Sony PS-3000
Little is documented about the Sony PS-3000 under that exact designation. Nearly all surviving sources refer to the "PS-3000A," and no record explicitly confirms whether the two are synonymous. What is known concerns the PS-3000A: a high-fidelity belt-drive turntable that Sony built by combining its TTS-3000A servo-controlled motor unit with the long PUA-286 tonearm, mounted in a TAC-3 plywood plinth with a folding DU-8 dust cover. The PS-2000 and PS-3000 line appeared in Japan from 1966. The TTS-3000 motor evolved into the TTS-3000A around 1969-1970 and was produced until 1973.
The drive system is the technical story. Sony claimed this as the first belt-drive turntable with servo control of the motor's angular speed. It was a closed-loop arrangement: a magnetic system on the motor fed actual speed data back to the control electronics. The DC motor (Sony type D-502F) ran at 333 or 450 rpm and was joined to the platter's inner rim by a flat rubber belt. It sat isolated on a plate suspended by three calibrated springs. A wide front knob gave ±4.5% speed adjustment around 33⅓ and 45 rpm. The platter was die-cast aluminum, about 1.5 kg and dynamically balanced, with a stroboscopic rim lit by a small orange neon lamp.
The PUA-286 tonearm gets its own mention. The Vintage Knob described it as "one of the best tonearms ever made" and noted that it sold very well between 1967 and 1972, with updated PUA-1500L/PUA-1500S versions continuing to 1976. It was a static-balance, gimbal-mounted design on four micro ball-bearing races, with silicon-damped cueing, an anti-skating device, and 7", 10", and 12" cueing presets. Effective length was 28.6 cm, tracking error was held to a maximum of 1°24', and it took cartridges weighing 6-18 g. The model number referenced the effective length, and the arm was a longer sibling of the PUA-237 used on the PS-2000. It was originally intended for use with Sony's VC-8E moving-coil cartridge.
The plinth was entirely plywood with an oiled wood veneer, resting on four rubber feet, with the top plate decoupled via four adjustable springs. A bubble level was built into the motor unit's die-cast aluminum body. The "A" revision added rear ribs to that body to stiffen it and improve rumble performance. Current prices are anecdotal. A French specialist listing asked €1,699 for a reconditioned example (now out of stock), and a Canadian listing asked CA$1,400 for a PS-3000 fitted with a Shure SME 3009 arm rather than the original PUA-286.
Known specifications:
- Drive: belt, servo-controlled closed loop
- Speeds: 33⅓ and 45 rpm, ±4.5% adjustment
- Tonearm: Sony PUA-286, 28.6 cm effective length, gimbal bearing
- Dimensions: 53.8 × 19.6 × 40.1 cm (W×H×D)
- Weight: approximately 12 kg
No measured performance data (wow & flutter, rumble, S/N ratio) survives in the available record, and no independent period reviews have surfaced. The naming ambiguity between PS-3000 and PS-3000A remains unresolved.
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