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SXCD Compact Disc Player

Computer Optical Drive

Using a computer optical drive to access audio data via the IDE interface provides an architecture which keeps jitter to an absolute minimum. Extracting the digital data from the disc in a parallel fashion, rather than serially (the industry norm), means the transport operates independently of the master clock, therefore completely eliminating jitter and data timing errors between the optical mechanism and audio converter.

Increased Read Speed

The increased 4x-8x read speed of the optical drive, compared with 1x-2x speeds of standard mechanisms, gives the drive more opportunity for error correction – ensuring the audio data stream is a true reflection of what is presented on the compact disc.

Precision Master Clock

The master clock, and its implementation, is the single most important aspect of any CD player. A precision clock oscillator with high temperature stability, fast 8ns rise and fall times and jitter less than 5ps provides the foundation for best possible jitter performance. Optimal physical location close to the SPDIF transmitter and DAC ensure jitter levels are kept to a minimum.

Digital Output Transformer

Utilising what is arguably the best digital audio transformer on the market today, the digital output transformer from Scientific Conversion ensures the SPDIF signal maintains very low levels of jitter. High Common Mode Rejection Ratio (CMMR) and decreased capacitance guarantee greatly reduced interference susceptibility, noise and pulse aberration.

BNC Digital Output Connector

RCA connectors are inherently disadvantaged for use with the high frequency (1.4MHz-2.8MHz) signals associated with 44.1kHz/16-bit digital audio. Design limitations mean RCA connectors can never achieve a characteristic impedance of 75Ω, resulting in reflections and signal loss due to impedance mismatch. In contrast, BNC connectors are purposely designed to carry high frequency signals, up to 2GHz for 75Ω – therefore overcome the problems exhibited by RCA connectors.

Digital Noise Filtering

Conducted and radiated digital noise can wreak havoc on power supplies and sensitive circuits. Filtering is heavily employed throughout to stop conducted digital noise infecting power supplies and sensitive circuits, and greatly reduce radiated noise.

Simple User Interface

The five buttons on the front panel provide a simple and intuitive user interface – allowing easy access to all the standard functions of a CD player.

Custom Designed Toroidal Transformer

The 36VA toroidal transformer is custom designed by Toroid International (Noratel) exclusively for Perreaux. The fully screened transformer, along with the low mechanical hum and low exterior magnetic field inherent in toroidal transformers, provides a solid foundation for the low-noise power supplies.

Compact Two-Box Solution

The SXCD consists of two small and compact modules, the transport and the converter. The two-box solution provides the flexibility and versatility to meet a range of placement and style options. Striking at the heart of Silhouette Series philosophies - minimalist form and function harmoniously encompassing superlative performance.

Signal Ground

Special attention has been paid to sensitive analog and digital ground planes to maintain sonic purity. All signal grounding is optimised to provide a platform for a black background and increased dynamic range.

Ultra-Short Signal Paths

The circuitry for the analog and digital outputs have been laid out with the utmost care – components are arranged as compact as physically possible to keep track lengths to a minimum, ensuring signal paths are as short and direct as possible.

No Display

Liquid Crystal Displays (LCD) with Cold Cathode Fluorescent Lamp (CCFL) backlighting, and Vacuum Fluorescent Displays (VFD) both require an inverter for operation. Inverters typically run at frequencies greater than 100kHz and are a source of conducted and radiated radio frequency (RF) interference. By excluding the display, this source of RF interference has been eliminated and cannot infect the precious power supplies or sensitive digital and analog circuitry.

Multiple Media Support

By default, the computer optical drive supports a multitude of media types and formats – allowing the SXCD to function consistently and reliably with CD-DA, CD-R and CD-RW media, including Mixed Mode audio and data content.

pLINK Port

The pLINK port provides communication to an external device via the RS232 protocol, allowing easy integration into automation and control solutions. The pLINK port also supports the capability to receive a master clock from an external source, such as an external DAC.

RC-5 Remote Input

Standard CD player RC-5 remote control codes can be used to control the basic functions of the SXCD. Directly connecting to a device via a 3.5mm stereo plug cable allows easy integration into automation and control solutions. Alternately, by using an infrared (IR) receiver, commands can be received from any off-the-shelf universal or programmable remote controls which use the standard CD player RC-5 remote codes.

Multiple Regulated Power Supplies

Stable, clean power is paramount in any CD player for good performance. Two transformer secondary windings, and three regulated power supplies, ensure power to the optical drive is isolated from the sensitive analog and digital supplies. The DAC is further isolated from the digital supply with its own local voltage regulator.

I/O Compliment

1 pair Unbalanced Analog Outputs (RCA)
1 Coaxial SPDIF Digital Output (BNC)

 

User Controls

5-Button User Interface
RC-5 Remote Input Jack
RS232 Communication via pLINK
Rear Mounted Power Switch

 

 

Perreaux
High end hi fi amplifiers, preamplifiers, CD players, and other hi fi audio components made in New Zealand with pride since 1974.

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PO Box 305, Mosgiel, Dunedin 9053
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Email: nz.info@perreaux.com

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