The Recording The Master FOX C90 is a 90 minute type 1 audio cassette tape. These newly manufactured blank cassette tapes are based on the legendary SM900 magnetic audio tape formulation from BASF.
• Width: 3,81mm
• Length: 131m
• Recording time: 90min max
• Clear 5-screws tabs-in cassette
• Base film: Polyester
• Base film thickness: 8 µm
• Coating thickness: 5 µm
• Total thickness: 13 µm
• Coercivity: 370 Oe
• Saturation retentivity: 1480 G
• Oxide: Fe2O3