I purchased this at a musical instrument store, but I'm selling it because I haven't used it much. There are no rack marks, and it's in beautiful condition. Of course, it is fully functional. Solid State Logic Pure Drive Quad Genuine Japanese product. Retail price: 198,000 yen Includes: Main unit, power cable, documents, original box (complete). SSL's 4-channel preamp with a USB interface function that adds two drive modes to the SuperAnalogue preamp. PURE DRIVE is a multi-channel preamp based on the PureDrive preamp, which allows you to switch between the clean SuperAnalogue preamp sound and drive tones of the traditional SSL ORIGIN, and is equipped with new Asymmetric Drive, ADAT/AES/EBU digital connections, and an onboard USB interface. No smoking, no pets.