widely use high frequency power transformer

F5500 Power Amplifier
8Ω Stereo Power(RMS): 2x1500W
4Ω Stereo Power(RMS): 2x2400W
Frequency Response(+o/-0.3dB, 1W/8Ω ): 20Hz-20kHz, -3dB@135kHz
Power Bandwidth (rated power at 4Ω 1%THD+N): 20Hz-20kHz, -. 1.1dB/+0dB
TourClass Protection: ACL, IGM, AutoRamp, short circuit, DC voltage, turn-on/off transient, current inrush, sub/ultrasonic input
THD+N (1kHz 1W ): <0.05%
SMPTE IMD (rated power. 60 Hz & 7kHz): <0.01%
Damping Factor ( 1kHz): 248
Input CMRR (1kHz): >-60dB
Voltage Gain (rated power @ 8Ω ): X40dB
Input Sensitivity (rated power at 8Ω ): 0.7746V
Input Impedance (balanced/unbalanced): 20kΩ /10kΩ
S/N Ratio ("A"weighted, full power at 4Ω ): 98dB
Crosstalk ("A"weighted, full power@4Ω ): >-80dB
Class: 3 Step H
Input Connectors (per channel): Female XLR (pin 2+, configurable for pin 3+). TRS (tip+)
Output Connectors (per channel): 5-way binding posts or Speakon connectors (market dependent)
Supply Power: 5368W
Power Supply (factory configured): AC220V/230V, 50-60Hz
Cooling: Two side panel variable speed DC fans, better than conventional cooling
Controls Front panel: 2 attenuators, power switch; Rear panel: Signal ground lift & mode switches.
LED Indicators (per channel): Signal, Protect, Active, Critical
Construction: Steel chassis, 16 gauge. Casting Aluminum front panel.
Dimensions (HxWxD): 132x483x480mm (3U)
Net Weight: 41.7kg
Gross Weight: 44.5kg