QSC SB-15121 ลำโพงซับวูฟเฟอร์สำหรับโรงภาพยนตร์ 21 นิ้ว 1,500 วัตต์
- 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.
ดูสินค้ายี่ห้อ QSC ทั้งหมด
|Frequency Range 1
(-6 dB, Half space)
(-10 dB, Half space)
|Maximum Output 2
Calculated Peak at rated power
||4 ohms nominal
|Maximum Input Power 3
(100 hours of 6 dB crest factor
IEC 268 noise spectrum)
(2 hours of 6 dB crest factor pink
noise, 50 Hz–20 kHz, AES method)
Recommended Amplifier Power
|1200 watts continuous1500 watts continuous
2600 watts continuous maximum
|Sensitivity 2 V at 1 meter, half space
||Two 18-inch (457 mm) 700-watt high-efficiency subwoofer transducers featuring 4-inch (100 mm) copper voice coils on Kapton formers
||LF boost Freq. = 25 Hz
Q = 2.0
Gain = +6 dB
provided by QSC, SF-3 or DCM
||Barrier strip screw terminals accept up to #10 AWG stranded wire
||B6 alignment, vented enclosure with symmetrical port design, tuned to 25 Hz, constructed of MDF and heavily braced. Features vandal-resistant woofer mounting bolts.
|Dimensions (HWD) inches
||48 × 30 × 24
|Dimensions (HWD) mm
||762 x 1220 x 610
||210 lb (95 kg)
1All frequency ranges specified refer to measured response (half space, 2 pi).
2Calculated SPL at 1 m, (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.