Pro-Ject is a brand that specializes in manufacturing high-quality turntables and audio equipment.

Pro-Ject

The Pro-Ject Phono Box S2 Ultra is a fully discrete MM/MC phono stage designed for audiophile performance, featuring no operational amplifiers in its circuitry. This device focuses on delivering high-quality sound while minimizing unwanted noise through the use of polystyrene capacitors, which are considered premium components in the realm of audio equipment. Its RIAA equalization is split for precise adherence to the equalization curve, making it a standout in its price range. The phono stage includes switchable input impedance (10 Ohm, 100 Ohm, 1 kOhm, and 47 kOhm) and input capacitance options (100 pF and 220 pF), along with four gain settings (40dB, 43dB, 60dB, and 63dB) for customizable performance. Notably, it incorporates a subsonic filter that attenuates signals below 20Hz by -18 dB to further improve sound quality. The device is encased in a solid metal housing that protects against external interference while maintaining a compact form factor. Its dimensions are 103 x 37 x 119 mm, and it weighs 570g without the power supply. The phono stage offers RCA connections for both input and output, and it utilizes an external power supply to reduce noise further. In terms of sound quality, it is reported to be quiet at idle, with a dynamic range that allows for impressive reproduction of music across various genres, demonstrating a rich and natural sonic character.

Phono Box S2 Ultra

by Pro-Ject

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