Sony UX-Pro (1990 US) Cassette Tape Sony UX-Pro Cassette Description The Sony UX-Pro (1990 US) is a high-quality, blank audio cassette tape designed for professional recording and playback. It features a durable construction and is known for its excellent sound quality, making it a reliable choice for musicians and audiophiles. Sony UX-Pro Technical Specifications Tape Type: Type II Chrome EQ: 70 µs Sony UX-Pro Key Features Ceramic Tape Guides: The cassette features ceramic guides that enhance the tape's stability and sound quality. High Bias Formulation: The tape is formulated with a high bias, ensuring optimal performance in various recording conditions. Clear Case and J-Card: The cassette comes in a clear case with a J-card and stickers, making it easy to identify and store. Improvements over Previous Generation The Sony UX-Pro utilizes the improved Type II chrome tape formulation, which was enhanced around late 1987 to early 1988. This new formulation provides a 12% improvement in sound quality compared to the previous UX-S tape.