(if provided). The 3,5 mm connector (supplied) can be used to connect your Pro-Ject Debut III/Phono USB to any line level/auxiliary input (Computer, Midi System, Mixer etc.).
(3) over the larger diameter part of the motor pulley (2). Refit the platter. To revert to 33,33 r.p.m. repeat the proceedings using the smaller step on the pulley. When the Pro-Ject Speed Box ore the Speed Box SE are used speed change between 33 and 45 r.p.m. is electronic. There is no need to move the belt manually.
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