I purchased this item used, but the previous owner treated it with the care of a new product, and I, too, handled it with great care for six months, collecting everything. The DSD1024/PCM768kHz is still a cutting-edge DA converter. I couldn't afford it when it was first released, but I'm finally able to experience its refined, high-quality sound now that it's available for sale. Unfortunately, I'm letting it go because I purchased the ADI-2/4Pro. I've also downloaded the Japanese manual, so I hope you enjoy its diverse range of features. The vacuum tubes are also in good working order. Both the previous owner and I prefer the clean sound of solid-state, and I still feel that the vacuum tubes haven't fully aged. This is a device I hope audiophiles will love.