Automatic Belt-Drive Turntable (1977-1978)
Drive: precision flat belt for flywheel drive
Motor: Dual 8-pole synchronous motor
Starting time: 2s to 33.33rpm
Platter: non-magnetic, dynamically balanced, detachable, 1.3kg, 304mm
Speeds: 33.33 and 45rpm
Pitch control adjustment: 1 semitone (6%)
Speed control: with stroboscope for all speeds
Wow and flutter: +-0.09%
Tonearm: torsion-resistant tubular aluminium tonearm in four point gimbal bearing
Effective length: 221mm
Stylus pressure: 0-3g
Cartridge holder: removable for 1/2" cartridges from 5.5 to 10g
Adjustable overhang: 5mm
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Dual 504 / CS504 owners manual, service manuals and schematics are for reference only and the Vinyl Engine bears no responsibility for errors or other inaccuracies. The PDF files are provided under strict licence. Reproduction without prior permission or for financial gain is strictly prohibited. This website is not affiliated with or sponsored by Dual.