Frequency Range 1 (-6 dB, Half space) (-10 dB, Half space)
24–100 Hz 19–250 Hz
Nominal Coverage
n/a
Maximum Output 2 Calculated Peak at rated power Calculated Continuous
135 dB 129 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, 50–20,000 Hz, AES method) Recommended Amplifier Power
800 watts continuous
1000 watts continuous
1600 watts continuous maximum
Sensitivity 2 V at 1 meter, half space
99.5 dB
Transducers
Two 18" (457 mm) 500 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
SPECIFICATIONS
SB-5218
Frequency Range 1
(-6 dB, Half space)
(-10 dB, Half space)
24–100 Hz
19–250 Hz
Nominal Coverage
n/a
Maximum Output 2
Calculated Peak at rated power
Calculated Continuous
135 dB
129 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, 50–20,000 Hz, AES method)
Recommended Amplifier Power
800 watts continuous
1000 watts continuous
1600 watts continuous maximum
Sensitivity 2 V at 1 meter, half space
99.5 dB
Transducers
Two 18" (457 mm) 500 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
205 lb (93 kg)
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