ARK-20
Digital processors
The ARK-20 are digital processors specially designed for fixed installation, offering 3 different versions.
ARK 2048
ARK 2026
ARK 2024
Technical Data
| 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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