AL90 Architectural specifications

The 2-way bipolar, passive loudspeaker shall consist of two 10" neodymium LF drivers and one 1.4" exit HF compression driver with a 3" diaphragm mounted to a dedicated wave shaping device providing a nominal dispersion of 90° x 30° (h x v - horizontal setup) and a passive crossover network.
Broadband horizontal directivity control of 90° shall be maintained down to 370 Hz.
The loudspeaker shall only be operated by a dedicated, compatible controller amplifier.
The cabinet shall allow the deployment of either vertical columns or horizontal clusters of up to four cabinets in conjunction with a dedicated flying frame or flying adapter. Splay angles between adjacent cabinets shall be adjustable in a range from 20° to 40° in 5° increments resulting in a total coverage of 50° up to 70° for two cabinets, with a maximum total coverage of 150° per array.
The cabinet enclosure shall be constructed from marine plywood with an impact and weather protected PCP (Polyurea Cabinet Protection) finish.
The drivers shall be protected by a rigid metal grill backed by an acoustically transparent fabric.
The cabinet shall incorporate one handle in each side panel.
Three M10 threaded inserts shall be integrated in one side panel for the secure attachment of a dedicated flying adapter.
The connection panel on the back shall be recessed and fitted with speakon NLT4 F/M sockets (NL4 M shall be available as an option).
The power handling capacity shall be 400 W RMS and 1800 W peak (10 ms). The frequency response (–5 dB) measured on axis shall be 60 Hz to 18 kHz with a maximum sound pressure of at least 139 dB.
The dimensions (W x H x D) shall not exceed 700 x 322 x 356 mm (27.6" x 12.7" x 14") and shall weigh no more than 23 kg (50.7 lb).

The loudspeaker shall be the AL90 by: d&b audiotechnik GmbH & Co. KG.