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About the DCM-520
The Denon DCM-520 is a compact disc changer manufactured between 1991 and 1994. It supports automatic playback of up to five CDs with the ability to replace four discs during operation. It features a 20-bit Lambda super linear digital-to-analog converter and a digital filter with eight-fold oversampling for high-quality audio reproduction. The unit offers a coaxial digital output, program storage for favorite tracks, intelligent CD selection, and a remote-controlled motor-driven volume control. It has an aluminum front panel and a display showing disc number, track number, elapsed time, and playback modes including programmed playback with up to 20 tracks and three shuffle play modes. The DCM-520 includes a headphone output with adjustable volume and comes with an RC-239 infrared remote control. Technical specifications include a frequency response of 2Hz to 20kHz, dynamic range of 98dB, signal-to-noise ratio of 110dB, channel separation of 102dB, and total harmonic distortion of 0.003%. The unit outputs a fixed 2.0V line output and a variable output from 0 to 2.0V. It measures 434 x 114 x 388 mm and weighs approximately 6 kg. The power consumption is about 11 watts. The DCM-520 was originally priced around 999 Deutsche Marks and is no longer manufactured.
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