B-Audio B.dpr – DAC / PREAMPLIFIER (Reference series)
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Enhanced version of the B.dac, the B.dpr integrates an additional 100% analog pre-amplification stage built with components of the highest quality.
Digital losses are by construction non-existent, and the conversion circuits are used at their optimal operating point.
The analogue preamp section of the B.dpr offers both balanced and coaxial inputs.

Full elimination of source jitter
The B.dpr features our patented SJR “Source Jitter Removal” technology which provides the best possible D/A conversion, from every source, by fully eliminating all imput jitter without the need of external clock link. The pre-amplification stage is done by a relay-driven resitor network that avoids any interference on the signal.
Design
Reflecting its exclusivity the B.dpr relies on a modern and sleek design featuring a machined aluminium front panel with integrated ball-bearing mounted rotary knobs.
Analog inputs
The B.dpr features two unbalanced inputs (RCA) and one balanced input (XLR). Thanks to the analog volume control stage, the signals coming from these inputs are processed completely in the analog domain.
High quality phono option
The B.dpr can be fitted with a high end phono stage which supports both moving-magnet (MM) and moving-coil (MC) cartridges.
Each internal step has been carefully engineered to deliver the highest performance, such as the low-noise input stage featuring matched-transistors and the passive RIAA correction made of 2 distinctive stages.
It offers multiple settings to match any cartridge model.
Remote control
Each B.dpr comes with a custom-made remote control made of massive aluminium.
₹3,175,200.00
Description
| GENERAL | |
| Power supply | Factory set : 220-230V or 100-115V, 50-60Hz |
| Dimensions | 450x375x91mm |
| Weight | 7,4kg |
| TECHNICAL | |
| Power stage total capacity | > 80 000µF |
| Power stage regulation | custom designed |
| Conversion type | multibit sigma-delta |
| Clock management | patented SJR technology |
| DIGITAL IN | |
| Connectors | 2x SPDIF, 2x Toslink, 1x AES/EBU, 1x USB (type B) |
| USB (type B) | |
| operating mode | asynchronous |
| Supported format | PCM (incl. DXD), DSD, DSD over PCM (DoP) |
| Sample rate (PCM) | 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 352.8kHz (DXD), 384kHz |
| Word length (PCM) | 16, 24, 32 bits |
| Data rate (DSD) | 2.8224MHz (DSD64), 5.7648MHz (DSD128), 11.2896MHz (DSD256) |
| Data rate (DSD over PCM) | 2.8224MHz (DSD64), 5.7648MHz (DSD128) |
| SPDIF and AES/EBU | |
| Supported format | PCM |
| Sample rate (PCM) | 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz |
| Word length (PCM) | 16, 24 bits |
| Toslink | |
| Supported format | PCM |
| Sample rate (PCM) | 44.1kHz, 48kHz, 88.2kHz, 96kHz |
| Word length (PCM) | 16, 24 bits |
| ANALOG IN | |
| Balanced | |
| Connectors | 1x XLR |
| Input impedance | 47 kOhms |
| Unbalanced | |
| Connectors | 2x RCA (pair) |
| Output impedance | 47 kOhms |
| ANALOG OUT | |
| Balanced | |
| Connectors | XLR |
| Output impedance | 100 Ohms |
| Unbalanced | |
| Connectors | RCA |
| Output impedance | 75 Ohms |
| VARIABLE OUTPUT LEVEL | |
| Balanced | -80 to +0 dB, 64 steps |
| Unbalanced | -80 to +0 dB, 64 steps |

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