Frequency Range 1 (-6 dB, Half space) (-10 dB, Half space)
22–100 Hz 19–250 Hz
Maximum Output 2 Calculated Peak at rated power Calculated Continuous
137 dB 130 dB
Impedance
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 continuous
1500 watts continuous
2600 watts continuous maximum
Sensitivity 2 V at 1 meter, half space
101 dB
Transducers
Two 18" (457 mm) 700-watt high-efficiency subwoofer transducers featuring 4" (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.
Features: Dual 18" Cinema Subwoofer
SPECIFICATIONS
SB-7218
Frequency Range 1
(-6 dB, Half space)
(-10 dB, Half space)
22–100 Hz
19–250 Hz
Maximum Output 2
Calculated Peak at rated power
Calculated Continuous
137 dB
130 dB
Impedance
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 continuous
1500 watts continuous
2600 watts continuous maximum
Sensitivity 2 V at 1 meter, half space
101 dB
Transducers
Two 18" (457 mm) 700-watt high-efficiency subwoofer transducers featuring 4" (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)
SC-2150 Screen Channel
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