Vi8 Architectural specifications The 3-way dipolar, passive loudspeaker shall consist of two 10" low frequency driver with a neodymium magnet assembly, one 8" mid range driver and two 1.4" exit neodymium compression drivers with 2.5" diaphragms mounted to a dedicated wave shaping device and a passive crossover network. The loudspeaker shall only be operated by a dedicated, compatible controller amplifier. The cabinet enclosure shall be made 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 foam. The cabinet shall incorporate two recessed grips at the rear bottom. The cabinet shall incorporate a three point rigging system for the assembly of vertical line source arrays of up to 24 cabinets in conjunction with a dedicated flying frame. The connection panel on the back shall be recessed and fitted with two speakon NL4 M sockets or fixed cable gland as an option. The loudspeaker shall have a nominal horizontal dispersion angle of 80°. The vertical dispersion angle of the assembled array shall be determined by the geometry of the splay angles between the cabinets, which shall be adjustable in a range of 0° to 14° in 1° increments. The power handling capacity shall be 500 W RMS and 2000 W peak (10 ms). The frequency response (–5 dB) measured on axis shall be 67 Hz to 18 kHz with a maximum sound pressure of at least 139 dB. The dimensions (WxHxD) shall not exceed 700 x 310 x 406 mm (27.5" x 12.2" x 18") and shall weigh no more than 34 kg (75 lb). The loudspeaker shall be the Vi8 by: d&b audiotechnik GmbH & Co. KG.