QSC SB-15121 21-inch Cinema Subwoofer

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QSC SB-15121 21-inch Cinema Subwoofer icon

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รหัส : SB-15121

ยี่ห้อ : QSC

รุ่น : QSC SB-15121 21-inch Cinema Subwoofer

ราคาปกติ : 170,000.00 บาท

รายละเอียดทั้งหมด :

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

Read the SB-15121 application note: covers the target applications of the SB-15121, as well as advantages and comparisons to other cinema subwoofer designs.

SPECIFICATIONS	SB-15121
Frequency Range 1 (-6 dB, half space) (-10 dB, half space)	23.8 Hz - 250 Hz 21.5 Hz - 250 Hz
Maximum Output 2 Calculated Peak at rated power Calculated Continuous	137 dB SPL 131 dB SPL
Impedance	4 ohms nominal
Maximum Input Power 3 100 hours of 6 dB crest factor pink noise, 25 Hz–250 Hz 2 hours of 6 dB crest factor pink noise, 25 Hz–250 Hz, AES method	1500 W continuous 2500 W continuous
Recommended Amplifier Power	3400 W continuous maximum / 1200 W continuous minimum
Sensitivity 2 V at 1 meter, half space	99 dB, 40 Hz–100 Hz
Nominal Coverage	Omnidirectional (80 Hz)
Transducers	One 21-inch (533 mm) high efficiency subwoofer transducer featuring a vented 6-inch (153 mm) copper voice coil on a fiberglass former. High excursion/low distortion design, with extremely high power handling and low thermal and port compression. Neodymium magnet to provide a very high force factor and linear excursion.
Recommended Processing	HPF at 20 Hz, minimum 12 dB/octave slope
Connectors	Barrier strip screw terminals accept up to #10 AWG stranded wire. Four terminals; two inputs and two parrallel outputs.
Enclosure	Vented enclosure with symmetrical port design, tuned to 25 Hz, constructed of medium density fibre-board and heavily braced. Features vandal resistant woofer mounting bolts.
Dimensions (HWD) inches	48.8 × 30 × 24
Dimensions (HWD) mm	1238 x 762 x 610

Net Weight	231 lb (105 kg)
Shipping Weight	257 lb (114 kg)

1All frequency ranges specified refer to measured half-space response (2 pi).
2Calculated SPL at 1m, (half space, 2 pi), speaker operating at rated continuous power with pink noise within specified frequency range.
3Maximum input power tested in accordance with IEC 268-5 recommendations, 50 Hz–20 kHz band limiting, 6 dB signal crest factor.

Specifications are subject to change without notice.

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