FEATURES:
- Dual 18 in, 2268H Differential Drive® woofers for extended low frequency output.
- Large vent area for reduced distortion.
The JBL SRX728S Dual 18″ Passive Subwoofer is a high power subwoofer system containing two 2268H neodymium magnet, patented* Differential Drive®, 18″ woofers in a front-loaded, vented enclosure. The enclosure is designed to present a minimum frontal area. The system offers complete input connection flexibility for compatibility with a variety of cabling schemes. A recessed, external switch allows selection of either contacts +1/-1 or +2/-2. By relocating an internal connector, it is also possible to drive each woofer discretely from a separate amplifier channel.
The enclosure is constructed of top quality birch plywood and coated in JBL’s rugged DuraFlex™ finish. Each woofer is housed in an isolated chamber and the enclosure is heavily braced to maximize low-frequency performance. The attractive CNC machined, 16 gauge steel grille is internally lined with acoustically transparent foam to provide additional driver protection and give a very professional appearance.
SPECIFICATIONS:
| System Type: | Dual 18″ bass-reflex subwoofer |
| Frequency Range (-10 dB): | 27 Hz – 220 Hz |
| Frequency Response (±3 dB): | 33 Hz – 220 Hz |
| Dimensions (H x W x D): | 602 mm x 1067 mm x 838 mm |
| Net Weight: | 76 kg (166.5 lb) |
| LF Driver: | 2 x JBL 2268H Differential Drive® woofer |
| Sensitivity (1w/1m): | 98 dB SPL |
| Nominal Impedance: | 4 ohms (parallel mode), 8 ohms x 2 (discrete mode) |
| Rated Maximum SPL: | 136 dB SPL @1 m (3.3 ft) |
| Power Rating (Continuous/Program/Peak): | 1600 W / 3200 W / 6400 W |
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