LD-Systems DS-21
Speaker Management LD-Systems DS-21Speaker Management LD-Systems DS-21 (2)

LD-Systems DS-21

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  • 28bit DSP
  • 3 Band PEQ
  • Low Shelf or High Shelf Types available
  • Crossover Slope
  • Types and Q-Value selectable
  • Max. Delay up to 12.5ms
  • Limiter with Threshold, Attack, Release and Hold Parameter
  • Phase Invert Function, USB Port, Software included
  • 2 x 16 Character LCD with Backlight
  • Switch Mode Power Supply: 90 V - 250 V
  • Inputs : 2 Channels L + R
  • Outputs : 3 Channels L + R + SUB
  • Crossover Range: 20 Hz - 20 kHz

LD-Systems DS-21 · Speaker Management

The LD Systems System Controller DS-21 is a versatile 3-channel. 24-bit DSP processor with outstanding sound characteristics, which can be configured via the convenient front panel easy

The rack-mountable unit is equally suited for live use as for fixed installations and offers individually adjustable EQ, crossover, delay and limiter functions.

The parametric 3-band EQ on the LD DS2.1 provides a variable Q value and a switchable hi-lo pass filters. As crossover filters, among other Butterworth, Bessel and Linkwitz-Riley slope consistent with values ​​between 6 dB and 24 dB are available. The delay time of the three outputs can be individually adjusted to values ​​of 12.5 ms, the limiter threshold values ​​and hold time can be configured separately for the L/R- and subwoofer channels.

Which consists of a 2 x 16 backlit LCD and a dial keypad enables fast retrieval and editing of up to 6 presets and also offers a real-time meter. At the back of the unit has two XLR connectors for the inputs, three XLR connectors for both stereo and the subwoofer output and a USB port. Included is both its software and a universal power supply.


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Advice & Support Dept. PA/Lighting/DJ
Martin Diekmann
Dept. PA/Lighting/DJ
Tel.: +49 5451 909-120

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+49 5451 909-189
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