Marantz DP-870 Digital Processor dp870 surround sound processor

Output Level/Output Impedance (MAIN L/R, CENTER, SURROUND L/R, 1 kHz, 0 dB INPUT) 0~3.5 V/500 W, (SUB WOOFER, 50 Hz, 0 dB INPUT) 0~9.0 V/500 W; Input Impedance (RF, COAXIAL) 75 Ohms; Frequency Response (MAIN L/R, CENTER, SURROUND L/R-LARGE SETTING- 20 Hz - 20 kHz) plus or minus 0.1 dB; Filter Characteristics (MAIN L/R, CENTER, SURROUND L/R-SMALL SETTING-H.P.F.) fc=100 Hz, 12 dB/oct., (SUB WOOFER L.P.F.) fc=100 Hz, 24 dB/oct.; Total Harmonic Distortion (MAIN L/R, CENTER, SURROUND L/R-1 kHz-) 0.01% or less, (SUB WOOFER) 0.1% or less; Signal to Noise Ratio (IHF - A) 98 dB; Channel Separation (1 kHz) 80 dB; Power Supply AC 120 V/230 V, 50/60 Hz; Power Consumption 30 W; AC OUTLET UNSWITCHED 200 W max.; Dimensions 439mm (W) x 86mm (H) x 301mm (D)