Excellent power amp in near perfect condition.
Basic Specs from ARCDB website:
– Power Output: 225 watts per channel into 8ohms, 1% THD. 360W per channel into 4ohms, both channels driven
– Frequency Response: (-3db points at 1W) 5Hz to 55kHz
– Input Sensitivity: 2.15V RMS for rated output (26dB Gain) single-ended or balanced.
– Input Impedance: 150K ohms single-ended, 300k ohms balanced differential
– Output Regulation: 0.06dB 8ohm loaded to open circuit (Damping factor 167)
– Power Requirements: 100-125VAC 60Hz (200-250VAC 50Hz) 488 watts at rated output (225WPC into 8ohms) 758 watts at 360WPC into 4ohms, 35 watts idle, standby 1W