Sony TTS-3000 - the first servo-controlled turntable

Introduced 1966

Platter: aluminum diecasting 30cm, 1.5 kg;

Motor: servo-controlled direct current motor;

Speed: 33 1/3 & 45 rpm;

Speed regulation system: frequency generator/frequency discriminator servo control;

Speed control range: ±5%;

Driving system: polyuretane belt drive;

Reduction ratio: 10:1;

Starting response: within 1 sec;

Wow & flutter: less than 0.05% rms;

S/N: Over 60 db (NARTB std.);

Turntable waving: within±0.05 mm;

Power requirement: 100, 117, 220, 240 V, 50/60 cps;

Power consumption: 4 VA;

Weight: approx. 5.8 kg;

Dimension: 370x130x380 mm