QSC
Loa sub đơn cinema 18″, 750W, QSC SB-7118
Product code: QSC SB-7118
Detailed Description
Features
- SB-7118 features a 750 W, 18-inch transducer
- Frequency range extends to below 25 Hz when used with the correct B6 filter
- DCM and SF-3 signal processors optionally available
- Enclosures feature vandal-resistant woofer mounting bolts
| SPECIFICATIONS | SB-7118 |
|---|---|
| Frequency Range 1 (-6 dB, Half space) (-10 dB, Half space) | 22–100 Hz 19–250 Hz |
| Maximum Output 2 Calculated Continuous | 125 dB |
| Impedance | 8 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, 50–20,000 Hz, AES method) Recommended Amplifier Power | 600 watts continuous 750 watts continuous 1200 watts continuous maximum |
| Sensitivity 2.83 V at 1 meter, half space | 98 dB |
| Transducers | 18-inch (457 mm) 700 watt high-efficiency subwoofer transducers featuring 4-inch (100 mm) copper voice coils on Kapton formers |
| Recommended Processing | LF boost Freq. = 25 Hz Q = 2.0 Gain = +6 dB provided by QSC, SF-3 or DCM |
| Connectors | Barrier strip screw terminals accept up to #10 AWG stranded wire |
| Enclosure | 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 | 30 × 35.75 × 20.3 |
| Dimensions (HWD) mm | 908 x 762 x 516 |
| Weight | 162 lb (73.3 kg) |
1All frequency ranges specified refer to measured half space (2 pi) response.
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.