Teac UD-301-B Dual Monaural Digital-To-Analog Converter (Black)

Teac UD-301-B Dual Monaural Digital-To-Analog Converter (Black)

Teac UD-301-B Dual Monaural Digital-To-Analog Converter (Black)

B&H # TEUD301B MFR # UD-301-B
Teac UD-301-B Dual Monaural Digital-To-Analog Converter (Black)

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  • 1Description

The black UD-301-B Dual Monaural USB Audio Digital-to-Analog Converter from Teac features USB input, which allows DSD native playback. Thanks to support for asynchronous transmission over USB, this digital-to-converter eliminates jitter and transmits clean digital audio signal.

Each of the device's left and right channels has its own single monaural circuit. This prevents mutual interference between the left and right channels and enables pure stereo playback. In addition, each channel employs one MUSES8920 Operational Amplifier and one BurrBrown 1795 DAC for true dual monaural operation. The BurrBrown PCM1795 DAC is capable of 32-bit processing, which enables processing 5.6MHz DSD data in large quantities.

The UD-301-B Digital-to-Analog Converter doubles as a high-performance headphone amplifier. The 100mW + 100mW output headphone amplifier uses Coupling Capacitor-Less Circuit (CCLC) technology that provides a responsive headphone listening environment with great spatiality. Featuring XLR balanced output, this digital-to-analog converter offers a high degree of interoperability with devices ranging from those used by audiophiles all the way up to those used by professionals.

5.6 MHz DSD Native Playback

  • USB input allows DSD native playback that converts 5.6 MHz DSD data directly into analog signals without needing to first convert them to PCM
  • Supports both the ASIO2.1 and DoP (DSD over PCM) conversion methods
  • Using the AI-301DA Digital-To-Analog Converter in conjunction with the high-resolution playback PC application, TEAC HR audio player (downloadable for free from the TEAC website), the user can access high-resolution digital audio, including 5.6 MHz DSD or 32-bit / 192 kHz PCM files, without having to deal with complex settings

Asynchronous Mode-Capable USB Input

  • When receiving digital audio signals from a computer via a USB cable, the device can operate in asynchronous mode — the timing of the input signal is controlled by the device's internal clock
  • With asynchronous transmission over USB, signal-compromising jitter is effectively eliminated, allowing transmission of clean digital audio signal

Up to 192 kHz Up-Conversion Option

  • When handling digital signals up to 96 kHz, the user has the option to up-convert to double or quadruple the original signal sampling frequency
  • When playing back a 44.1 kHz sound source (equivalent to CD sound quality) a smoother analog audio signal can be obtained in order to convert to a higher resolution digital signal
  • Up-conversion can be enabled/disabled by the user

Dual Monaural Design

  • Each of the left and right channels has its own single monaural circuit
  • Prevents mutual interference between the left and right channels and enables pure stereo playback

MUSE Operational Amplifier

  • One MUSES8920 operational amplifier unit is used for each channel (left and right)
  • MUSES8920 operational amplifier unit is designed for hi-fi audio and made by New Japan Radio

BurrBrown PCM1795 DAC

  • Internal BurrBrown 1795 digital-to-analog converters for each channel (left and right) for true dual monaural operation
  • Digital-to-analog converters are capable of 32-bit processing, and are hence able to process 5.6MHz DSD data in large quantities
  • Accurate playback of high-resolution sound sources

Dual Monaural Headphone Amplifiers Used in the CCLC Circuits

  • 100mW + 100mW output (at 32 ohms load) headphone amplifier uses CCLC (Coupling Capacitor-Less Circuit) technology
  • Negative impact of capacitors on sound quality is eliminated, providing full low-frequency sound and a responsive headphone listening environment with great spatiality

Doubles as a High-Performance Headphone Amplifier

  • XLR and RCA outputs on the rear panel can be switched off
  • Headphone output can be enhanced by cutting the power supply and isolating circuits that are unrelated to headphone output
  • Volume control for the headphones on the rear panel is completely separate from the output mode (fixed, adjustable, or off)
  • Standard stereo jack for headphone output

