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Power Box S3 Phono

Clean power for your phono setup

Double power for turntable and phono preamp!

Power Box S3 Phono is a very efficient and flexible power filter for your turntable and phono preamp. By placing the power supply outside of the main component, potential noise and audio signal contamination is avoided. Clean energy contributes significantly to the sound quality. Its two outputs are specifically engineered to power Pro-Ject turntables and phono preamps. The sophisticated DC filtration can have a dramatic impact on the sound quality. In addition to the sound improvements, Power Box S3 Phono also offers its users a cleaner cable solution avoiding PSU and cable mess.

*ATTENTION: NOT SUITABLE for the following turntables: X8, Xtension 9, Xtension 10, Xtension 12, RPM 9, RPM 10, Signature 10, Signature 12. For these turntables we recommend the Power Box RS2 Phono or Power Box RS Uni TT.


  • NEW all in one power supply for your phono setup
  • NEW compatible with all 18V Phono Boxes
  • NEW compatible with all 15V DC turntables*
  • Ultra stable & clean power
  • Low noise power output
  • Linear voltage regulation
  • Low ESR capacitors
  • Rigid aluminium casing protects against interference
  • Available in black or silver
  • Made in Europe

Features & Specifications

Input power supply: 18V / 1000mA
Output voltage/ripple: 1 x 15V ±0,5%
Output voltage/ripple: 1 x 18V ± 0,5%
Output current: both outputs combined max. 1000 mA
Dimension (W x D x H): 103 x 37 x 106 mm
Weight: 370g without power supply

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