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The K20 impresses with up to 18,000 W in a single rack space.

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Key benefits/features:

  • Output power: 2 x 2700W @ 8 ohms, 2 x 5200W @ 4 ohms, 2 x 9000W @ 2 ohms, 1 x 10400W @ 4 ohms bridged, 1 x 18000W @ 8 ohms bridged.
  • Weight and space saving: unequaled, extremely efficient switch mode PSU and Class D design in only one rack space (1U) and 12kg/26.5lbs
  • Power saving: more amp output power from the AC power distro thanks to >90% efficiency, resulting in more overall power from less rack space)
  • Fewer amplifiers for more speakers: designed for, stable and sounding consistently good with 2Ω loads
  • Outstanding sonic quality per design, including patented output filters
  • Highly integrated: internal state-of-the-art DSP optional
  • Versatile: large number of amp/system/venue parameters can be configured, locked, and monitored
  • Communicative: serial PC interface on board; Ethernet interface including AES3 over Cat-5e optional (KAESOP) for complete remote monitoring and control
  • Grows with you and your system requirements: upgradable to the next bigger model by simply purchasing Step-up SmartCards

DSP features:

  • A/D converter: Dual 24bit 48/96 kHz Tandem® architecture, 127 dB(A) dynamic range, THD <0.005% (20 Hz - 20 kHz)
  • D/A converter: Dual 24bit 48/96 kHz Tandem® architecture, 122 dB(A) dynamic range, THD <0.003% (20 Hz - 20 kHz)
  • Memory: 8 MB RAM, 2 MB flash for presets
  • Digital audio input: AES3 (glitchless fallback to analog audio selectable)
  • Delay for time alignment: Up to 4 s on the input section, up to 32 ms per output, sample-by-sample stepping
  • Crossover filters: Butterworth, Linkwitz-Riley, Bessel, Arbitrary Asymmetric, 6dB/oct to 48dB/oct (IIR), linear phase (FIR), hybrid (FIR+IIR)
  • Output equalizer: 16 fully parametric per channel. IIR: peaking, hi/lo shelving, hi/lo pass, band pass, band stop, all pass
  • Input equalizer: Three layers (PEQ, raised cosine, shelving), 32 filters each
  • Cable compensation: network (Active DampingControl) Up to 2 Ω negative/positive wire compensation
  • Limiter: Peak, RMS voltage, RMS current, TruePower limiters on each output

All features:

  • Compact size and Light weight - all models only 1 RU and 12 kg (26 pounds) for easier racking and shipping
  • Powersoft legendary universal switch mode power supply up to 300VAC tolerant , compact, high performance
  • Power Factor Correction (PFC), reducing AC mains current draw and increasing voltage operating range (universal power supply)
  • Detachable AC mains cord
  • Low Inrush Limiting reduces AC inrush current, removing the need for expensive power sequencers
  • Fixed frequency switch mode output stage for highest grade audio accuracy
  • Patented output filter with ripple cancellation network
  • Front panel LCD interactive display and LED level meters
  • Lockable user menu for setting max output voltage, max mains current draw, digital gain/attenuation control, defeatable gate selection per channel, limiter and real time
  • Gain/sensitivity user selection capability (Digital gain attenuator)
  • Built-in defeatable Clip limiters for each channel
  • Monitoring of: load impedance, AC mains voltage and current, output voltage, internal temperature
  • Downloadable log file of all functional fault events with time related trace
  • Hardware monitor available for fast local diagnostics
  • Built-in Remote Control (RS 485 interface) for full diagnostic, operational setting and system monitoring, Armonía compatible
  • Temperature controlled continuous variable speed fan, front to rear airflow
  • Smart card reader for preset load/save, firmware upgrades and step-up power to K8/K10 (or K3)
  • Power on/off muting: for 4s at power on, and upon power off amplifiers outputs are muted
  • Neutrik XLR/1/4" Combo balanced input (link out on K2/K3) and Speakon® output connectors
  • Fully protected circuitry design including DC, infrasonic, high frequency, thermal overload and short circuit
  • Comprehensive protection circuitry:
  • DC protection: protects against infrasonic signals
  • VHF protection: protects the loudspeakers against strong very high frequency non-musical signals above the audible range.
  • Thermal protection: prevents the amplifier from being overheated. The protection indicators on the front panel are switched on, as a warning, before the protection process is initiated.
  • AC protection: shuts down the power supply if the line voltage is outside the operating voltage.
  • Clip limiter: prevents severely clipped waveforms from reaching the loudspeakers, whilst maintaining full peak power.
  • Full four years warranty

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