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【產品規格】: POWER OUTPUT 400 watts into 8 ohm loads 500 watts into 4 ohm loads OUTPUT LOAD IMPEDANCE 8 ohms or 4 ohms RATED POWER BAND 20Hz to 20kHz TOTAL HARMONIC DISTORTION 0.1% maximum harmonic distortion at any level from 250 milliwatts to one-half of rated power output, 20Hz to 20kHz; 0.5% maximum harmonic distortion at any level from one-half to full rated power output, 20Hz to 20kHz DYNAMIC HEADROOM 1.7dB 8 ohm load 2.7dB 4 ohm load FREQUENCY RESPONSE +0, -0.5dB from 20Hz to 20kHz +0, -3.0dB from 10Hz to 70kHz INPUT SENSITIVITY 4V Balanced 2V Unbalanced A-WEIGHTED SIGNAL TO NOISE RATIO 90dB (116dB below rated output) Balanced 87dB (113dB below rated output) Unbalanced INTERMODULATION DISTORTION 0.1% maximum if instantaneous peak power output does not exceed the rated output for any combination of frequencies from 20Hz to 20kHz WIDE BAND DAMPING FACTOR Greater than 320, 8 ohm load Greater than 160, 4 ohm load INPUT IMPEDANCE 10K ohms Balanced and Unbalanced VOLTAGE GAIN 29dB TRIGGER INPUT 5-15VDC, <1mA TRIGGER OUTPUT 12VDC, 50mA maximum, delayed 0.2 seconds OVERALL DIMENSIONS Width 17-7/8 inches (45.4 cm) Height 3-3/8 inches (8.6 cm) including feet Depth 20 inches (50.8 cm) including cables WEIGHT 26.5 pounds (12 kg) |