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The Speed Box S is a very useful accessory for Pro-Ject turntables that do not offer a built-in electronic speed change. It performs with the push of a button, allowing extremely easy switching between 33 and 45 rpm.
  • Outboard power supply
  • Available in silver or black
  • Clean power
Brand: Pro-Ject
Model: Speed Box S

Call 0296006655 to order Due to our distributor's restriction, we can't sell this product online. Please call (02) 9600 6655 or Click here for Special Price & to order this product.


This unit will only work with AC powered turntables, and not DC powered units

The Speed Box S is a very useful accessory for Pro-Ject turntables that do not offer a built-in electronic speed change. It performs with the push of a button, allowing extremely easy switching between 33 and 45 rpm. The quartz regulation and filter circuit provide optimised speed stability for smooth and undisturbed motor operation. The Speed Box S is compatible with Pro-Ject turntables as listed below.

 Compatible with Debut Carbon, 1 Xpression III & Classic, RPM 5.1, Essential 2, 6-perspeX, RPM 1.3, RPM 9.2, RPM 10.1.

• 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  

• Outboard power supply included  

• Available in silver or black finish

Input: 18V DC

Output: 16 V AC / 190mA (up to 3W max)

Speed stability: +/- 0,001%

Power supply: 18V/500mA DC

Dimensions: 103 x 36 x 104 mm (WxHxD)

Weight: 560 g without power supply