Sony PSX-800 (Years unknown)

Almost everything documented about this model comes from one place: a December 1981 equipment profile in Audio magazine. The period press wrote the name PS-X800. The Archive's records say PSX-800. The magazine called the turntable an unusually sophisticated design approaching the ultimate in present-day practice. The same issue's cutaway diagram showed the Biotracer tonearm's vertical-velocity sensor and a Hall-element balance sensor at the horizontal pivot. Audio (December 1981, p.52) offered that assessment, and the full profile begins on p.50.

Beyond that review, the record is thin. The Archive has no confirmed production years, original price, or service literature for the PSX-800. What the review documented:

• Speeds: 33⅓ and 45 rpm
• Motor: direct-drive, linear torque, brushless and slotless
• Wow & flutter: 0.025% WRMS
• Rumble: 78 (unit cut off in the scan)
• Tonearm: Electronic Biotracer
• Tracking error: ±0.05 degree
• Facilities: repeat, reject, record size selection
• Dimensions: 17⅞ in (44.77 cm) wide (the rest of the dimension list is partial in the scan)

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