Klark Teknik DN200 Active Stereo DI Box
Klark Teknik DN200 Active Stereo DI Box
Description:
DN200 is intended for professional applications where +48 V phantom power is a standard feature on all mixing consoles, and its innovative design results in a significantly higher clipping point than many other active DI Boxes, providing +10 dBu output into a 2 k Ohm load. This increased headroom means that much higher level input signals can be accommodated without the need for an attenuating pad. Combined with a very low noise input circuit topology, DN200 offers a very wide dynamic range and only requires a single -20 dB pad, which is optimised for use with electronic musical instruments. DN200 is built to handle the rigours of life on the road, a thick aluminium extrusion protects the electronics, and in turn is covered by a tough silicone rubber sleeve. DN200 offers two flexible signal routing options, in Sum mode both inputs are summed at -6 dB to maintain the overall signal level and are routed to the left output. In Split mode, the left input is routed to both outputs at unity gain. Both option switches include LEDs for clear indication of signal routing. Exhaustive listening tests using a wide variety of active and passive bass guitars, electro-acoustic guitars and electronic musical instruments were carried out to select the components for DN200 to achieve the best musical sound. Not only was the choice of the audio transformer particularly important in achieving this goal, but the impedances of the surrounding components were also highly critical in getting the best possible performance out of the audio transformers. The line-driving characteristics of the transformer outputs were carefully optimised to provide the best frequency and phase responses for short and long cables and widely differing line and termination impedances. Care was taken in the design of the DN200 to avoid audio transformer core saturation and a fixed high pass filter has been included in the signal path to roll off frequencies below those that are musically important.
Features
High-headroom design with +48V phantom power for extended dynamic range
Sum and split options for flexible signal routing
Fully transformer-isolated design ensures electrical separation between PA and stage equipment
Balanced line inputs on Neutrik Combo XLR and high-impedance 1/4'' TRS connectors
RCA Phono inputs for connection of consumer audio equipment
Independent phantom powering for each channel for maximum reliability
Global 20dB input pad and earth lift switches
Aluminium extrusion casing with protective silicone rubber sleeve
Compact and rugged design
Designed and engineered in the United Kingdom
Specifications
Input Type: Active electronic, balanced or unbalanced
Input Impedance:
Jack Connectors: 1M Ohm nominal, balanced or unbalanced
XLR Input: 20k Ohms
RCA Phono Input: 20k Ohms
Input Connectors: 2 x Neutrik XLR-1/4'' TRS combo inputs with parallel-linked RCA Phono input connectors and 1/4'' TRS linked output connectors
Maximum Input Level: +30dBu (with pad enabled)
Input Attenuator: 20dB pad
Output Type: Transformer-balanced
Output Impedance: 75 Ohms
Output Connector: 3-pin XLR
Maximum Output Level: +10dBu with >2k Ohm load
Minimum Load: 600 Ohms
Noise: -100dBu, 20Hz to 20kHz unweighted, with input terminated by 10k Ohm resistor
Frequency Response: 20Hz to 20kHz, +0.5/-1dB
THD+N: <0.01-percent at 1kHz, +4dBu
Voltage: +48V phantom
Current Consumption: <20mA (both channels)
Dimensions: 143mm x 106mm x 59.2mm / 5.6'' x 4.2'' x 2.3'' (L x W x H)
Weight: 0.95kg
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