Sony TTS-3000 (1966–1969)
A $149.50 belt-drive deck that ran its motor at a sixth of normal speed and earned the lowest rumble figure a reviewer had ever measured.
Overview
That was serious money in 1966, and Sony knew exactly what it was doing: this was a statement that the company's hi-fi ambitions went well past pocket radios.
What set the TTS-3000 apart was the drive. Sony called it the Servomatic, and the thinking behind it was unusual for the period. Rather than spinning the platter directly, the servo-controlled motor ran at roughly one-sixth the speed of a conventional turntable motor — a deliberate choice, since slower rotation means less mechanical vibration generated at the source. A belt-drive coupling between motor and platter then absorbed whatever vibration remained. The motor itself wasn't fed from the wall; it ran at low voltages supplied by a solid-state amplifier, and a small frequency generator continuously monitored platter speed, feeding any deviation back as an instantaneous compensating change in operating voltage. High Fidelity (November 1967, p.31) described the arrangement as an unusual use of transistors and came away calling it the quietest turntable with the most precise speed regulation then available.
That quietness is the number collectors remember. Sony's own advertising leaned hard on a High Fidelity rating of −77dB rumble, quoted as "the lowest rumble figure yet measured" — and the company repeated the claim across full-page spreads for years, which tells you it landed. The Servomatic ran both 33⅓ and 45 rpm, and a built-in illuminated strobe disc with speed control let the user dial the platter to the precise rpm desired.
The TTS-3000 wasn't sold as a lone curiosity. Sony positioned it as the front end of a complete component system — the TA-1120 integrated amplifier, the ST-5000 tuner, the TA-3120 power amps, the TA-4300 electronic crossover — and the deck turns up in period advertising as one line item in systems priced from $2001 on up to $2574.50. The TTS-3000 was the piece that made that point most directly.
It also found its way into broadcast work. A period survey noted that the TTS-3000 had done well in a number of broadcast stations — an interesting vote of confidence for a belt-drive deck at a moment when the industry was beginning to swing toward direct drive. Sony, for its part, was already teasing a direct-drive table for the Japanese market; the TTS-3000 was the servo belt-drive answer in the meantime.
eBay Listings
As an eBay Partner, we earn from qualifying purchases. This helps support our independent vintage technology research.