Cinema loudspeaker user manual 21 " subwoofer sb-15121 *td-000294-00* td-000294-00-a.
1 2 warranty (usa only; other countries, see your dealer or distributor) disclaimer qsc audio products, llc is not liable for any damage to amplifiers or any other equipment that is caused by negligence or improper installation and/ or use of this loudspeaker product. Qsc audio products 3-year limit...
1 2 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. The massive ...
3 4 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 consi...
3 4 specifications sb-15121 frequency range -6 db half space 23.8 hz – 250 hz -10 db half space 21.5 hz – 250 hz maximum output calculated peak at rated power 137 db spl 1 meter, half space, at rated rms power with 6 db crest factor pink noise input, 40 hz – 100 hz calculated maximum continuous 131 ...
5 6 dimensions 24.0" (610 mm) 30.0" (762 mm) 48.8" (1238 mm) .8" (19 mm) 14.9" (308 mm) 5.1" (128 mm) 25.7" (652 mm) 7.1" (180 mm) top front right frequency (hertz) impedance ohms sp l (db) impedance spl 2 pl (half space) spl and impedance vs. Frequency.
5 6 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 facsimil...
Passionate about sound.
