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DP-K1 Digital Signal Processor

DP-K1 CU

The DP-K1 is a 3U rack mountable Digital Audio Processor. It features an Automatic Resonance Control function that automatically generates an optimum filter curve to improve sound clarity after measuring the acoustic characteristics in architectural space. It permits flexible configuration of inputs and outputs, from 2-IN/4-OUT to 8-IN/8-OUT using the optional modules. Each function is set by a PC using the dedicated software. The settings can be stored in the unit's internal memory and the stored preset memories can be recalled from the unit without connecting the PC.

Specification
* 0 dB = 0.775 V
Power Source 100 - 120 V AC, 50/60 Hz
Power Consumption 40 W (750 mA)
Frequency Response 20 Hz - 20 kHz, ±1 dB (+4 dB* input)
Input Max. 8 channels, modular construction (modules optional)
Output Max. 8 channels, modular construction (modules optional)
IO Configuration 2-IN/4-OUT, 2-IN/8-OUT, 4-IN/4-OUT, 4-IN/8-OUT, 6-IN/4-OUT,
6-IN/8-OUT, 8-IN/4-OUT, 8-IN/8-OUT
Signal Processing
Automatic Resonance Control Function Parametric equalizer: 20 Hz - 20 kHz, ±12 dB, Q: 0.267 - 69.249
Level Control - infinity to +12 dB (0.5 dB steps), with polarity selector
Equalizer/Filter Parametric equalizer: 20 Hz - 20 kHz, ±12 dB, Q: 0.267 - 69.249
Filtering: High-pass filter 20 Hz - 20 kHz, 6 dB/oct, 12 dB/oct
Low-pass filter 20 Hz - 20 kHz, 6 dB/oct, 12 dB/oct
Notch filter 20 Hz - 20 kHz, Q: 8.651 - 69.249
All-pass filter 20 Hz - 20 kHz, Q: 0.267 - 69.249
High shelving filter 6 - 20 kHz, ±12 dB
Low shelving filter 20 - 500 Hz, ±12 dB
Horn equalizer 20 kHz, 0 to +18 dB (0.5 dB steps)
Crossover filter: 20 Hz - 20 kHz,
6 dB/oct, 12 dB/oct, 18 dB/oct, 24 dB/oct
Compressor Threshold: -16 to +24 dB* (1 dB steps)
Ratio: 1:1, 2:1, 3:1, 4:1, 8:1, 12:1, 20:1, infinity :1
Attack time: 0.02 - 100 ms
Release time: 10 ms - 5 s
Noise gate Threshold: - infinity to -26 dB* (1 dB steps)
Attack time: 0.1 - 100 ms
Release time: 20 ms - 5 s
Delay Delay time: 0 - 682.0 ms (0.021 ms steps)
Matrix 8 × 8
Level control: - infinity to 0 dB (1 dB steps), with polarity selector
Preset Memory 8
Auxiliary Function Key lock function
Setting Software OS: Windows 2000/XP/Vista (32-bit edition)
Windows 7 (32/64-bit edition)
Control system: 10 BASE - T/100 BASE-TX, Auto-Negotiation, RJ45 connector
Front Panel Section Preset memory recall knob: 1
Input indicator: Green LED
Output indicator: Green LED
Module Slot (Rear Panel) Input module slot: 4
Output module slot: 2
Remote control module slot: 1
Operating Temperature +5 ℃ to +40 ℃
Finish Panel: Aluminum, hair-line finish, black
Others: Pre-coated steel plate, black, 30 % gloss
Dimensions 482.6 (W) × 132.6 (H) × 320 (D) mm (excluding projection)
Weight 7.4 kg
Accessory Power cord (2 m) ……1, Rack mounting bracket (preinstalled on the unit) ……2, Rack mounting screw ……4, Blank panel (preinstalled on the unit) ……8, Module mounting screw (spare) ……4, CD (software) …1
Option Mic/Line input module: D-921E, D-921F, D-922E, D-922F
Stereo input module: D-936R
Digital input module: D-923AE
Line output module: D-971E, D-971M, D-971R
Digital output module: D-972AE
Remote control module: D-981, D-983
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