Bi6-SUB Architectural specifications

The loudspeaker shall consist of a 18" long excursion low frequency driver with ferrite magnet in bass-reflex design.
The loudspeaker shall only be operated by a dedicated, compatible controller amplifier.

The cabinet enclosure shall be made from marine plywood with an impact resistant black paint finish.
Special colors according to RAL table and a weather resistant option shall be available upon request.
The drivers shall be protected by a rigid metal grill backed by an acoustically transparent foam.
Four rubber feet shall be incorporated in the bottom panel to prevent the cabinet from movement and four corresponding recesses in the top panel shall be incorporated to prevent movement of stacked cabinets.

The connection panel on the back shall be recessed and fitted with two speakon NL4 M sockets and a two pole screw terminal block. A cover plate for protection of the connection panel shall be included.

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 37 Hz to 140 Hz with a maximum sound pressure of at least 134 dB.
In addition a infra setup shall be provided with the upper operating frequency reduced down to 80 Hz to supplement full-range systems.

The dimensions (WxHxD) shall not exceed 580 x 490 x 700 mm (22.8" x 19.3" x 27.5") and shall weigh no more than 38 kg (84 lb).

The loudspeaker shall be the Bi6-SUB by: d&b audiotechnik GmbH & Co. KG.