UD 501_SNPI_WW_E_ DSD 2 TEAC 501 Product Information EN

User Manual: DSD-2

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Last Update: October 22nd, 2012

Supplemental to New Product Information (SNPI)

Pioneering the sound frontier
With state - of - the art technology
And matured circuit design “know-how”.
DSD 5.6MHz / PCM 384kHz capable Dual Monaural D/A Converter

 Main Features







Supports DSD 2.8/5.6MHz file native playback by ASIO 2.1 or DoP methods.
Supports up to 32bit/384kHz PCM audio playback
Dual monaural design from the power supply unit (Troidal-core), DAC to operational amplifier.
“High-standard” parts: BurrBrown PCM1795 and MUSES8920 for high-quality sound.
Energy efficient “green-technology” design: Max power consumption, 13W and an auto power-saving mode.
Full-metal jacket. Gorgeous aluminum panels for front, top and sides. Small footprint fits your desktop.

Brand

TEAC

Brand

TEAC

Series

Reference 501

Series

Reference 501

Model No.

UD-501-B (Black)

Model No.

UD-501-S (Silver)

Launching Date

October 17, 2012

Launching Date

October 17, 2012

Delivery Date

Early-November, 2012

Delivery Date

Early-November, 2012

UPC Code

043774028528

UPC Code

043774028535

EAN Code

4907034217892

EAN Code

4907034217908

Overall Dimensions / NW
WxHxD

290 x 81.2 x 244 / 4.0 (mm/kg)
11.4 x 3.2 x 9.6 / 8.8 (inch/lbs)

Overall Dimensions / NW
WxHxD

290 x 81.2 x 244 / 4.0 (mm/kg)
11.4 x 3.2 x 9.6 / 8.8 (inch/lb)

Package Dimensions / GW
WxHxD

440 x 190 x 340 / 5.4 (mm/kg)
17.3 x 7.5 x 13.4 / 12.0 (inch/lb)

Package Dimensions / GW
WxHxD

440 x 190 x 340 / 5.4 (mm/kg)
17.3 x 7.5 x 13.4 / 12.0 (inch/lb)

Quantity per Master Carton

Not Ready

Quantity per Master Carton

Not Ready

This document contains pre-release information which should not be released to the public before the “launch date”.
Specifications and contents are subject to change without notice. Please check the TEAC website or TCJ Sales Department for
the latest information, before you publish the information to the public.
1

Last Update: October 22nd, 2012

Supplemental to New Product Information (SNPI)

 Advanced Digital Circuits for the Finest Audio Formats
 DSD 2.8/5.6MHz Native File Playback by ASIO 2.1 or DoP
Both 2.8/5.6MHz DSD files are processed in native mode to properly convert DSD
into an analog signal, and skipping PCM conversion in between. ASIO2.1 and DoP
(DSD over PCM) playback are also supported.
(Mac supports DoP only, with standard driver)

 Up to 32bit/384kHz PCM File Playback
With PCM file format, up to 32bit/384kHz is supported.

 Asynchronous Transfer Mode
By ignoring clock signal from a PC, transfer timing is controlled by more accurately, nearly eliminating clock-noise and
allowing digital data to travel un-affected.

 Variety of Settings to Match Your Preference
Three types of digital filters are provided for PCM playback, while 4 types of cut-off
filters are provided for DSD playback. Also, shutting down unnecessary circuits –
USB circuit when S/PDIF inout is selected, or Line Out circuit when Headphone is
connected – for purer audio processing.

 Reducing Jitter Noise by 192kHz Up-Converting
With a PCM file sampling at a frequency less than 192kHz, users are able to convert up to 192kHz in order to 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 to Eliminate Signal Interference and Maximize Performance.
Every single part, the digital, analog sections, the DAC and the operational amplifiers are designed in dual monaural design
to eliminate interfering noise to other channels. This maximizes their potential, and achieves a purer audio processing
signal.

This document contains pre-release information which should not be released to the public before the “launch date”.
Specifications and contents are subject to change without notice. Please check the TEAC website or TCJ Sales Department for
the latest information, before you publish the information to the public.
2

Last Update: October 22nd, 2012

Supplemental to New Product Information (SNPI)
 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 MUSES8920 Operational Amplifier on Each Channel.
Two MUSES8920 operational amplifiers are employed on each channel. The
MUSES8920 was developed for hi-fi components to delivers clear 3-dimensional
sound.

 Individual Toroidal-core Power 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, exclusivery.

 RCA Output with Parallel Buffer for Better Drivability
Two operational amplifiers are connected parallell with the lineout circuit section to
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 body, 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 and attached to a robust steel chassis. These heavy parts eliminate
vibrations, and allow all internal circuits to always perform under stable conditions.
An A4-size body allows the UD-501 to fit any small space. The Reference 501 series
defines a new standard to fit all modern interior, with great space-saving design and
a timeless presence.

 Large Number of Inputs/Outputs for Full-Scale Hi-Fi
System Integration
The UD-501 provides two optical and coaxial digital inputs, one pair of XLR and one
pair of RCA analog audio outputs. The RCA lineout jacks have an exclusive
clearance zone, so a high grade pin cable with a large shell is able to 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 also allows user to upgrade to a high-grade
AC cables.

