SB-7118
18-inch Cinema Subwoofer
QSC announces divestiture of its Digital Cinema Series product line to Moving iMage Technologies, including the Screen Channel (“SC”), Subwoofer (“SB”), Surround (“SR”), and Screen Channel (“RSC”) product lines.
For all inquiries, please visit DSCreference.com or contact [email protected]
This product has been discontinued. Please check with your Q-SYS regional sales representative for remaining stock availability.
Consider the PL Series performance loudspeakers as a replacement:
- The PL Series is a portfolio of performance loudspeakers designed to deliver premium sound for Q-SYS systems in a broader range of applications
- Available in multiple form factors, enabling design flexibility and optimal audio experiences for every unique space
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.