2-Speed Fully automatic Idler-drive turntable
The Dual 1228 can be used on 50 or 60Hz mains supplies with the appropriate motor pulley fitted.
Drive is via a 4-pole synchronous motor and idler to a non-magnetic, 1.8kg 270mm diameter platter.
The unit supports 33 1/3 and 45rpm speeds and has an automatic tonearm set-down coupled to the speed selector.
Pitch control can be adjusted approximately one semi-tone (6%) at both platter speeds and checked via the stroboscopic light.
The 1228 comes fitted with a torsion resistant, aluminium tonearm with universal four-point gimbal suspension and accepts all standard 1/2 inch mount cartridges with a dead weight (including fixtures) of 2-8g.
Power supply: AC, 50 or 60Hz, changeable by changing motor pulley
Power supply voltage: 110-130V and 220-240V switchable
Drive: 4-pole synchronous motor with radial-elastic suspension
Platter: non-magnetic, 1.8kg, 270mm
Speeds: 33, 45rpm
Pitch control variation: 6% at both platter speeds
Wow and flutter: less than 0.09%
Rumble: -59db (weighted)
Tonearm: torsion resistant, tubular aluminium in self-adjusting pivot bearing
Cartridge holder: removable, accepts all 1/2" cartridges from 2 to 10g
Dimensions: 329 x 274mm (+ 28mm tonearm overhang)
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Dual Idler Drive Turntables
Dual 1228 / CS1228 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 for financial gain is strictly prohibited. This website is not affiliated with or sponsored by Dual.