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

Specification

Overview

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