JBL SRX728S Dual 18″ Passive Subwoofer
The SRX728S is built to deliver smooth, clean, accurate low-end. A pair of 18″ Differential Drive woofers provide extension down to 27 Hz while handling an amazing 1600 watts of continuous power. Large, open ducts minimize port turbulence and the heavily braced enclosure assures tight, solid bass. An external switch allows the SRX728S to be used with cabling systems designed to power subs from contacts ±1 or ±2.
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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