Hifiverse
Audio

Pro-Ject DAC Box RS Final Edition – DAC on ECC88 tubes

15.02.2025 17:03

Pro-Ject has released the Pro-Ject DAC Box RS Final Edition digital-to-analog converter – the new product features a pair of audiophile Diamond ECC88 tubes. All circuit elements of the Pro-Ject Audio DAC Box RS Final Edition have undergone a special selection, and the internal wiring has also been upgraded. The DAC output stage is implemented in a balanced circuit, while the tube circuit can be either connected or disconnected using a button on the front panel.

Pro-Ject DAC Box RS Final Edition
Pro-Ject DAC Box RS Final Edition. Image source - (c) Pro-Ject

The Pro-Ject Audio DAC Box RS Final Edition DAC offers a rich commutation set, which includes an I2S input with Master Clock, a balanced AES/EBU input, an optical Toslink, a coaxial input, and a USB-B port. The DAC is capable of decoding audio in DSD formats up to DSD128 and PCM up to 24 bit/192 kHz. The new product is based on a pair of Texas Instruments PCM 1792 chips and offers a choice of digital filters.

Pro-Ject DAC Box RS Final Edition
Pro-Ject DAC Box RS Final Edition. Image source - (c) Pro-Ject

If desired, the included DAC power supply can be replaced with an optional Pro-Ject Power Box RS2 linear source based on a large toroidal transformer. The Pro-Ject Audio DAC Box RS Final Edition is already available in Europe at a recommended retail price of €1,199. The optional Pro-Ject PowerBox RS2 power supply is available at a price of €999.

Specifications

This product is in the Hi-Fi and High End Electronics and Acoustics database

DACs — Pro-Ject DAC Box RS Final Edition

  • Model name

    DAC Box RS Final Edition

  • Conversion type

    8 x Oversampling design

  • Engine

    2 x Texas Instruments PCM 1792

  • DSD compatability

    Yes

  • Parameters

    up to PCM 24/192 and DSD128

  • Frequency response low +/- 3dB (Hz)

    20

  • Frequency response high +/- 3dB (Hz)

    50000

  • Gain (dBu)

    N/A

  • Output Level (balanced) (V)

    N/A

  • Output Level (single-ended) (V)

    N/A

  • Input Impedance (balanced) (Ω)

    N/A

  • Input Impedance (single-ended) (Ω)

    N/A

  • Output Impedance (balanced) (Ω)

    N/A

  • Output Impedance (single-ended) (Ω)

    N/A

  • Analog outputs

    N/A

  • Signal to Noise Ratio (dB)

    100

  • Total Harmonic Distortion + Noise (% at 22 kHz)

    0.005 - 0.25

  • Dimensions (mm)

    206 x 72 x 210

  • Weight (kg)

    1.89

  • Official link

More content

  • Hegel D50 – Reference DAC With Three Dedicated Master Clocks

    Hegel D50 – Reference DAC With Three Dedicated Master Clocks

    Hegel has introduced its latest digital-to-analog converter Hegel D50. The model features extremely low distortion of 0.0002% and typically noise floor of record -150 dB, and uses three dedicated master clocks (one for SPDIF signals, and for USB, separate master clocks for 48k and 44.1k sample rates).

  • Meze Audio POET - High SPL Planar-Magnetic Headphones

    Meze Audio POET - High SPL Planar-Magnetic Headphones

    The Meze Audio company has introduced new Meze Audio POET headphones - the model has a compact design and weighs 350 g. Meze Audio POET planar-magnetic headphones featuring the top-of-the-line diaphragm technology found in the company's ELITE model and offering very high sound quality.

  • Orchard Audio Valencia Headphone Amplifier Can Also Work With Speakers

    Orchard Audio Valencia Headphone Amplifier Can Also Work With Speakers

    American company Orchard Audio has introduced a new headphone amplifier Valencia. The new product is made in a balanced circuit design and operates in class A/B. The Valencia project is also the first result of Leo Ayzenshtat’s collaboration with experienced headphone reviewer Steven Ciofalo.

  • Thorens Super Bundle – Plug-n-Play Version of the TD1600 Vinyl Turntable

    Thorens Super Bundle – Plug-n-Play Version of the TD1600 Vinyl Turntable

    German company Thorens has offered a plug-n-play version of its famous TD1600 turntable - equipped with everything you need for immediate use. The Thorens Super Bundle is based on the Thorens TD1600 turntable, which implements the concept of the early Thorens 160 series models with a sub-chassis with three conical springs. The platter is driven by a belt, and the drive is equipped with an electronic motor control system.

  • Burson Audio Timekeeper Voyager – High-Performance Monoblocks

    Burson Audio Timekeeper Voyager – High-Performance Monoblocks

    Burson Audio has introduced the Timekeeper Voyager mono power amplifiers, operating in Class AB and delivering up to 200 watts per channel into a 4 Ohm load. The Timekeeper series of amplifiers has been in development at Burson Audio for over fifteen years. The latest Voyager model is designed to operate at high idle current, allowing the transistors to operate in their most linear range, thereby minimizing distortion. Despite consuming over 100 Watts in standby mode, the Voyager achieves Class AB performance in a compact design, rivaling much larger amplifiers.

hifiverse