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DD Audio 9912B D1 ESP
The Beast is back. And better than ever.
In the early 2000s, DD's 9900 series was called The Beast. After a long hiatus, The Beast is back and better than ever. The latest version is designed to meet the ultra-low frequency demands of modern music. The drivers in this series can be driven for long periods of time at very high power and over long travel distances. The driver is optimized for playing at 1500-2500 watts and can withstand short-term power loads of up to 10,000 watts.
Looking at the driver's motor, you can see where the name The Beast comes from. The magnet is over three inches tall and ten inches wide. The precision-machined magnet structure houses a 4¡šÅ voice coil. The mechanical travel is over three inches, and even at its extremes, the voice coil is far enough inside the magnet to maintain control of the driver.
This driver uses the ESP (Evolution Subwoofer Performance) design, which includes, among other things, larger diameter lower suspensions, a chassis with the required depth for the trajectory, and a top suspension and cone structure that differ from normal model series. ESP drivers are built to achieve maximum performance in their size class.
Specifications:
-15¡šÅsubwoofer
- cast frame
- 2 x 1 ohm voice coils
- magnet weight 31.7 kg
- 4¡šÅvoice coil diameter
- driver displacement: 8.8 liters
- recommended ported enclosure 50-80 liters (NET)
- power handling 2500 W RMS
- Peak power handling 10,000 watts
- x-max: +- 22 mm
- xmech: 100 mm
- qts: 0.466
- Fs: 37.01 Hz
- Left: 26.16 liters
- mounting depth 247 mm
- cutout diameter 310 mm.