B-Line
B 21 A
The powerhouse. The mighty 21" driver with its huge 5" voice coil thunders with up to 142 W max. SPL down to the deepest depths – performing from 25 Hz it is the bass beast in our line-up. With a load capacity of up to 4,000 W peak, it delivers enough power for every stage and every event. Despite its higher weight, it is easy to manoeuvre thanks to the two well-positioned recessed grips on both sides. In direct comparison, as expected, it delivers the most robust performance at the low end and generates more than enough pressure in any situation. The active versions of this bass monster have a 1,600 W Class-D amp on board.
The great advantage of powered speakers is the built in amplifier. So there is no need for an external device – the internal amp is optimally matched to the woofer! The B 21A driven by a mighty 1,600 W (peak) amplifier. Integrated DSP presets allow loading of preset system setups that are optimally matched to SE Audiotechnik products. Thus, the entire system is quickly and easily set up and perfectly adjusted. The directivity can be effortlessly changed in a flash from normal to cardioid or end-fire configuration via the large display and the push/rotary controller. Parameters such as EQ, Delay, Sensitivity and Phase can be adjusted and stored in your own User Presets.
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Pole bar |
SPS20 |
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Transport dolly |
B 21 TD |
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Transport cover |
B 21 TC |
