ARK 20

The ARK-20 are digital processors specially designed for fixed installation, offering 3 different versions.

ARK 20 Processors

ARK 2048

ARK 2026

ARK 2024

Specifications

Input  
  2 / 4
Impedance: 20 K Ohm Balanced (10 K Ohm unbalanced).
Connector: Balanced XLR (pin 2 +)
AD converter: 24 bit-192KHz, 512x Oversampling.
Dynamic Range: 120 dB.
Max. level: +19 dBu (balanced).
Outputs  
  4 / 6 / 8
Impedance: 50 Ohm Balanced (25 Ohm unbalanced).
Connector: Balanced XLR (pin 2 +).
DA converter: 24 bit-192KHz, 512x Oversampling.
Dynamic Range: 120 dB.
Max. level: +18 dBu (balanced).
Audio  
Frequency Range 10 Hz – 24 KHz.
THD (%) <0,0018%
DSP Process Internal resolution with 56 bit double precision in floating point.
Converters 24 bit resolution
Propagation Delay 0.6 miliseconds
Equalisation  
Input GEQ 29 GEQ Bands 1/3 oct.
PEQ output P9 per way.
PEQ Type filters Parametric, Shelving High, Shelving Low, Low-Pass, High-Pass, Low-Pass Q variable, High-Pass Q variable, BandPass,Reject Band, AllPass order 1, AllPass order 2.Posibility to Link filters between Input and Outputs.
Crossover  
  Linkwitz Riley with 12, 24, 48 dB/oct.
  Butterworth and Bessel with 6, 12,18, 24, 30, 36, 42 and 48 dB/oct.
Delay  
Input 54 milisec (channels A & B)
Output  20.8 milisec for Speaker alignment Possibility to Link Delays.
RMS Limiter-Compressor
  1 per output.
Threshold +18dBu to -50dBu.
Compression Ratio 1:1 to 1:10 (1:infinite with limiter).
Power indication Shows the maximum power applied to the speaker for the selected threshold.
Noise Gate  
  1 per output
Noise Threshold -79dBu to -37dBu.
Level Control  
Gain +6dBu to -40 dBu per input / output.
Mute per input / output.
Phase inversion per input / output. Possibility to Link Controls.
Signal Generator  
Level 0dBu to –40dBu
Type sine tone from 10Hz to 22KHz, Pink noise, White noise.
Security Options  
Password Global
Level 0: No restrictions
Level 1: Only allows preset changes.
Level 2: Only allows mute modification.
Level 3: Only allows preset changes and mute modification.
Level 4: Bloks all the front panel controls
Restricted Zones: For each Preset it is possible to disable the access to any processor function (EQ, crossover, Limiter, etc) writing a preset password.
Other functions  
  Process Integration with RAINBOW – The acoustical prediction software.
  Speaker data import from main audio measurement systems.
  Export & Import EQ files, etc.
Front Panel  
 Display LCD with 24 x 2 characters
 Encoders  1 with push button.
 Level Meter Signal and clip leds per input. Signal and Limiting leds per output
Communication  
  USB
  Ethernet (Optional)
General  
Power supply  85-240 V ~ 40-400 Hz. IEC connector. (Switching power supply, wide range)
Consumption 25 W
Operating temperature -5º a 60º C (23º to 140º F)
Storage temperature -60º to 75º C (-76º to 167º F).
Humidity Max. 90% non-condensing.
Dimensions 482 x 45 x 226 mm
Weight 3 Kg
Warranty 3 years

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