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Teac's CD Player with 5.6MHz DSD Playback in silver is a high-quality disc player with 5.6MHz DSD file native playback and up to 24 bit/192kHz PCM on recordable DVD discs. It features unique VACS (Vibration Acoustic Control Structure) to control vibrations, and separate power supplies for analog and digital sections.
The PD-501HR plays back DSD files recorded to DVD discs, eliminating the need for any PC. Conventional DVD writing software is capable of burning DSD discs, by writing dsf files to recordable DVD discs (DVD-R/-RW/+R/+RW). (SACD disc is not supported on the PD-501HR.)
Conventional DSD processors convert PCM files prior to converting to an analog signal. The PD-501HR employs a "Pure Mode", processing DSD into an analog signal directly. This lets you enjoy pure DSD sound that normal PCM-conversion can't.
The PD-501HR also supports PCM file (wav format) and up to 24bit/192kHz of high-resolution audio without the need for a PC connection.
While reading signals from a rating disc, vibrations may cause a read error and negatively affect the sound quality by missing some of the original data on the disc. To eliminate vibrations and reach perfect data reading, the PD-501HR employs a unique vibration control mechanism, VACS, for a smooth rotation. After dozens of evaluation tests the VACS instrument was chosen and fixed to the drive of the unit in order to achieve the best possible performance.
A celebrated CS4398 by Cirrus Logic is utilized to achieve 120dB of dynamic range. The CS4398 also employs un-damped volume control and a Mismatch Shaping Technology to eliminate distortion caused by capacitor mismatching. The field-proven and well-reputed JRC's NJM5532 operational amplifier has been applied to the analog circuits.
In order to reduce the signal paths throughout the circuits, each part has been carefully laid out on 6-layer glass-epoxy motherboards. This design reduces and simplifies the signal paths and helps improve the sound quality.
Separate power supply units for the digital and analog sections help prevent digital noise that can leak across the sections over the current. Schottky Barrier Diodes are also employed on the rectifier circuit to supply cleaner current by eliminating rectification noise.
The PD-501HR is a high performing CD player with 20-80kHz of frequency response, 116dB of S/N ratio, 118dB dynamic range, and 0.004% of THD on PCM playback. In keeping with the rest of the Reference 501 series, the PD-501HR also maintains low power consumption without sacrificing sound quality. It has a maximum 11W of power consumption and a selectable power saving mode and 0.1W of power consumption during standby.
Not only the front panel, but both side and top panels are made of aluminum and attached to a steel chassis. These heavy parts eliminate vibrations and allow all internal circuits to always perform under stable conditions. An A4-sized body allows users to place the unit in small spaces.
Spun metal finished transport buttons with short stroke and an easy-to-recognize toggle switch gives the user assured operation. Even the remote control is designed with an aluminum fascia on top.
Supports 2.8/5.6MHz DSD disc playback (dsf format on recordable DVD discs)
Supports 24bit/192kHz PCM disc playback (wav format on recordable CD/DVD discs)
Supports CD-DA disc
Center-mount mechanism design with slot-in drive
VACS vibration control stabilize mechanism
Cirrus Logic CS4398 D/A Converter
BlackFin processor for signal processing
JRC NJM5532 for operational amplifier
Separated power supply for digital and analog sections
Schottky Barrier Diodes for stable current supply
Pure mode for DSD/PCM processing
6-layer glass epoxy circuit boards for simplified signal paths
Max 11 watts of low power consumption
Auto power saving mode (user selectable)
Repeat play (1/All/Folder), Shuffle play, Max 99 tracks program play
CD-DA: Frequency Range 20Hz - 20kHz S/N ratio 116dB Distortion 0.0013% Dynamic Range 103dB
PCM (192kHz/24-bit): Frequency Range 20Hz-80kHz S/N Ratio 116dB Distortion 0.0004% Dynamic Range 118dB
DSD: Frequency Range 20Hz-80kHz S/N Ratio 116dB Distortion 0.0005% Dynamic Range 112dB
RCA: Connector RCA Pin Jack Output Impedance 100 ohms Nominal Output Voltage Level 0.32Vrms
The sampling frequency and bit rate used by the digital outputs (COAXIAL and OPTICAL) are the same as for the playback source. During DSD playback or CD/PCM playback in pure mode, however, nothing is output from the digital outputs.