21-inch Cinema Subwoofer

QSC SB-15121

QSC SB-15121
QSC SB-15121
Features
  • 1500 W, 21-inch transducer
  • Frequency range extends to below 25 Hz without the need for B6 EQ filters
  • DCP, DCM and SF-3 signal processors optionally available
Introduction
Specifications
SPECIFICATIONS

System Type

21" subwoofer

Frequency Rangeat -10 dB (Hz) 1

23.8 Hz - 100 Hz

Peak Output2

137 dB

Nominal Impedance

Rated Noise Power3

2500 W RMS

Sensitivity4

99 dB

Driver Information

21" (533 mm)
high efficiency
subwoofer transducer
featuring a vented
6" (153 mm) copper
voice coil on
a fiberglass former.

Dimensions (HWD) inches

48.8 x 30 x 24

Dimensions (HWD) mm

1238 x 762 x 610

Weight

231 lb / 105 kg

CONTACT US
Let us follow up
with you
Our office hours are 9:30am-5:30pm weekdays — please drop by, call us or fill in the contact form so we can reply to you shortly.

Magna-Tech Electronic Co., Inc.
329 Palermo Ave. 1st Floor
Coral Gables, FL 33134-6601 USA
Phone: (305) 573-7339
Fax: (305) 573-8101
E-mail:
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