B8-SUB Architectural specifications The B8-SUB shall be an actively driven, compact, high performance subwoofer. The cabinet shall consist two 6.5" LF driver with ferrite magnets in a 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 paint finish. The driver shall be protected by a rigid metal grill backed by an acoustically transparent foam. The cabinet shall incorporate one handle at the cabinet's rear. A M20 threaded insert shall be incorporated in the top panel to accept a loudspeaker stand and shall allow a maximum top load of 8 kg (17.6 lb). Four rubber feet shall be incorporated in the bottom panel to prevent the cabinet from movement and protect the bottom panel against scratching. Two M8 threaded inserts shall be are incorporated, one on each side panel to allow the attachment of dedicated flying or horizontal brackets. The connection panel on the back shall be integrated in the rear handle and fitted with speakon NLT4 F/M sockets. The power handling capacity shall be 200 W RMS and 800 W peak (10 ms). The frequency response (–5 dB) measured on axis shall be 43 Hz to 170 Hz with a maximum sound pressure of at least 122 dB. In addition a 100 Hz mode setup shall be provided with the upper operating frequency reduced down to 125 Hz to supplement applicable full-range systems. The dimensions (W x H x D) shall not exceed 440 x 170 x 580 mm (17.3" x 6.7" x 22.8") and shall weigh no more than 18 kg (39 lb). The loudspeaker shall be the B8-SUB by: d&b audiotechnik GmbH & Co. KG.