Pro-Ject Box DS + Preamplifier

MM and MC phono preamplifier

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This Pro-Ject Phono Box + phono preamplifier is the Austrian manufacturer's latest phono preamplifier. In terms of range, it comes between the already famous Phono Box DS and the amazing Phono Box RS.

Pro-Ject Phono Box DS +: front panel

It features the Box DS case except for the front panel that is adorned with a beautiful LCD blue screen displaying gain and charge information.

Pro-Ject Phono Box DS + phono preamplifier

This Phono Box DS + phono preamplifier is the manufacturer's first and unique in this range to feature a display and to give access to all the parameters. These ergonomics make the 'refining' on playback very practical… An advantage that shows very soon and that makes the DIP switch adjustment of competitor products look outdated!

It is possible to adapt the gain of 40 and 65 dB, the capacitive load for MM (47 to 357 pF) and input impedance (10 to 47 kOhm).

Pro-Ject Phono Box DS +: circuit

The RIAA circuit is not truly a Pro-Ject design. It is based on the drawings and integrated circuits developed by Dr. Sykora. He had published many articles about his research and studies in specialist magazines. Having said that, it's not a problem because Pro-Ject has always been honest about it and pays tribute to the designer.

This design generates amazing distortion levels (0.005%) and a signal-to-noise ratio (>90 dB!). Another noteworthy feature is that the RIAA accuracy is in line with the specifications across the entire frequency response within a 0.3 dB range!

The design only uses high quality components : low noise Op amp, polypropylene capacitors, etc.

Pro-Ject Phono Box DS + phono preamplifier

Pro-Ject Phono Box DS +: listening and review

We tried it with two cartridges of a similar range, one MM and a good MC on a mid-range turntable. We naturally tried all the adjustments and we have to say the display helps a lot.

Playback is precise and detailed. The timbres seem clearer on the Tube Box DS without any harshness and with substance.

The sound stage is precise and veryauthentic, although it does not have the depth and airiness of its counterparts worth twice the price…

The dynamics are great without being too physical, making this Pro-Ject phono preamp very versatile in terms of musical style.

With this Phono Box DS + phono preamplifier, Pro-Ject strikes again and shows that it is possible to be a benchmark in terms of turntables and a leader on the phono preamplifier market at the same time. Highly recommended!


Hi-Fi World - 2013


Compatible: MM and MC

Input impedance: 10/100/1000 ohms and 47 Kohms

Capacitive load (MM): 47pF/ 147pF/ 267 pF/ 367pF

Gain: High output MM and MC 40 dB and 45 dB

Gain: MC low output 60 and 65 dB

Signal-to-noise ratio: 90 dB

Distortion: 0.005%

RIAA accuracy: 0.3 dB between 20 Hz-20 kHz

Input and output: RCA

Consumption: 200 mA DC

Dimensions: 103 x 72 x 156 mm

Weight: 1100 g

Band d'essai Hi-Fi world

0.24 Mo - pdf



Hi-Fi World

Customer reviews
(1 review)

Customer reviews


Un préampli remarquable !

Les réglages en façade et sur l'écran sont extrêmement pratiques à l'usage et permettent aisément l'ajustement à l'oreille. Un appui prolongé sur la flèche basse provoque la mise et la sortie de veille. Ne pas oublier de sauvegarder ses réglages par un appui prolongé sur la touche "+" qui reviendront ainsi au prochain réveil. Sans cette précaution, les réglages par défaut reviennent systématiquement.
Le boîtier est finalement plus petit qu'on le pense en voyant les photos et l'écran est fin. De plus, il est cyan plutôt que bleu et bien lumineux.
La connectique est complète et de bonne qualité mais j'aurai plutôt vu les entrées en haut et les sorties en bas, voire réparties latéralement, ce qui aurait évité les croisements de câbles de modulation dans une organisation verticale.
Très bel appareil bien construit et très belle sonorité claire et précise. De plus, l'emballage du fabricant est très bien fait.

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Pro-Ject Box DS + Preamplifier

Pro-Ject Box DS + Preamplifier

MM and MC phono preamplifier

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