Pro-Ject Introduces Two Affordable Tube Phono Preamplifiers

The Pro-Ject Tube Box S3 B features balanced circuitry, a 5-pin Mini-XLR input, XLR outputs, and a dual-mono layout for optimal vinyl audio quality.

With adjustable gain from 40 to 65 dB, the Tube Box S3 B supports both MM and MC cartridges, including low-output variants.

The Pro-Ject Tube Box E is a compact entry-level preamp with active/passive RIAA equalization and swappable ECC83 tubes for customizable audio tonality.