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Powersoft Audio - K20 DSP+AESOP
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2-Channel Power Amplifier with DSP and Networking for High-Performance Touring

Model: K20 DSP+AESOP
  • Unequaled Class D design with fixed switching frequency
  • Universal switch mode power supply with PFC (Power Factor Correction)
  • Space and weight saving: only one rack space (1 RU) and 12 kg/26.5 lb
  • Green Audio Power®: more amplifier output power from the AC mains power distribution due to >85% efficiency
  • Excellent sonic quality by design, including amp clip limiters and patented ripple cancellation network
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The K20 DSP+AESOP is the masterpiece of the flagship K Series.In addition to headroom in abundance even for the power-hungriest woofers, the most powerful member of the K Series comes preloaded with all options, making the K20 DSP+AESOP the ultimate powerhouse in every single aspect, yet packing it all into a single 19” rack unit weighing as little as 12 kg/26.5lb. Possible only due to remarkably high efficiency exceeding 85%, the enormous power density paired with unique Powersoft technologies warrants top performance despite running off a single mains phase. Like all K Series models, the K20 DSP+AESOP is designed for, and absolutely stable with, 2 ohm loads, further reducing the number of amps required to power a specific system. A fully integrated state-of-the-art DSP yields extensive system management functionality. IIR/FIR filters, safety features like TruePower™ limiting and LiveImpedance™, as well as the convenient Active DampingControl™ are intuitively manageable with the free PC software Armonía Pro Audio Suite. The AESOP interface provides four standard Ethernet ports, adding hub functionality for two AES3 digital audio streams equivalent to 4 analog signal channels over the same RJ45, allowing for a redundant ring architecture too.
  • Unequaled Class D design with fixed switching frequency
  • Universal switch mode power supply with PFC (Power Factor Correction)
  • Space and weight saving: only one rack space (1 RU) and 12 kg/26.5 lb
  • Green Audio Power®: more amplifier output power from the AC mains power distribution due to >85% efficiency
  • Excellent sonic quality by design, including amp clip limiters and patented ripple cancellation network
  • Proven reliability, yet downloadable log file of all functional fault events with time-related trace
  • Numerous amp/system/venue parameters can be configured, locked, and monitored; i.e. AC mains voltage/current draw to protect from breaker tripping
  • Top-grade DSP with high dynamic range and extensive feature set
  • Separate input/output EQ’s with numerous filters of various types up to 48 dB/oct (IIR), linear phase (FIR), and hybrid (FIR+IIR)
  • Sophisticated limiter system comprising peak, RMS voltage, RMS current, and TruePower™ limiting
  • Speaker wire compensation with Active DampingControl™
  • LiveImpedance™ load monitoring with regular musical signal
  • Plug & play communication and redundancy for control and digital audio:
  • Fully digitally controlled amplifier providing feedback of all status information
  • 4-port AESOP Ethernet/AES3 interface allowing daisy-chaining and redundant ring architecture
  • Fully manageable via Armonía Pro Audio Suite™ software, intuitive system setup and maintenance, control and monitoring
  • AES3 digital audio distribution over Cat-5e cable: two streams equaling four analog channels, low latency, glitchless fallback to analog backup signal
  • Mono-bridgeable amplifier channels; switch for linking analog signal inputs
  • AC inrush current limiting; channel output voltage limiting
  • Digital gain attenuator for gain/sensitivity selection
  • Front panel interactive LCD display for local access and configuration
  • Front panel SmartCard reader/writer for firmware updates and preset storage
  • Front-to-rear airflow cooling with variable-speed fan, temperature controlled
  • Full protection circuitry: over/under AC voltage; troublesome signals (clipping, VHF, long-term RMS); DC; thermal; short circuit; mute at power on/off
  • Full four years warranty