Digi Fi No.10 (May 2013) DigiFi Editorial Department Price: 3143 yen The book cover has folds and stains. The special appendix DAC was tested for playback by connecting it to a PC, Elekit vacuum tube amplifier, and headphones for this listing. It seems to be working fine. #DigiFiEditorialDepartment #Book #Lifestyle/Hobbies & Entertainment