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Pro-Ject Speed Box S2


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Warranty length 2 Years
Brand Pro-Ject

Tech Specs

- Input: 18V/ 500mA
- DC: 220-240V, 50Hz
- Out: 16V AC 190mSA (up to 3W max)
- Speed Stability: +/- 0.001%
- Finish: Front black or silver
- Power Supply: 18 V/500 mA DC
- Dimensions (WHD): 103 x 36 x 104mm
- Weight: 560g

Product Description

Pro-Ject Speed Box S2, featuring electronic motor control and speed change, upgrades 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 S2 performs this change by the push of a button between 33 and 45rpm. The quartz regulation and filter circuit gives a far better speed stability for smooth and undisturbed motor operation. Speed Box S2 is compatible with a lot of Pro-Ject turntables such as Pro-Ject Debut III, Debut Carbon, 1-Anniversary, Art-1, 1-Xpression III & Classic, RPM-5.1, Essential, 2-Xperience Acryl & Classic, 6-perspeX, RPM-1.3, RPM-9.1X, RPM-9.2, RPM-10.1, some of which also offer the possibility to play 78rpm records with the addition of a special accessory pulley!

Please Note:

Speed Box S2 should not be used with the following turntables: Debut III E, Debut II Phono USB, Debut Carbon (all non-US versions), Essential Phono USB, Juke Box (all types), 1-Xpression III Comfort, X-tension (all types).

Key Features

- 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
- Metal case shields electronics from vibration and electromagnetic interference
- Small size allows installation close to record player
- DC power supply (< 1 watt standby power)

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