Used Klark Teknik DN8000 Processing

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2x5 stereo digital controller

1U Rack mountable, The DN8000 is a two input, five output digital crossover. Being a box of DSP, it has the potential to fulfil not only the normal tasks thought of as applicable to a crossover, (i.e. frequency splitting) but many others. This allows it to replace much of, if not all of, the additional outboard processing that has come to be associated with complete multi-driver speaker system alignment and protection.
The unit is completely configurable from the front panel, and included in the signal path for each input to output are the following modules. These modules are fixed in terms of their position in the path - their order has been optimized for the intended application as a crossover.
Features A delay module - this allows delays to be set for each output, and master delays to be applied to each input. The units are selectable, and temperature compensation may be added. A fully configurable routing module - this allows any output to be fed from either input, both inputs or neither input. A high pass filter module - this has fully variable frequency adjustment, and a selection of roll-off (slope) and filter type combinations. A low pass filter module - this has fully variable frequency adjustment, and a selection of roll-off (slope) and filter type combinations. Two parametric equaliser modules - these both feature fully adjustable frequency, ÔQÕ, and level, and can be placed anywhere on the frequency scale. A 'Low EQ' filter module - this has variable frequency adjustment, and a selection either parametric mode or shelf mode, and level adjustment. A 'High EQ' filter module - this has variable frequency adjustment, and a selection either parametric mode or shelf mode, and level adjustment. A compressor module - this is fully featured, with adjustment available for threshold, ratio, attack, and release. An expander module - this has adjustment for threshold, hold and release. A limiter module - this merely has adjustment of threshold. It is a 'zero overshoot' design - and cannot be switched out of circuit. As such, it will not be possible to clip any of the outputs, no matter how much EQ has been added. A phase control module - this allows the phase to be reversed (switch) and also the phase angle to be adjusted in 5¡ steps. A level control module - this allows adjustment of the level of the output over a wide range.
INPUTS TWO Balanced (electronically) Impedance (ohm) Balanced 20K Unbalanced 10K Common mode rejection >70dB@1KHz Maximum Level >+21dBu
OUTPUTS FIVE Balanced (electronically) Min. load impedance 56 ohms//20nF Source impedance 56 ohms Maximum level +22dB into > 2kohms
PERFORMANCE Frequency response +/-0.3dB (20Hz to 20KHz) With all filters and EQ flat Distortion @ +8dBu <0.02% (20Hz to 20KHz) Dynamic Range 114dB (20Hz to 20KHz unweighted)
POWER REQUIREMENTS Voltage 90 to 250V @ 50 to 60Hz AC Consumption <35VA
DIMENSIONS Width 483mm (19 inches) Height 44mm (1.75 inches) Depth 287mm (12 inches)