- SB-5218 features dual 500-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
|Frequency Range 1 |
(-6 dB, Half space)
(-10 dB, Half space)
|Nominal Coverage|| |
|Maximum Output 2 |
Calculated Peak at rated power
|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-inch (457 mm) 500 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
Barrier strip screw terminals accept up to #10 AWG stranded wire
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)|
1All frequency ranges specified refer to measured response (half space, 2 pi).
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.