Features: ? Soft start ? Bridge/Stereo transfer output ? Can switch 150Hz low frequency output, ? Protection functions: Over-flow, over-heat, over-load, and short-circuit ? High Performance DC Fans ? High Efficiency And Low Emission , Toroidal Transformer 1KHz,0.01% THD+N EX-300 EX-500 EX-600 EX-700 EX-1000 8? Stereo Power 250W 350W 500W 650W 1200W (.03%THD+N) 4? Stereo Power 400W 550W 800W 950W 2000W(.03%THD+N) 2? Stereo Power 600W 800W 900W 1800W 2600W(.03%THD+N) 8? Bridge Mono Power 900W 1200W 1800W 2600W 3600W(.03%THD+N) 20Hz-20KHz, 0.1% THD+N 8? Stereo Power 245W 350W 550W 850W 1000W 4? Stereo Power 400W 500W 800W 1100W 1700W 2? Stereo Power 450W 700W 900W 2200W 2400W 8? Bridge Mono Power 800W 1000W 1600W 2200W 3400W Max RMS output Voltage(each channel) 58V 73V 82V 90V 140V Max Peak Output Voltage 82V 103V 116V 126V 99V Frequency Response(+0/-0.3dB,1W/8?) 20Hz-20KHz, - 20Hz-20KHz, - 20Hz-20KHz, - 20Hz-20KHz, - 20Hz-20KHz, - Power Bandwidth(rated power at 4?, 1% THD+N) 20Hz-20KHz, -9dB/+.5dB 20Hz-20KHz, -1.1dB/+0.5dB 20Hz-20KHz, -.84dB/+0dB 20Hz-20KHz, -.3dB/+.85dB 20Hz-20KHz, -2dB/+.2dB THD+N(rated power at 4?, 1KHz)) <0.01% <0.01% <0.01% <0.01% <0.03% SMPTE IMD (rated power, 8?,60Hz &7KHz) <0.01% <0.01% <0.01% <0.01% <0.01% Damping Factor(10-400Hz at 8?) 550:1 400:1 700:1 800:1 800:1 Input CMRR(1KHz) >60dB >60dB >-60dB >-60dB >-70dB Standard Input Sensitivity(rated Power at 8?)? 0.775V 0.775V 0.775V 0.775V 0.775V Standard Voltage Gain (rated power @ 8?)? X61 X68 X86.5 X97.5 X115 Input Impedance(balanced /unbalanced) >20k?/>10k? >20k?/>10k? >20k?/>10k? >20k?/>10k? >20k?/>10k? Hum and Noise(A Weighted, full power at 4?) -105dB -105dB -105dB -105dB -115dB Crosstalk (A Weighted, full power at 4?) >-60dB >-60dB >-60dB >-60dB >-80dB Class AB H H H H Input Connectors(per channel) Female XLR(pin 2+,configurable for pin 3+), TRS (tip +) output Connectors(per channel) 5-way binding posts (2 pair on PL4800ii) or SPEAKON connectors (market dependent) Filter Storage u F40000 u F60000 u F80000 u F120000 u F150000 Power Supply (factor configured) 220V, 50-60Hz 220V, 50-60Hz 220V, 50-60Hz 220V, 50-60Hz 220V, 50-60Hz Thermal Emissions(1/8 Power, 4?) 2030 BTU/hr 2630 BTU/hr 3250 BTU/hr 4750 BTU/hr 7125 BTU/hr Thermal Emissions(1/3 Power, 4?) 2726 BTU/hr 3713 BTU/hr 4341 BTU/hr 6300 BTU/hr 9450 BTU/hr Cooling Two real panel variable speed DC fans, filters detachable without tools Controls Front panel: 2 attenuators, magnetic circuit breaker/power switch; Real panel, signal Ground lift & mode switches, LED Indicators (per channel) Clip/Limit, Signal, Temp./DC, Active Construction Dimensions Steel chassis, 16 gauge, Double thickness in rack ear areas (Height*Width*Depth to real rack ears) 3.5 19 18 3.5 19 18 3.5 19 18 5.25 19 18 5.25 19 18 133*483*400 133*483*400 133*483*400 133*483*400 133*483*400 Gross Weight 46IBs(20.88KG) 49IBs(22.24KG) 52IBs(23.60KG) 72IBs(32.68KG) 82IBs(37.23KG) Net Weight 41IBs(18.61KG) 41IBs(19.97KG) 47IBs(21.3KG) 67IBs(30.42KG) 77IBs(34.96KG)