ShowMatch™ SMS118 DeltaQ™ array subwoofer
2Pages

TECHNICAL DATA ShowMatch™ SMS118 DeltaQ™ array subwoofer Product Overview Bose ShowMatch™ SMS118 subwoofer is designed primarily to integrate with DeltaQ™ array loudspeakers and extend lowfrequency response down to 29 Hz. The SMS118 enclosure width and integrated rigging allows fast integration in arrays with ShowMatch full-range modules using optional array frames and accessories. The portable-rated Baltic birch enclosure may also be used for ground-stack applications and includes an integrated mounting-pole adapter for use with other mid/high loudspeakers. Key Features • eltaQ™ technology – defines the next-generation in loudspeaker array design with selectable coverage patterns that more D precisely direct sound to audience areas for improved sound quality and vocal clarity with fewer boxes versus line arrays. • howMatch™ companion 1x 18” subwoofer – for low-frequency extension down to 29 Hz with mixed mid/high and subwoofer S ShowMatch arrays • ose LF18 neodymium 18-inch, high-excursion, 4.5-inch voice coil, transducer provides maximum performance (same B transducer as in Bose RMS218) • ntegrated 4-point “quick pin” rigging – allows arrays of up to 18 subwoofers with 10:1 design factor I • ront-grill mounted NL4 input, plus rear NL4 inputs – allow easy setup for “reversed-box” cardioid arrays F • ntegrated pole-cup adapter – allows use with other mid/high loudspeakers and accessory mounting poles I • emovable side guards – provide rigging guard for portable applications. Easily removed for permanent installs to reduce R width and improve sight lines Technical Specifications SINGLE MODULE PERFORMANCE Frequency Response (-3 dB) (1) Recommended High-Pass Protection Filter 30 Hz with minimum 12-dB / octave filter Nominal Coverage Pattern omni with cardioid array configuations Recommended Crossover 60-100 Hz (requires active crossover in DSP) Bose extended-lifecycle test (4) Array (free field) Power Handling, long-term continuous Power Handling, peak Ground Stack (half space) Array (free field) Ground Stack (half space) 1250 W Calculated Maximum SPL @ 1 m, peak TRANSDUCERS Low Frequency Nominal Impedance 1 x Bose LF18 neodymium 18-inch, high-excursion woofer (4.5-inch voice coil) 4 ohms PHYSICAL Enclosure Material Finish Grill Environmental Connectors Baltic birch plywood Two-part spray polyurethane coating, black 16-gauge (1.5 mm) perforated steel, powder-coated finish, black IPx4 2 x Neutrik® NL4 on rear, 1x NL4 front-grill mounted; all wired parallel Suspension / Mounting 4-point “quick pin” rigging; 4x M10 top and 4x M10 bottom inserts; M20 pole cup 21.2” x30.1” x30.5” (540 x 765 x 775 mm) / W: XX side guards removed Net Weight Shipping Weight Accessories

TECHNICAL DATA ShowMatch™ SMS18 DeltaQ™ array subwoofer Mechanical Diagrams Footnotes (1) Frequency response and range measured on-axis in an anechoic environment, with recommended bandpass and EQ. (2) Sensitivity measured with indicated boundary conditions, recommended bandpass and EQ, referenced to 1W/m. (3) Maximum SPL calculated from sensitivity and power handling specifications, exclusive of power compression. (4) Bose extended-lifecycle test using pink noise filtered to IEC268-5, 6-dB crest factor, 500-hour, full-power duration. (5) AES standard component power handling test: pink...