Studer A 812 Otari MX-5050 B Teac Tascam Tascam DA-20 MK Fostex D-20 B Studer A-80 QC Marantz CDR 640 Tascam 122 MK Roth RX-NR4 Studer A-810 TC Tascam CD-RW Sony PCM-7040 Marantz CDR-630 Fostex D-30 Tascam 122 Nagra T Audio Otari MTR-100 A BASF SM 911 2- Stellavox TD9 Tascam 38 Fostex D-10 Panasonic Tascam MS-16 Tascam 34 B Nagra 4.2 Otari MTR-100 A BASF LPR 35 Teac AX-20 Mix DBX SNR-1 Studer B67 Studer A 807 Studer A-812 Sony PCM-2500 A Sony PCM-2700 A Studer A 807 Fostex PD-4 Revox PR-99 Tascam IF-AE8HR Tascam DV-RA BASF Emtec PER Revox PR-99 MK Tascam DA-20 BASF SM 911 2- Sony PCM-7040 Nakamichi 1000 Phase Linear