Pro-Ject Tube Box DS3 B Balanced Tube MM/MC Phono Preamp bdi-sigma Melody” and was traditionally used

Melody” and was traditionally used to accompany music performances

360° soundstage

and dual pumping bass radiators

The SPU GTX E combines the warmth of the classic SPU series with modern engineering to deliver exceptional audio clarity

Pro-Ject Tube Box DS3 B Balanced Tube MM/MC Phono Preamp bdi-sigma Melody” and was traditionally usedTube phono stages have been an integral part of our product portfolio for many years. The latest Tube Box DS3 B adds balanced capability to the mix, making this our first True Balanced tube phono preamp. The design benefits from an outstanding dual mono circuit layout with discrete components assembled with expertise in Europe. Its a hybrid design utilizing tubes in the input & gain stages. All electrical components (including the tube output stage)