Martin Audio Wavefront Precision WPL 3-Way Line Array Element
WPL is the largest Wavefront Precision element, the box you hang when the throw is long and the crowd is big. Two 12" ultra-long-excursion neodymium drivers work into a Hybrid bass horn for output down to 52Hz, two horn-loaded 6.5" mid drivers cover the midband, and three 1" exit compression drivers take the top, producing 145dB peak in the HF section.
Each cabinet is a 3.75 degree vertical trapezoid with a 7.5 degree vertical pattern and 90 degrees horizontal, so arrays of up to 24 boxes stay coherent across a stadium-scale audience. One or two enclosures share a bi-amp channel pair on an iKON iK42, which is what gives Wavefront Precision its per-box array control. The birch and poplar ply enclosure is IP54 rated and tested to MIL-STD-810H, with a three-point rigging system, four side pocket handles, and black or white paint with a matching grille.
| Type | Three-way, bi-amp line array element |
|---|---|
| Frequency Response | 52Hz - 18kHz +/- 3dB |
| LF Drivers | 2 x 12" (300mm) neodymium, Hybrid bass horn loaded |
| MF / HF Drivers | 2 x 6.5" horn-loaded MF, 3 x 1" exit compression HF |
| Rated Power | LF 800W AES / 3200W peak, MF-HF 500W AES / 2000W peak |
| Maximum SPL | LF 139dB, MF 140dB, HF 145dB |
| Dispersion | 90 deg horizontal (-6dB), 7.5 deg vertical |
| Crossover | 320Hz active, 4kHz internal passive |
| Flown Array Maximum | 24 enclosures in a single array |
| Dimensions / Weight | 1136 x 371 x 526 mm (44.7 x 14.6 x 20.7 in), 64kg (141lbs) |













