Overview
Features
- SB-7218 features dual 700-watt transducers
- 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
- Frequency Range 1
- (-6 dB, Half space): 22–100 Hz
- (-10 dB, Half space): 19–250 Hz
- Maximum Output 2
- Calculated Peak at rated power: 137 dB
- Calculated Continuous: 130 dB
- Impedance: 4 ohms nominal
- Maximum Input Power 3
- (100 hours of 6 dB crest factor IEC 268 noise spectrum): 1200 watts continuous
- (2 hours of 6 dB crest factor pink noise, 50 Hz–20 kHz, AES method): 1500 watts continuous
- Recommended Amplifier Power: 2600 watts continuous maximum
- Sensitivity 2 V at 1 meter, half space: 101 dB
- Transducers: Two 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: 48 × 30 × 24
- Dimensions (HWD) mm: 762 x 1220 x 610
- Weight: 210 lb (95 kg)