Teac ud

màu sắc Variations

UD-501-B (Black)
UD-501-S (Silver)

TEAC"s newUD-501 is the star of the 501 series. The UD-501 supports DSD 2.8/5.6MHZ tệp tin native playbaông xã by ASIO 2.1 or DoPhường. methods or up khổng lồ 32bit/384kHz PCM. TEAC also packed this incredible unit with two 32-bit BurrBrown DACs per channel and JRC MUSES op amps, dual monaural thiết kế, fully balanced XLR as well as unbalanced RCA outputs và a toroidal-core power supply. The UD-501 outperforms products up khổng lồ 5 times more costly.

Advanced Digital Circuits for the Finest Audio Formats

DSD 2.8/5.6MHz Native sầu File Playbaông xã by ASIO 2.1 or DoP
Both 2.8/5.6MHz DSD files are processed in native sầu mode to lớn properly convert DSD inlớn an analog signal, and skipping PCM conversion in between. ASIO2.1 và DoPhường. (DSD over PCM) playbaông xã are also supported. (Mac supports DoP.. only, with standard driver)
Up to lớn 32bit/384kHz PCM File PlaybackWith PCM file format, up to lớn 32bit/384kHz is supported.

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Asynchronous Transfer ModeBy ignoring cloông xã signal from a PC, transfer timing is controlled by more accurately, nearly eliminating clock-noise and allowing digital data khổng lồ travel un-affected. Variety of Settings khổng lồ Match Your Preference
Three types of digital filters are provided for PCM playback, while 4 types of cut-off filters are provided for DSD playbachồng. Also, shutting down unnecessary circuits – USB circuit when S/PDIF input is selected, or Line Out circuit when Headphones are connected – for purer audio processing.
Reducing Jitter Noise by 192kHz Up-ConvertingWith a PCM file sampling at a frequency less than 192kHz, users are able to lớn convert up lớn 192kHz in order khổng lồ reduce jitter noise, or keep the original sampling rate to enjoy the original sound.

Pure Audio Circuits, Designed with a Classic Audio Theory

Dual Monaural Circuits lớn Eliminate Signal Interference and Maximize Performance.
Every single part, the digital, analog sections, the DAC & the operational amplifiers are designed in dual monaural kiến thiết to eliminate interfering noise lớn other channels. This maximizes their potential, and achieves a purer audio processing signal.

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32bit Compatible BurrBrown PCM1795 on Each Channel Celebrated BurrBrown PCM1795 is employed on each channel. With the PCM1795 alone, it supports 32bit processingis supported with 123dB S/N Ratio. Dual MUSES89trăng tròn Operational Amplifier on Each Channel
Two MUSES89đôi mươi operational amplifiers are employed on each channel. The MUSES89đôi mươi was developed for hi-fi components to lớn delivers clear 3-dimensional sound.
Individual Toroidal-core Power nguồn Transformer on Each Channel – Maintaining Total Dual Monaural Design
The two toroidal-core power transformers are highly energy effcient and offer a stable current supply. Employing them on both the left and right channel ensures that current is delivered to each channel, exclusively.
RCA Output with Parallel Buffer for Better Drivability Two operational amplifiers are parallely connected with the lineout circuit section lớn improve drivability of lineout signal. This helps achieve more of a linear analog output signal, than any other known method.

High-Standard Hardware Designs for Any Listening Environment

A full-metal toàn thân, small footprint that can be placed on a desktop
Not only the front panel, but both the side and top panels are constructed of aluminum và attached to lớn a robust steel chassis. These heavy parts eliminate vibrations, and allow all internal circuits khổng lồ always perform under stable conditions. An A4-size toàn thân allows the UD-501 lớn fit any small space. The Reference 501 series defines a new standard khổng lồ fit all modern interior, with great space-saving thiết kế và a timeless presence.

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Large Number of Inputs/Outputs for Full-Scale Hi-Fi System Integration
The UD-501 provides two optical & coaxial digital inputs, one pair of XLR and one pair of RCA analog audio outputs. The RCA lineout jacks have sầu an exclusive clearance zone, so a high grade pin cable with a large shell is able lớn be connected. The output terminal is selectable:-RCA or XLR; the XLR connectors have switchable polarity, 2=HOT or 3=HOT. A detachable AC cable with 3-polar socket allows user to lớn nâng cấp to lớn a high-grade AC cables.


You can use the UD-501 with any application that plays audio on your Mac or Windows computer, such as Windows Media Player or Apple iTunes. To play high-resolution audio, however, you will need specialised software. You will also need to lớn install the driver on Windows, available here. (Mac OS X sees the device without a driver.)

TEAC provides a high resolution audio player for Windows which plays high sample rate files and DSD files, download it here. Other applications for playing DSD files on Mac & Windows computers are:


Pure Music

Once you have the software lớn play files, here are some sites that sell DSD and high-sample rate music:

Channel Classics

HD Tracks

Downloads Now

Blue Coast Records

Cybele Records

Features at-a-glance

Supports DSD 2.8/5.6MHz playbachồng (via USB)Supports PCM 32bit/384kHz playbaông chồng (via USB)Supports PCM 24bit/192kHz playback (Coaxial)Supports up to lớn 24bit/96kHz playbachồng (Optical)Supports DSD native sầu playbachồng by ASIO2.1 & DoPhường methodExclusive driver software for WindowsStandard driver software for MacAsynchronous transfer mode4 analog filters (playbachồng USB, DSD)3 digital filters (playbaông xã USB, PCM)Non-integral up-conversion to lớn 192kHz, when input đầu vào signal is less than 192kHz (On/Off selectable)Throughout dual monaural design from power transformer khổng lồ output sectionTwo toroidal-core power transformersTwo BurrBrown PCM1795Four MUSES8920 operational amplifierParallel buffer for RCA outputnguồn supply lớn USB circuit is switchableLineout circuit can be disabled when headphone is used.Low power consumption (MAX 13W) Auto lớn power saving mode (On/Off switchable)Display mode switchable (Show Up-conversion mode and selected filter)Line out switchable (XLR or RCA)Polarity change on XLR (2=HOT or 3=Hot)Full metal bodyOrganic EL Display with Dimmer1 USB audio input2 Optical Inputs2 Coaxial Inputs1 Stereo RCA/XLR3-polar AC socket with a detachable AC cable

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