Alesis RA500 User Manual - Page 33

Specifications Reference 500 Size Rack units Weight Rated output, per channel 4 ohms @ 1kHz, .02% THD+N 8 ohms @ 1kHz, .05% THD+N 8 ohms, bridged mono mode Signal to Noise Ratio Frequency Response Damping Factor Slew Rate Input Sensitivity Maximum input level Input impedance Crosstalk 18.9" W x 5.63" H x 10.71" D (480mm x 143 mm x 272 mm) 3 RU height 28.5lbs = 13.0Kg 250 watts RMS per channel 150 watts RMS per channel 500 watts RMS 105dB, 22Hz-22kHz bandwidth referenced to rated output 10Hz - 70kHz +0, -3dB 200 60 V/µs (two channel), 120 V/µs (bridged mono) +4dBu (1.23 V) for rated output with input control at maximum +26 dBu 20k Ω, balanced, 10 kΩ unbalanced -85dB, 1kHz All measurements done over a 20Hz-22,000Hz range with 1KHz sine wave at Full Scale, except for the dynamic range which was done with a -60dBFS 1KHz sine wave. Dimensioned drawings RA150 RA150/300/500 Reference Manual 31