Studer A-727 Skytec TEC 2420 Studer A 727 Denon DN-C680 Studer A 727 Tascam CD-500 Studer A 725 Denon DN-C 680 Denon DNC680 Numark NDX-400 American DJ Studer A-727 Denon DN-C 680 Denon DN C680 Studer A 727 Numark NDX-500 EMT 986 Denon DN-C680 Numark NDX-400 DAP Audio CDR Denon DN C 680 Denon DN-C680 Studer A 727 Studer A 727 Denon DN-1000 F Denon DN-C 680 Studer A 725 Studer A 727 Studer D 731 Studer A-727 Denon DN C680 Centaura CD-AES Denon DN C 680 Denon DN-C 680 Denon DN-C 680