Sony UX-Pro (1986-1987 US) Cassette Tape Sony UX-Pro Cassette Description The Sony UX-Pro cassette tape, introduced in 1986-1987, is a high-quality Type II audio cassette designed for professional and enthusiast use. It features a unique ceramic insert acting as a precision tape guide block, enhancing its durability and sound quality. Sony UX-Pro Technical Specifications Relative Sensitivity: +0.7 dB THD @ Dolby Level: 0.35% MOL400(THD=1%): +4.0 dB MOL400(THD=3%): +7.0 dB MOL1k(THD=3%): +6.3 dB SOL10k: -2.3 dB Bias Noise: -53.2 dB, -56.9 dB(A) Dynamic Range: 63.9 dB Sony UX-Pro Key Features Unique Ceramic Insert: The ceramic insert acts as a precision tape guide block, enhancing the tape's durability and sound quality. High-Quality Tape: The UX-Pro features high-quality Type II tape, known for its low distortion and wide dynamic range. Rigid and Heat Resistant Shell: The shell is welded, providing a rigid and balanced structure that resists heat well. Improvements Over Previous Generation The UX-Pro tape represents an improvement in Sony's Type II formulation, which was enhanced around late 1987 or early 1988. This new formulation improved the tape by 12%, making it a significant upgrade over the previous UX-S tape.
