JL Audio E-Sub e112 12-inch (300 mm) Powered Subwoofer - Black Ash
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E-Sub drivers employ our exclusive DMA technology to optimize the drivers' motor strength, ensuring linear behavior over a very long excursion range. Unlike typical steady-state modeling systems, DMA takes into account the dynamic shifts created by current flow and back EMF under real power conditions, with real program material. The payoff offered by DMA optimization is a driver that faithfully tracks its input signal, at all listening levels, leading to superior bass definition and dynamics. The extreme mounting depth of the E-Sub driver is very deliberate. It permits wide gaps to exist between the three suspension elements (the rubber surround and the dual spiders), imparting exceptional mechanical stability over the driver's full excursion range. This further improves linearity, reduces distortion and enhances long-term reliability. In a stroke of engineering elegance, the E-Sub’s steel front mounting flange forms the entire front baffle of the finished product, while the driver’s back-plate is threaded and bolted to the rear wall of its enclosure for support.
Specifications:
- Enclosure Type Sealed
- Enclosure Finish Black Ash
- Frequency Response (Anechoic) 22 - 118 Hz (±1.5dB) -3 dB at 21 Hz / 120 Hz -10 dB at 17 Hz / 153 Hz
- Effective Piston Area (Sd) 84.4 sq in / 0.0545 sq m
- Effective Displacement 235 cu in / 3.9 L
- Amplifier Power 1500 W RMS short-term
- Power Mode(s) Off, On or Automatic (Signal-Sensing)
- Light Modes N/A
- Width (W) 15.5 in / 394 mm
- Height (H) 16.23 in / 412 mm
- Depth (D) 18.39 in / 467 mm
- Net Weight 73.5 lb / 33.3 kg
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