Integrated in the reference range –RS- of the surprising and effective electronic Design Box of Pro-Ject, the Pre Box RS Digital is a very complete product that combines all the functions of the powerful digital audio processor DAC Box RS plus an extremely linear response pre-amplification circuitry whose output section can function, at the user's choice, at transistors configured in Class A or valves (6922 triodes). Added to this is a very high-performance headphone amplifier with adaptive output impedance to achieve a perfect match for all types of headphones, while an analog input allows the user to connect even a turntable. As standard on all Box Design RS Series models, the Pre Box RS Digital uses a fully balanced architecture with both input and output XLR and RCA jacks. Additionally, it is possible to select between two D / A conversion “chips” (PCM1792, 24-bit / 192 kHz and very musical; PCM5102, 32-bit / 384 kHz and more analytical). Finally, the presence of an I2S interface with a separate master clock output makes the Pre Box RS Digital the best possible complement to the unique CD Box RS transport mechanics by drastically minimizing the jitter rate.
Features: - Selectable transistor / valve output section. - Completely double monophonic and balanced architecture. - High resolution D / A conversion compatible 32 bit / 384 kHz. - Possibility of selecting between two DAC subsystems. - Headphone amplifier with impedance selection. - Asynchronous USB socket compatible with 32 bits / 384 kHz. - Optical, coaxial, AES / EBU and USB digital inputs. - Fully mechanical and anti-resonant construction. - Compatible with the power supply Power Box RS Uni. - Dimensions: 206 x 72 x 200 mm (W x H x D). - Weight: 1.95 kg (without power supply).
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