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Pro-Ject Speed Box DS – DEMO

$599.00 $499.00

Highly improved speed regulation through quartz drive and filtered power circuits.


Pro-Jects SPEED BOX DS offers a simple upgrade to your turntable, giving it precision speed control for pitch perfect playback.  Using hi-quality, quartz regulation and  filtered circuitry, motor speed is regulated for better stability, silky smooth operation and low noise into the drive motor.  If your turntable does not have a built-in speed controller, this is the upgrade you need.  The Speed Box provides both 33 and 45 RPM with the push of a button.


  • Quartz-generated high precision electronic speed regulation with microprocessor control
  • Sound improvement gains through greatly improved motor smoothness
  • Clean power decoupled from mains
  • Allows electronic speed change to 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)



2-4/5 inches (72 mm) High

4 inches (103 mm) Wide

5-3/5 inches (144 mm) Deep

Weight: 3 lbs (1.36 kgs)

Notes- This item is in DEMO condition, meaning it is an open box item that most likely has been used for display purposes by a manufacturer or distributor.