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    • UD-505 DAC / Headphone Amplifier /Preamplifier
      • UD-505 DAC / Headphone Amplifier /Preamplifier
      • UD-505 DAC / Headphone Amplifier /Preamplifier

      TEAC

      TEAC UD-505 DAC / Headphone Amplifier /Preamplifier

        In stock (1) - 3 - 6 days Available in store: Check availability

        In Store Only ! To order, please call us at (702) 910-4913. The UD-505 is a dual monaural USB DAC / headphone amplifier supporting DSD 512 & PCM 32 / 768. The UD-505 has been discontinued & replaced by The UD-503. Free Shipping to Continental US only !

        Product description

        The UD-505 is a dual monaural USB DAC with an integrated fully-balanced headphone amplifier, that fuses high-end audio design concepts and TEAC’s decades of audio design experience, in an A4-sized footprint.

        Like its predecessor models, the UD-501 and UD-503, it employs a dual monaural circuit design to process audio signals with even greater purity, with the latest VERITA AK 4497 DAC chip used on each of the two channels. This improves the S/N ( signal to noise ) ratio by processing each channel individually in monaural mode, as well as delivering DSD 512 ( 22.5M Hz ) native and 768k Hz / 32-bit PCM playback capabilities.

        The analogue section, which is one of the keys to sound quality, includes four TEAC-HCLD buffer amp circuits process different drive modes, – fully-balanced drive for balanced output, and parallel drive mode for unbalance output, – to achieve enhanced acoustic expressive.

        The headphone section is remarkable. A totally new 4.4 mm headphone jack, called Pentaconn, is employed, allowing balanced and active ground connections within a single jack, while conventional 1/4” phone jacks are also provided. In addition to a wide range of digital and analogue inputs, a Bluetooth® receiver supporting LDAC™ and Qualcomm® aptX HD™ allows you to enjoy high-quality wireless audio streaming from your smartphone on this flagship USB DAC.

        The UD-505 is a compact and high-spec USB DAC and headphone amplifier that supports today’s high sampling rate Hi-Res formats.

        TEAC UD-505 DAC User's Manual

        Specifications

        Supported Formats

        USB input

        PCM 16 / 24 / 32-bit, 44.1 / 48 / 88.2 / 96 / 176.4 / 192 / 352.8 / 384 / 705.6 / 768k Hz

        DSD 2.8 / 5.6 / 11.2 / 22.5M Hz

        Coaxial Digital Input

        PCM 16 / 24-bit, 32 / 44.1 / 48 /88.2 /96 / 176.4 / 192k Hz

        DSD 2.8M Hz ( supported with 176.4k Hz / 24-bit DoP format )

        Optical Digital Input

        PCM 16 / 24-bit, 32 / 44.1 / 48 / 88.2 / 96 / 176.4 / 192k Hz

        DSD 2.8M Hz ( supported with 176.4k Hz / 24-bit DoP format )

        DAC Section

        USB DAC Asahi Kasei Microdevices AK 4497 × 2

        Up-conversion up to 384k Hz / 32-bit PCM, 22.5M Hz DSD

        Digital Filters

        PCM filters Sharp Roll Off, Slow Roll Off, Short Delay Sharp, Short Delay Slow, Low Dispersion, off

        DSD cutoff frequencies narrow: 39k Hz ( at 2.8M ), 78k Hz ( at 5.6M ), 156k Hz ( at 11.2M ) or 312k Hz ( at 22.5M )

        Wide: 76k Hz ( at 2.8M ), 152k Hz ( at 5.6M ), 304k Hz ( at 11.2M ) or 608k Hz ( at 22.5M )

        Audio Inputs

        USB USB B port, USB 2.0, asynchronous mode transfer, bulk transfer

        Compatible Software TEAC HR Audio Player ( Windows, McIntosh )

        COAXIAL digital ( rear ) RCA pin × 1 ( gold-plated )

        Input level 0.5 Vp-p

        Input impedance 75 Ω

        Optical digital ( rear ) TOS-link × 1

        Input level −24.0 dBm to −14.5 dBm peak

        Coaxial digital ( front ) 1/8” ( 3.5 mm ) mini* × 1 ( combined with optical digital input, detected automatically )

        Input level 0.5 Vp-p

        Input impedance 75 Ω

        * 1/8” Mini - RCA conversion cable included.

