ARK-20 Digital processors
The ARK-20 are digital processors specially designed for fixed installation, offering 3 different versions.
| Brand | |
|---|---|
| Series | |
| DSP (Pro) | 2 Inputs, 4 Outputs, Crossover, Delay, Level Control, Noise Gate, RMS Limiter-Compressor |
Technical Specifications: |
|
| Inputs: | 2 |
| 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 |
| 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) |
| 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 |
| 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) |
| Delay 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. |
| Gain: | +6dBu to -40 dBu per input / output. |
| Mute: | per input / output. |
| Phase inversion: | per input / output. Possibility to Link Controls. |
| Level: | 0dBu to –40dBu |
| Type: | sine tone from 10Hz to 22KHz, Pink noise, White noise. |
| Other functions: | Process Integration with RAINBOW – The acoustical prediction software. Speaker data import from main audio measurement systems. Export & Import EQ files, etc. |
| 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) |
| 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 |