Toroidal Core Power Transformer

  • High-efficiency toroidal core power transformer with low magnetic flux leakage for stable operation of the twin left and right D/A converters
  • Transformer provides a stable power supply even in situations where a sudden surge of power is required, such as when starting up at very high volume

Compact Aluminum Enclosure

  • 215mm wide rugged aluminum enclosure
  • Motor-driven knob has the tactile feel one would expect from controls found in high-end hi-fi components

XLR Balanced Output

  • XLR balanced output allows connection to both domestic hi-fi components and professional audio equipment
  • Offers a high degree of interoperability with devices ranging from those used by audiophiles all the way up to those used by professionals

Can be Connected to a Power Amp in Pre-Amp Mode

  • XLR balanced output and RCA unbalanced outputs on the rear panel can both be set to Fixed, Adjustable, or Off mode
  • Using the Adjustable mode, the unit can be connected to a power amplifier to create a system with a separate pre amp and power amp or, alternatively, can be directly connected to an active speaker

Power

  • Three-pin IEC AC power socket
  • Auto power save function
UPC: 043774030729
In the Box
Teac UD-301-B Dual Monaural Digital-To-Analog Converter (Black)
  • Power Cord
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    D/A Converter
    Model 2 x BurrBrown PCM1795
    Conversion Up: 192 kHz (on/off selection)
    Digital Audio Inputs
    Connectors 1 x RCA jack (0.5 Vpp, 75 ohms), 1 x optical digital (-24 to -14.5 dBm peak), 1 x USB type B (USB 2.0, supports asynchronous mode)
    Sampling Frequency DSD: 2.8 / 5.6 MHz (for USB)

    PCM: USB and Coaxial: 32 / 44.1 / 48 / 88.2 / 96 / 176.4 / 192 kHz
    Optical: 32 / 44.1 / 48 / 88.2 / 96 kHz
    Bit Rate 16 / 24 / 32-bit (32-bit only with USB input)
    Analog Audio Outputs
    Jacks 1 x XLR jack (2 channels), 1 x RCA jack (2 channels)
    Output Impedance XLR: 200 ohms
    RCA: 100 ohms
    Maximum Output Level 1 kHz, full scale, 10 kOhms, XLR (0 dB Gain): +14 dB
    RCA: 20 Vrms
    Frequency Response 5 Hz to 55 KHz (-3dB) at 192 kHz sampling frequency
    SNR 105 dB
    THD 0.0015% (1 kHz) at 192 kHz sampling frequency
    Headphone Output
    Connector 6.3 mm (1/4") stereo phone jack
    Maximum Output 100 mW + 100 mW (32 ohms with load with 0.1% distortion)
    Nominal Impedance 8 to 600 ohms
    Audio Performance
    Frequency Response 5 Hz to 55 kHz (-3dB, in the case of 192 kHz sampling frequency)
    SNR 105 dB
    Distortion 0.0015% (1 kHz, in the case of 192 kHz sampling frequency)
    Power
    Power Supply USA/Canada: 120 VAC, 60 Hz
    Power Consumption 10 W
    General
    Computer Requirements Compatible OS:
    Windows Vista / 7 / 8 / 8.1 (32/64-bit), XP (32-bit)
    Mac OS X Snow Leopard (10.6), OS X Lion (10.7), OS X Mountain Lion (10.8), OS X Mavericks (10.9)
    Temperature Operating: 41 to 95°F (5 to 35°C)
    Storage: -4 to 131°F (-20 to 55°C)
    Operating Humidity 5 to 85% (non-condensing)
    Dimensions (W x H x D) Approximately 8.5 x 2.4 x 9.4" (21.5 x 6.1 x 23.8 cm) including protrusions
    Weight Approximately 4.4 lb (2.0 kg)
    Packaging Info
    Package Weight 6.5 lb
    Box Dimensions (LxWxH) 15.0 x 13.4 x 6.3"

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