Primare CD32

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CD32 CD player
The CD32 is the successor to and upgrade for the successful and
acclaimed dual-mono balanced CD31 CD player. Every component, from the
CD transport to the audio output stage, has been designed to achieve the
highest possible audio performance. Audiophile Topology The CD32
Compact Disc Player is housed in an alloy heavy gauge steel chassis,
which
provides strength, rigidity, and screening, while being effective at
damping vibrations from external sources. From the CD transport we
extract the AES/EBU (balanced SPDIF) signal and feed it to a SRC4382
sample rate converter (converts to 96kHz), which incorporates jitter
suppression capabilities, ensuring that the DACs receive as a clean
digital signal as possible. The SRC4382 also provides the option to
select either up sampling to 96kHz or bypass (44.1kHz). The CD32 uses
two high-performance Burr-Brown PCM1704 DACs in conjunction with a
DF1706 digital filterone of the best true multi-Bit
digital-to-analogue converter/digital filter combinations available. The
current to voltage conversion stage is fully discrete (no Op-amps) and
ends in a single-ended output stage consisting of a single MOSFET
transistor driven by an active current source (preferred to passive
resistors). The CD32 contains no capacitors in the signal path: a
DC-servo takes care of any DC offset present in the circuit or from the
DACs. SMD technology and separate PCB modules are used throughout the
design in order to keep the signal paths isolated and as short as
possible.
Transport
The CD32 uses a dedicated CD-transport incorporating a Sanyo laser
and is not built around a multi-format CD/DVD-ROM interface. The Toshiba
based servo circuit incorporates a five second FIFO memory in order to
provide the best jitter suppression and protection from mechanical
shock. High Performance Power supply In order to meet the latest standby
power consumption standards, the CD32 incorporates a switch mode power
supply for its microprocessor circuit. However all the analogue and
digital audio circuits are supplied from a R-core transformer with
separate windings for mechanical, analogue and digital circuits. These
voltages are closely regulated by a discrete power regulation circuit
comprising L-C filters and discrete components. This high performance
circuit (low ripple etc. ) ensures that more than enough regulated power
is available to reproduce with accuracy even the deepest sonic transient
capable of being recorded on a compact disc. This power supply
configuration together with carefully designed ground planes and
paths, separated circuit boards and discrete current-to-voltage
conversion gives the CD32 the especially clean wideband audio
performance expected by audiophiles all over
the world.
Display and user features
The player incorporates a white modern OLED display, which is
isolated from the audio circuits by the front panel design. During play
the display auto-dims to a point where it is still readable without
disturbing the listening experience. The CD32 sample frequency can be
switched between 44.1 kHz, 48 kHz and 96 kHz. The CD32 will play MP3/WMA
over disc or USB in conjunction with comprehensive track programming
abilities.
Inputs/Outputs
Inputs: USB interface; IR input 3.5mm; RS232; Trigger in/out 3.5mm
Outputs: Balanced (XLR) and unbalanced RCA analogue outputs are
provided together with professional AES/EBU, SPDIF and TOS-link digital
outputs. RS232C, IR as well as
trigger connections are available for successful integration with home automation systems.

Denumiri similare la CD Player Primare CD32: CD 32
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