KSLi-SUB  Architectural specifications

The subwoofer system shall incorporate 3 x 15" neodymium LF drivers, two forward and one rear facing driver to produce a cardioid dispersion patterns. The front and rear drivers of the subwoofer shall be driven by separate channels of a dedicated and compatible amplifier, containing loudspeaker specific configurations and algorithms to provide cardioid behavior. The subwoofer shall exhibit extremely low power compression using very large vents.
The enclosure shall be constructed from marine plywood with an impact resistant and weather protecting PCP (Polyurea Cabinet Protection) finish. The cabinet front shall be protected by a perforated steel grill backed with an acoustically transparent foam. Four rubber feet shall be provided to prevent cabinet movement and protect the bottom panel against scratching. Correspondingly shaped recesses shall be provided in the top panel of the cabinets to prevent cabinet movement when stacking. The cabinet shall incorporate a three point rigging and shall be capable of suspending the subwoofer as pure SUB column or in mixed arrays with dedicated TOP cabinets below the SUB cabinets. A vertical splay of 2° between the front of adjacent SUB cabinets shall be mechanically adjustable.
Each side panel shall incorporate two slots to accept dedicated lifting pins (T-handles) acting as a temporary lifting aid during setup.
The power handling of the forward elements shall be 900/3500 W while the power handling of rear facing element shall be 500/2000 W (RMS/peak 10 ms).
The frequency response (–5 dB) measured on axis shall extend from 36 Hz - 105 Hz in standard mode and from 33 Hz - 75 Hz in INFRA mode with a maximum sound pressure level (SPLmax peak/1 m) of at least 139 dB.
The connection panel on the back shall be recessed and fitted with one speakON NLT4 F socket. A 4-pin Phoenix Euroblock connector option shall be available upon request.
The dimensions (W x H x D) shall not exceed 1000 x 450 x 900 mm (39.4" x 17.7" x 35.4") and shall weigh no more than 82 kg (181 lb).

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