SB-15121 Cinema Loudspeaker User Manual 21" Subwoofer TD-000294-00-A *TD-000294-00*
IMPORTANT SAFETY PRECAUTIONS AND EXPLANATION OF SYMBOLS WARNING! Before placing, installing, rigging, or suspending any speaker product, inspect all hardware, suspension, cabinets, transducers, brackets and associated equipment for damage. Any missing, corroded, deformed or non-load rated component could significantly reduce the strength of the installation, placement, or array. Any such condition severely reduces the safety of the installation and should be immediately corrected.
Introduction Part of the DCS Digital Cinema Speaker Series, QSC’s SB-15121 subwoofer offers the highest performance available for cinema subwoofer applications. It is designed for use in premiere cinemas and post-production applications where the ultimate in performance is required.
Connections Normal Connection The SB-15121 has barrier strip screw terminals for connection. The terminals accept up to #10 AWG stranded loudspeaker wiring. Use the largest wire size and shortest wire length possible for a given installation. Observe the polarity markings and keep polarity consistent throughout the system for best performance. Amplifier capable of driving 4Ω loads Parallel Connection of Second SB-15121 The terminals marked SPK2 may be used to connect another SB-15121 in parallel.
Specifications SB-15121 Frequency Range -6 dB half space 23.8 Hz – 250 Hz -10 dB half space 21.
SPL and Impedance vs. Frequency SPL (dB) Impedance Ohms SPL 2 pl (half space) Impedance Frequency (Hertz) Dimensions 24.0" (610 mm) Top 14.9" (308 mm) 30.0" (762 mm) 5.1" (128 mm) 7.1" (180 mm) 48.8" (1238 mm) 25.7" (652 mm) Front .
Mailing Address: QSC Audio Products, LLC 1675 MacArthur Boulevard Costa Mesa, CA 92626-1468 USA Telephone Numbers: Main Number: (714) 754-6175 Sales & Marketing: (714) 957-7100 or toll free (USA only) (800) 854-4079 Customer Service: (714) 957-7150 or toll free (USA only) (800) 772-2834 Facsimile Numbers: Sales & Marketing FAX: (714) 754-6174 Customer Service FAX: (714) 754-6173 World Wide Web: www.qscaudio.com E-mail: info@qscaudio.com service@qscaudio.com © 2009 QSC Audio Products, LLC.
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