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Pro-Ject Speed Box S

Pro-Ject Audio Speed Box S
Discontinued | The Listening Post Christchurch
Pro-Ject Speed Box S Speed Controller
Pro-Ject Speed Box SPurchase OnlinePrice per item: $299.00not currently available Enquire Now

Bring your turntable up to speed


Upgrade to 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 S performs this change by the push of a button between 33 and 45 rpm!



This is SUPERB and an ideal upgrade for and 16v A.C. Project Turntable.


Does not work on newer DC powered turntables. 



  • 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 AC motor, up to 3 watt 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)

The quartz regulation and filter circuit gives a far better speed stability for smooth and undisturbed motor operation. 78 RPM can also be handled using an additional adapter pulley.


Check out the brochure for more information:

Pro-Ject Speed Box S



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