        Optical digital ( front ) 1/8” Mini Optical* × 1 combined with coaxial digital input, detected automatically 

        Input level −24.0 dBm to −14.5 dBm peak

        Analogue ( rear ) RCA pin × 1 pair ( gold-plated )

        Input impedance 24k Ω

        Input sensitivity 130 mV

        BluetoothR

        BluetoothR version 4.0

        Output class Class 2 ( Range: approx. 33ft / 10m )

        Supported profiles A2DP, AVRCP

        Content protection SCMS-T

        Supported codec LDAC™, QualcommR aptX™ HD, aptX™, AAC, SBC

        Audio Outputs

        XLR balanced XLR × 1 pair ( gold-plated )

        Output level Fixed ( 0 dB ), fixed ( +6 dB ), variable, output off ( selectable )

        Maximum output level 2.0 Vrms ( 1k Hz, full scale, into 10k Ω, when set to fixed ( 0 dB )

        4.0 Vrms ( 1k Hz, full scale, into 10k Ω, when set to fixed ( +6 dB )

        12.0 Vrms ( 1k Hz, full scale, into 10k Ω, when set to variable )

        Output impedance 188 Ω

        RCA unbalanced RCA pin × 1 pair ( gold-plated )

        Output level Fixed ( 0 dB ), fixed ( +6 dB ), variable, output off ( selectable )

        Maximum output level 2.0 Vrms ( 1k Hz, full scale, into 10k Ω, when set to fixed ( 0 dB )

        4.0 Vrms ( 1k Hz, full scale, into 10k Ω, when set to fixed ( +6 dB )

        6.0 Vrms ( 1k Hz, full scale, into 10k Ω, when set to variable )

        Output impedance 150 Ω

        Headphone Outputs

        Connector 1 1/4” ( 6.3 mm ) TRS stereo jacks × 2 ( gold-plated )

        Polarity ( balanced ) Tip: HOT, Ring: COLD, Sleeve: cC ( GcD )

        Polarity ( unbalanced ) Tip: L, Ring: R, Sleeve: GcD

        Connector 2 4.4mm 5-pole Pentaconn × 1 ( gold-plated )

        Polarity ( balanced ) Tip: L+, Ring 1: L–, Ring 2: R+, Ring 3: R–, Sleeve: GcD

        Maximum Output

        Balanced 700 mW + 700 mW ( into 32 Ω )

        Unbalanced 500 mW + 500 mW ( into 32 Ω × 1 )

        350 mW + 350 mW ( into 32 Ω × 2 )

        Active ground 500 mW + 500 mW ( into 32 Ω )

        Supported impedances 16–600 Ω

        Clock Section

        Internal clock

        Type Crystal oscillator

        Number of clocks 2 ( 44.1k Hz and 48k Hz )

        External clock input

        Connectors: BcC ( gold-plated )

        Input frequency: 10M Hz

        Input impedance: 50 Ω

        Sine wave: 0.5 to 1.0 Vrms

        Audio Performance

        Frequency Response 10 Hz – 80,000 Hz ( +1/–3 dB, 192k Hz PCM input, RCA output )

        Total harmonic distortion: 0.002% or less ( 192k Hz PCM input, RCA output, digital filter off )

        S/N Ratio: 110 dB or higher ( 192k Hz PCM input, RCA output, digital filter off )

        Operating Systems

        Windows 10

        Windows 8.1 ( 32-bit, 64-bit )

        Windows 8 ( 32-bit, 64-bit )

        Windows 7 ( 32-bit, 64-bit )

        Macintosh High Sierra ( macOS 10.13 )

        Sierra ( macOS 10.12 )

        El Capitan ( OS X 10.11 )

        Yosemite ( OS X 10.10 )

        Mavericks ( OS X 10.9 )

        Mountain Lion ( OS X 10.8 )

        Lion ( OS X 10.7 )

        General

        Power Consumption: 18 watt ( 0.3 watt in standby )

        Overall Dimensions: 11.4” x 3.3” x 9.8”  ( W x H x D, including protrusions )

        Net Weight: 9.3 lbs

        Included Accessories

        Power cord, RCA mini plug adapter cable, remote control ( RC-1330 ),

        2 AAA batteries for remote control, 3 feet cushions, Owner's Manual & Warranty

        Shipping Weight & Dimensions: 12.2 lbs 17" x 13.5" x 7.5"

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