) Shipping: 251 lb (113.8 kg)
Working Load Limit Information:
Notes:
1 ±3dB relative to sensitivity, based upon half-space conditions, without external processing
2 -10dB relative to sensitivity, based upon half-space conditions, without external processing
3 40 to 400 Hz, 2 hours pink noise, 6dB crest factor, power defined as Vrms squared divided by minimum impedance
4 2 pi conditions averaged in the adjacent octave band below crossover frequency
5 Calculated using power capacity and sensitivity
Component Weight 5:1 Design Factor 7:1 Design Factor 10:1 Design Factor
WL218-sw Loudspeaker 206 lb (93.4 kg) 3400 lb(1540 kg) 2400 lb (1090 kg) 1700 lb (771 kg)