3PHASE Series Networkable Digital Power Amplifiers

Product description

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www.pknaudio.com/3phase_eng.html


Main Features


     

  • Worldwide highest output power level and greatest extra headroom

  • Three or Single* phase very wide range of AC line operation with APFC

  • Easy interfacing to the 3X 400V** distribution without Neutral connection

  • Reduced current draw and line cabling cost, saves lots of copper

  • No more line-to-line balance problems, moreover the amp helps to keep the best symmetry betweenphase conductors in 3 Phase operation mode

  • Fault-tolerant to power line anomalies, still operational with 2 phases

  • Network control over standard ETHERNET

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  • Full soft switching implemented with very high power conversion efficiency

  • Supercompact size and small weight in rugged 1RU steel case

  • Easily readable large format display and accurate output level metering

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Contact details

PKN Audio Kft.

Melencei u. 46
8000 Szekesfehervar
Hungary

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Range of services

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Technical Specifications

Parameter PKN 3PHASE-40K PKN 3PHASE-20K Channel number 4 input/ 4 output 2 input/ 2 output Output Power 8 Ohms 4 x 4000W 2 x 4000W Output Power 4 Ohms 4 x 7500W 2 x 7500W Output Power 2.6 Ohms 4 x 10000W 2 x 10000W Bridged Output Power 8 Ohms 2 x 8000W 1 x 8000W Bridged Output Power 4 Ohms 2 x 15000W 1 x 15000W Bridged Output Power 2.6 Ohms 2 x 20000W 1 x 20000W Peak Output Voltage per Channel 256V (181Vrms) Peak Output Current per Channel 130A Power Supply Dual, Two independent High Frequency Resonant Switching with active Power Factor Correction Typical Power Factor >0.92 above 2000W AC Power input in Three Phase mode 3x 400V (25A**) no Neutral connection needed AC Power input in Single Phase mode 230V (63A**) Operational AC Voltage range in Three Phase mode 3X 208V- 3X480V 45...65Hz Still operational in case of single phase loss Operational AC Voltage range in Single Phase mode 90V- 275V** 45...65Hz 400Vac proof in single-phase mode Maximum AC line current draw in Three Phase mode 3X 32A (Separated AC Power limiter for AB and CD Channels) 3 x 16A Maximum AC line current draw in Single Phase mode 80A 40A Inrush current limiting Yes, very soft turn-on Minimum Operational AC input 65V (Single Phase mode) AC Overvoltage Proof 1.5 KV in Three Phase mode, 0.75 KV in Single Phase mode Signal to Noise ratio (with “A-weighed” filter) 112dB Frequency response (+/- 0,05dB) 20Hz – 30KHz Frequency response (+/- 3dB 5Hz - 60Khz (High Frequency filter off) Damping factor (20-100Hz, 8R****) >12000 Damping factor (1KHz, 8R****) >6500 THD + IMD (20Hz - 20kHz full power) 0.15% max (typical <0.05%) Output Slew Rate 100V/us (Input and HF filters bypassed) Crosstalk (A <-> B), (C <-> D) >75dB Crosstalk (AB <-> CD) >106dB - Output protections CCM (0 Ohm STABLE), Overload, Short circuit, HF, unmatched loads, DC fault, lost connection, Programmable limiters Input sensitivity (analog inputs) 0.775Vrms or 2Vrms (configurable from the menu) Input impedance 10K+10K, Balanced Output connectors 4X NEUTRIK NLT4M* 2X NEUTRIK NLT4M* Input connectors 4X NEUTRIK XLR 2X NEUTRIK XLR Networking Standard Ethernet Built-in DSP Optional Size 1RU, 455mm depth 1RU, 285mm depth Limiter Output Voltage (1V/step), Sustained Output Power Limiter (10W/step) Latency from the analog inputs 1 ms Weight 13,7 Kgs 8 Kgs Operational temperature range 0C - +45C Built-in DSP Optional Cooling Forced air cooling with hidden high-performance FANS , Front to rear airflow

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