Rotel RC-870BX Hi-Fi Stereo Pre-Amplifier for Sale. This is one for the discerning audiophile. The RC-870’s pure sound quality has always been described as being beyond reproach - to which I concur. Item has been thoroughly inspected and soak-tested. Results of bench tests confirm all values are as per manufacturers specifications. Specifications:Frequency Response: Phono, RIAA 40 Hz to 100 kHz, ± 0.2 dB; High level, 4 Hz to 100 kHz, +0,-3 dB.THD: High level, 20 Hz to 20 kHz, less than 0.004%.SMPTE IM: High level, less than 0.004%.Input Sensitivity: MM phono, 2.5 mV; MC phono, 360 uV; Compact Disc, 450 mV; tuner or tape, 150 mV.Overload Level: MM phono, 150 mV; MC phono, 20 mV; high level, 5 V.S/N: MM phono, 78 dB; MC phono, 64 dB; high level, 95 dB.Power Consumption: 20 watts.Dimensions: 43 cm x 6.6 cm x 31.7 cm (17 in. W x 2 5/8 in. H x 12 1/2 in. D).Weight: 5.2 Kg. (11.4 lbs).Made in Japan. Slight scuff marks on fascia and knobs (see pics), but no other issues. Thanks for looking.