Guangzhou DUBAO Electronics Technology Co., Ltd.
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Passive Dual 18 Inch Sub Bass Box Loudspeaker Subwoofer 4 Ohms 6400W RMS
SB28
Two 18-inch long low frequency units are installed in the acoustic body, which can be long and continuous.
With the full frequency speaker, ultra low frequency effect is more obvious.
The body uses a special acoustic design, the use of 18 mm high quality plate production, internal made to strengthen the support, so that the body to work in a very small vibration.
Sound strong, full.
SB28 is dual 18” subwoofer with bass horn loading, specifically designed to reproduce deep bass frequency with maximum efficiency, speed and impact. It is also ideal for reproducing the concentrated energy of contemporary music environments such as discos, clubs and outdoor shows where extreme level of bass is required.
CAUTION
Loudspeakers produce a static magnetic field even if they are not connected or are not in use. Therefore make sure when erecting and transporting loudspeakers that they are nowhere near equipment and objects which may be impaired or damaged by an external magnetic field. Generally speaking, a distance of 0.5 m (1.5 ft) from magnetic data carriers (floppy disks, audio and video tapes, bank cards, etc.) is sufficient; a distance of more than 1 m (3 ft) may be necessary with computer and video monitors.
| Components | 2 x 18" LF |
| Frequency Response | LF: 30 Hz - 300 Hz |
| Low frequency limit (-10dB) | 25 Hz |
| RMS (Continuous) | 1600W |
| RMS (Peak) | 6400W |
| Nominal Impedance | 4 Ohms |
| Sensitivity (1w/1m) | 103 dB |
| Maximum SPL | 135 dB |
| RMS handling capability | 1225 W |
| Components | LF: 2 x 18’’ weather-resistant, |
| (4’’ coil, aluminium die-cast basket, vented magnet design) | |
| Nominal impedance: 4 ohms | |
| Physical data | W x H x D: 1300 x 550 x 700 mm - 51.2 x 21.7 x 27.6 in |
| Weight (net): 64 kg | |
| Connectors: 1 x 4-pin Speakon ® | |
| Material: 18 and 24 mm Baltic birch plywood | |
| Finish: dark grey brown Pantone ® 426C | |
| Front: polyester powder-coated steel grill, airnet acoustically neutral fabric | |
| Rigging: integrated rails for flying, stacking runners |
