SM5872 1-bit D/A converter: Marantz used the advanced 1-bit delta-sigma conversion (from NPC) for this model. This technology ensures extremely high linearity at zero crossing and ensures a clear, open sound without the harshness of older digital converters. To ensure reliable functionality, we test the devices with special test CDs. Using the so-called "eye pattern", which is measured with an oscilloscope, we can determine how well the laser reads the information on the CD. We use this data to decide, among other things, whether devices are still suitable for sale. whether the laser unit needs to be replaced. The devices are presentable . There may be a few small blemishes on the front and/or a few small paint scratches (no longer than approx. 5cm) must be present. From approx. At a d.
eBay