This document contains pre-release information which should not be released to the public before the “launch date”.
Specifications and contents are subject to change without notice. Please check the TEAC website or TCJ Sales Department for
the latest information, before you publish the information to the public.
3

Last Update: October 22nd, 2012

Supplemental to New Product Information (SNPI)

 Features at-a-glance































Supports DSD 2.8/5.6MHz playback (via USB)
Supports PCM 32bit/384kHz playback (via USB)
Supports PCM 24bit/192kHz playback (Coaxial)
Supports up to 24bit/96kHz playback (Optical)
Supports DSD native playback by ASIO2.1 and DoP method
Exclusive driver software for Windows
Standard driver software for Mac
Asynchronous transfer mode
4 analog filters (playback USB, DSD)
3 digital filters (playback USB, PCM)
Non-integral up-conversion to 192kHz, when input signal is less than 192kHz (On/Off selectable)
Throughout dual monaural design from power transformer to output section
Two toroidal-core power transformers
Two BurrBrown PCM1795
Four MUSES8920 operational amplifier
Parallel buffer for RCA output
Power supply to USB circuit is switchable
Lineout circuit can be disabled when headphone is used.
Low power consumption (MAX 13W)
Auto 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 body
Organic EL Display with Dimmer
1 USB audio input
2 Optical Inputs
2 Coaxial Inputs
1 Stereo RCA/XLR
3-polar AC socket with a detachable AC cable

■ AWARD
In Japan, the UD-501 have received some prizes of an audio equipment.
The VGP(Visual Grand Prix) is a prize of equipments of audio and visual that is most famous prize in the market of the
AV equipments. The UD-501 received the gold award of the VGP.
The AEx(Audio Excellence Award) is a prize of pure audio equipments. The UD-501 received the AEx award and the
AEx extra award.

This document contains pre-release information which should not be released to the public before the “launch date”.
Specifications and contents are subject to change without notice. Please check the TEAC website or TCJ Sales Department for
the latest information, before you publish the information to the public.
4

Last Update: October 22nd, 2012

Supplemental to New Product Information (SNPI)

 Key Specifications
Supported Audio Formats
USB Audio:

DSD,

2.8 / 5.6MHz

PCM,

16 / 24 / 32bit, 44.1 / 48 / 88.2 / 96 / 176.4 / 192 / 352.8 / 384 kHz

Coaxial:

S/PDIF,

16 / 24bit,

44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz

Optical:

S/PDIF,

16 / 24bit,

44.1 / 48 / 88.2 / 96 kHz

D/A Converter:

BurrBrown PCM1795 x 2

Up-conversion:

192kHz (supports PCM less than 192kHz)

Audio Inputs
USB Audio (USB):
Connector:

USB B-type

Version:

USB 2.0 (Asynchronous Transfer mode)

Coaxial (COAX 1 / 2)
Connector:

RCA Pin Jack

Input Level:

0.5Vp-p

Inout Impedance:

75 ohms

Optical (OPTICAL 1 / 2)
Connector:

TOS-link

Input Level:

-24.0 to -14.5 dBm peak

Audio Outputs
XLR Balanced
Connector:

XLR 3-32

Output Impedance:

88 ohms

Max Output Level:

4.0Vrms

RCA Unbalanced
Connector:

RCA Pin Jack

Output Impedance:

22 ohms

Max Output Level:

2.0Vrms

Headphone Out
Connector:

1/4” (6.35mm) Stereo Jack

Max Output Level:

100mW + 100mW (32ohms loaded)

Audio Performance
Frequency Response:

5 – 80kHz

S/N Ratio:

115dB

THD:

0.0015%

Supported OS
Windows:

Windows XP (32bit), Windows Vista, Windows 7

Macintosh:

Mac OS X10.6.4 or later, 10,7,x 10.8.x

This document contains pre-release information which should not be released to the public before the “launch date”.
Specifications and contents are subject to change without notice. Please check the TEAC website or TCJ Sales Department for
the latest information, before you publish the information to the public.
5

Last Update: October 22nd, 2012

Supplemental to New Product Information (SNPI)
Settings
Up-conversion:

On / Off

PCM Digital Filter:

Slow / Sharp / Off

DSD Analog Filter:

FIR1 (185kHz*) / FIR2 (90kHz*) / FIR3 (85kHz*) / FIR4 (94kHz*)
*Cut off frequency

Line Output Selector:

RCA / XLR2 (2=Hot) / XLR3 (3=Hot)

Line Output Mode:

On / Off (Line output will be disabled when headphone is used)

USB Input Circuit Off:

On / Auto (USB Input circuit will be enabled when USB is selected)

Setting Display:

On / Off (Up-conversion, Filter name will be turned off)

Display Dimmer:

DIM3 / DIM2 / DIM1 / DISP OFF

General
Operation Power:

120V AC, 60Hz (US/Canada)

Power Consumption:

Max 13W (Auto power save standby mode: 0.1W)

Operating Temerature:

+5˚C to +35˚C

230V AC 50Hz (UK/Europe)

+41˚F to +95˚F
Operating Humidity:

5% to 85% (no condensation)

Storage Temerature:

-20˚C to +55˚C

Overall Dimensions:

290 (W) x 81.2 (H) x 244 (D) mm, 11.4” (W) x 3.2” (H) x 9.6” (D)

-4˚F to +131˚C
Net Weight:

4.0kg, 8.8 lbs.

Accessories:

AC Cable, AC Plug Adapter (3P-2P), Stereo RCA Cable
Owner’s Manual, Warranty Card

This document contains pre-release information which should not be released to the public before the “launch date”.
Specifications and contents are subject to change without notice. Please check the TEAC website or TCJ Sales Department for
the latest information, before you publish the information to the public.
6



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