Pro-Ject Speed Box DS


Electronic motor control and speed change



Upgrade to the best possible turntable performance with convenient speed changeover through keypress!

A very useful accessory for many Pro-Ject turntables, that do not offer a built-in electronic speed change. The Speed Box DS performs this change by the push of a button between 33 and 45 rpm! The quartz regulation and filter circuit gives a far better speed stability for smooth and undisturbed motor operation. Speed Box DS is compatible with a lot of Pro-Ject turntables (see list on homepage) and some also offer the possibility to play 78 rpm records with the addition of a special accessory pulley!


• Quartz-generated high precision electronic speed regulation with microprocessor control

• Sound improvement through motor running smoothness

• Clean power decoupled from mains interference

• Allows electronic speed change 33 & 45 rpm

• 78 rpm possible with optional accessory pulley

• Suitable for all turntables with 16 volt or 230 volt AC motor, up to 3 watts max. power consumption

• Metal case shields electronics from vibration and electromagnetic interference

• Small size allows installation close to record player

• DC power supply (< 1 watt standby power)

• Available in silver or black finish

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OUTPUT230V AC 13mA & 16 V AC 190mA
(up to 3W max) 40cm cable supplied
FINISHFront black or silver
POWER SUPPLY18V/1000mA DC (100-240 volts primary)
DIMENSIONS103 x 72 x 104 mm (WxHxD)
WEIGHT1360 g without power supply