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The Sony D-515 was a flagship Discman released in 1992, positioned as a more advanced model than the D-311, which was also manufactured that year. It was the first Sony Discman to incorporate Sony's Electric Shock Protection (ESP) technology. This technology functions by reading ahead, spinning the CD faster, and storing the data in a buffer. The D-515 features a three-second buffer, whereas some newer Discman models have ten-second buffers. ESP can be enabled or disabled as

The Sony D-10, known as the D-100 in the Japanese market, was the flagship Discman released in 1988. Priced at approximately $350 USD, the D-10 distinguished itself in several notable ways. Measuring 5 inches in length and width, and only 3/4 inch in thickness, it was the thinnest portable CD player available at the time. It is remarkable how Sony's engineers managed to incorporate the motor, disk drive, laser, and all digital decoding circuits into such a compact design. By

The D303, launched in 1991, is regarded as one of the finest-sounding Sony Discman models ever produced. It was the first portable CD player to incorporate 1-bit digital-to-analog conversion, which enhances power efficiency, reduces costs, and minimizes conversion errors. The D-303 features an elegant, smooth, contoured design, with well-positioned and clearly labeled buttons. Its integrated LCD screen provides essential information such as track number, elapsed time, and pla

Sony CD Walkman D-EJ01 Portable CD Player The Sony CD Walkman D-EJ01, launched in 1999 as the 20th Anniversary Edition of the Walkman, exemplified the pinnacle of Sony's technological advancements at that time and continues to impress with its design. Key features include its distinctive eye-like remote control, a durable magnesium alloy casing, and its unique slot-loading mechanism, making it the only portable CD player globally with such a feature. Additional functionalitie

The Sony CD Walkman D-82 is among the most compact portable CD players ever produced. Unlike its counterpart, the Sony Discman D-88, the D-82 is specifically designed to play only 8cm CDs. It features an internal battery, eliminating the need for an external battery pack. Available in black and white, the D-82 boasts exceptional build quality, with both its plastic and metal components feeling durable and substantial. Sony CD Walkman D-82 Sony CD Walkman D-82 Sony CD Walkman

Sony Discman D-J50 Portable CD Player The Sony D-J50 is an exceptionally slim CD player, with a thickness only slightly greater than that of a CD jewel case, even with the battery included. This is achieved through advanced technology integrated into the unit, including a newly developed optical pickup laser coupler, a thin brushless motor, highly integrated circuits, and other innovations by Sony. The familiar ring shape makes a return on the lid of the D-J50. In previous mo

The Technics SU-CD50 is an integrated amplifier, introduced in 1987, designed to match the dimensions of a CD jacket. At its launch, it was priced at approximately 50,000 Japanese Yen. The amplifier measures 126mm in width, 127mm in height, and 185mm in depth. Despite its compact size, it offers an output of 40 watts + 40 watts at 6 ohms, with a remarkably low Total Harmonic Distortion (THD) of 0.009%. The unit weighs approximately 3.2 kg, excluding the CD player positioned o

The Sony D-10, known as the D-100 in the Japanese market, was the flagship Discman model released in 1988. It was priced at approximately $350 USD. The D-10 distinguished itself from competitors in several ways. Measuring 5 inches in length and width, and only 3/4 inch in thickness, it was the thinnest portable CD player available at the time. It is remarkable how Sony's engineers managed to incorporate its motor, disk drive, laser, and all digital decoding circuits into such

The Sony CD Walkman D-82 is among the smallest portable CD players ever manufactured. Unlike its counterpart, the Sony Discman D-88, the D-82 is designed exclusively for playing 8cm CDs. The D-82 features an internal battery compartment, eliminating the need for an external battery pack. It is available in both black and white. The build quality is exceptional, with both the plastic and metal components providing a robust and substantial feel. Sony CD Walkman D-82 8cm Portabl

Sony Discman D-88 Portable CD Player The Sony Discman D-88 is among the smallest Discman models ever produced. Another CD player of similar size is the D-82 CD Walkman, also manufactured by Sony. The D-88 measures 95mm by 95mm, making it even smaller than a CD jewel case, yet it can play standard 12cm / 120mm CDs. In contrast, the D-82 is limited to playing 8cm mini CDs. To achieve such a compact size, certain compromises were necessary. The battery is not built-in; instead,