TEAC UD-505-X: USB DAC / Headphone Amplifier

SPECIFICATIONS

Supported Formats

• USB Input
  • PCM: 16/24/32 bit (44.1k to 768kHz)
  • DSD: 2.8M/5.6M/11.2M/22.5M Hz
• Coaxial Digital Input
  • PCM: 16/24 bit (32k to 192kHz)
  • DSD: 2.8MHz (supported with 176.4kHz/24-bit DoP format)
• Optical Digital Input
  • PCM: 16/24 bit (32k to 192kHz)
  • DSD: 2.8MHz (supported with 176.4kHz/24-bit DoP format)

DAC Section

• USB DAC: ESS Technology ES9038 Q2M ×2
• Up-conversion: Up to 384kHz/32-bit PCM, 24.5MHz DSD

Audio Inputs

• USB
  • Port: USB B
  • USB Version: 2.0
  • Transfer Mode: Asynchronous mode transfer, bulk transfer
  • Compatible Software: TEAC HR Audio Player (Windows, Macintosh)
• COAXIAL Digital (Rear)
  • Connector: RCA pin × 1 (gold-plated)
  • Input Level: 0.5Vp-p
  • Input Impedance: 75Ω
• Optical Digital (Rear)
  • Connector: TOS-link × 1
  • Input Level: -24.0 to -14.5dBm peak
• Coaxial Digital (Front)
  • Connector: 1/8” (3.5mm) mini* × 1 (combined with optical digital input, detected automatically)
  • Input Level: 0.5Vp-p
  • Input Impedance: 75Ω
  • 1/8” Mini – RCA conversion cable included
• Optical Digital (Front)
  • Connector: 1/8” Mini Optical* × 1 (combined with coaxial digital input, detected automatically)
  • Input Level: -24.0 to -14.5dBm peak
• Analog (Rear)
  • Connector: RCA pin × 1 pair (gold-plated)
  • Input Impedance: 24kΩ
  • Input Sensitivity: 130mV

Bluetooth®

• Version: 4.0
• Output Class: Class 2 (Range: approx. 33ft/10m)
• Supported Profiles: A2DP, AVRCP
• Content Protection: SCMS-T
• Supported Codecs: LDAC™, Qualcomm® aptX™ HD, aptX™, AAC, SBC
• Number of Paired Devices: Maximum 8 devices

Audio Outputs

• XLR Balanced
  • Connector: XLR × 1 pair (gold-plated)
  • Output Level Settings: Fixed (0dB), fixed (+6dB), variable, output off (selectable)
  • Maximum Output Level
    • 2.0Vrms (1kHz, full scale, into 10kΩ, fixed at 0dB)
    • 4.0Vrms (1kHz, full scale, into 10kΩ, fixed at +6dB)
    • 12.0Vrms (1kHz, full scale, into 10kΩ, variable)
  • Output Impedance: 188Ω
• RCA Unbalanced
  • Connector: RCA pin × 1 pair (gold-plated)
  • Output Level Settings: Fixed (0dB), fixed (+6dB), variable, output off (selectable)
  • Maximum Output Level
    • 2.0Vrms (1kHz, full scale, into 10kΩ, fixed at 0dB)
    • 4.0Vrms (1kHz, full scale, into 10kΩ, fixed at +6dB)
    • 6.0Vrms (1kHz, full scale, into 10kΩ, variable)
  • Output Impedance: 150Ω

Headphone Outputs

• Connector 1: 1/4” (6.3mm) TRS stereo jacks × 2 (gold-plated)
  • Polarity (Balanced): Tip: HOT, Ring: COLD, Sleeve: NC (GND)
  • Polarity (Unbalanced): Tip: L, Ring: R, Sleeve: GND
• Connector 2: 4.4mm 5-pole Pentaconn × 1 (gold-plated)
  • Polarity (Balanced): Tip: L+, Ring1: L-, Ring2: R+, Ring3: R-, Sleeve: GND
• Maximum Output
  • Balanced: 700mW + 700mW (into 32Ω)
  • Unbalanced: 500mW + 500mW (into 32Ω × 1); 350mW + 350mW (into 32Ω × 2)
  • Active Ground: 500mW + 500mW (into 32Ω)
• Supported Impedances: 16 to 600Ω

Clock Section

• Internal Clock
  • Type: Crystal oscillator
  • Number of Clocks: 2 (44.1kHz and 48kHz)
• External Clock Input
  • Connector: BNC (gold-plated)
  • Input Frequency: 10MHz
  • Input Impedance: 50Ω
  • Input Level:
    • Rectangle Wave: Equivalent to TTL levels
    • Sine Wave: 0.5 to 1.0 Vrms

Audio Performance

• Frequency Response: 10 to 80,000 Hz (+1/–3 dB, 192kHz PCM input, RCA output, digital filter off)
• Total Harmonic Distortion: 0.002% or less (192kHz PCM input, RCA output, digital filter off)
• S/N Ratio: 110dB or higher (192kHz PCM input, RCA output, digital filter off)

General

• Power Supply
  • AC 120V, 60Hz
  • AC 220-240V, 50/60Hz
• Power Consumption: 18W (0.4W in standby)
• Dimensions (including protrusions): 290(W) × 84.5(H) × 248.7(D) mm / 11.4”(W) × 3.3”(H) × 9.8”(D)
• Weight: 4.1kg / 9.1lbs

Included Accessories

• Power cord
• RCA mini plug adapter cable
• Remote control (RC-1330)
• AAA batteries × 2
• Feet cushions × 3
• Owner’s Manual (with warranty)