Speed KeyThe Pro-Ject Speed Key is a simple device supplied with all Pro-Ject turntables that allows you to switch the drive belt from one pulley-rung to another without having to touch the drive belt.
Switching the rung of a pulley changes the platter rotation speed from 331/3 RPM to 45 RPM, but frequently handling the drive belt can cause it to degrade quickly - so the speed key reduces this risk.
Part Code: PSSPEEDKEY
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