Pro-Ject Tube Box DS3 B Balanced Tube MM/MC Phono Preamp bdi-sigma Its compact 2U rack-mount chassis

Its compact 2U rack-mount chassis requires no additional clearance space

A grain-finished acoustic baffle with a spiral pattern promotes natural sound dispersion

Adjustable brightness 0% - 100%

Bluetooth® transmitter modulation GFSK/ π/4 DQPSK/8DPSK

and dual pumping bass radiators

Pro-Ject Tube Box DS3 B Balanced Tube MM/MC Phono Preamp bdi-sigma Its compact 2U rack-mount chassisTube 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)