Sony CDP-101
The machine that made the LP record start looking like a 78.
Overview
The CDP-101 is the first Compact Disc player sold to the public, and everything about it announces a new era — a black front panel that Audio (November 1982, p.43) described as connoting "elegance and space-age electronics," a motorized disc drawer that swallows a 4.72-inch platter with no spindle to fumble over, and a slim infrared remote (the RM-101) included at no extra cost that duplicates nearly every front-panel function, including direct track access via a 0-to-9 keypad. Press the open/close button and the drawer glides out smoothly; drop the disc in, touch play, and music begins in a few seconds. The digital display at the right shows the track number, then minutes and seconds played, and a "Time Remaining" button flips it to time left on the disc.
Inside, the numbers were the point. Sony rated the player's frequency response at 5 Hz to 20 kHz, ±0.5 dB, with a signal-to-noise ratio greater than 90 dB, channel separation greater than 90 dB at 1 kHz, and harmonic distortion of 0.004%. Dynamic range was quoted as greater than 90 dB. The readout is optical, using a semiconductor laser at 0.78-μm wavelength tracking pits roughly 0.5 μm across and 0.11 μm deep, inscribed in tracks just 1.6 μm apart — the "three-spot method" of servo-controlled lateral tracking that Audio walked through in its sidebar. The conversion format is 16-bit at a 44.1 kHz sampling frequency, and the electronics lean on three Large Scale Integrated circuits plus a 16k RAM to handle demodulation and error correction. Wow and flutter, in the digital domain, is simply not measurable — Audio (November 1982, p.43) noted the term is meaningless once the recovered code is clocked out of memory by a quartz reference. Line output is fixed at 2.0 volts nominal, higher than many preamp inputs expect, and a headphone jack with its own level control sits at the lower left of the front panel.
The measurements Audio published, drawn from Sony's own data because the reviewer's test disc hadn't arrived, held up under scrutiny: separation stayed above 90 dB except at the very top, dipping to 88 dB at 20 kHz, S/N plotted at 96 dB below reference, and THD under 0.003% from 60 Hz to 8 kHz, rising to just over 0.01% at 18 kHz. The reviewer's reaction — "I find it difficult to remember that I am talking about a disc player" — captures what made this machine a watershed.
The rear panel carries a few curiosities worth knowing. There's a sync output that works with several of Sony's logic-IC cassette decks, pausing a dub when the player is paused, plus a beep on/off switch tied to the remote, an "Anti-Shock" switch that the reviewer could not detect making any difference in operation, and an Accessory Port for a more elaborate separate remote. The unit measures 14 inches wide, 4½ inches high, and 12¾ inches deep, and weighs 16.7 lbs.
Pricing was still unsettled at launch. Sony announced a Japanese price of 168,000 yen in early September 1982, which at roughly 250 yen to the dollar worked out to around $670 for Japanese buyers; Audio (November 1982, p.43) figured U.S. pricing would land 25% to 30% higher when the player arrived stateside, and Sony could not yet confirm a U.S. date — the best estimate being early to mid 1983. The CDP-101 did not reach the United States until 1983, and when Bert Whyte looked back on the format's first decade in Audio (April 1992, p.38), he recalled using a CDP-101 for those first CD reviews alongside John Eargle's NEC CD-803 — "quite straightforward, very basic players, typical of the units being sold at that time."
That's the honest frame for the CDP-101 today. It is a landmark, not a daily driver. The drawer mechanism, the laser assembly, and the early LSI chips are all pushing four decades of age, and parts support is what it is for any first-generation digital product. Collectors chase it because it is the machine that started the format — the one whose owner's manual carried the line, "I am convinced that, sooner or later, the analog LP record will have to go the way of the 78." Whether that prediction aged well is a matter of taste; that the CDP-101 made it credible is not.
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