Teac UD-507 USB DAC / Preamplifier / Headphone Amplifier

Introducing the Teac UD-507, a completely redesigned 500 Series DAC/Preamp/Headphone amplifier inspired by our high-end 700 Series. This compact A4-sized powerhouse is engineered to deliver exceptional sound quality, featuring our proprietary “TRDD 5” discrete DAC for a truly immersive musical experience.

Teac UD-507 Key Features:

• Highly Musical Discrete DAC: Designed and developed in-house, the TRDD 5 discrete DAC ensures a clear soundstage and accurate imaging.
• Fully Balanced Dual Monaural Headphone Amplifier: Equipped with the TEAC-HCLD2 high current line driver, providing up to 1,200mW + 1,200mW output.
• High-Quality Preamplifier: Features the TEAC-QVCS high precision analog volume attenuator and multiple analog/digital inputs.
• Full MQA Decoder: Supports digital inputs (excluding Bluetooth) for high-quality audio playback.
• Up-Sampling Function: RDOT-NEO technology upconverts sampling frequencies up to 384kHz.
• Bluetooth Receiver: Supports LDAC™, LHDC, Qualcomm® aptX™ HD, aptX™, AAC, and SBC codecs for high-quality wireless playback.

Teac UD-507 Specifications:

• Supported Formats:

  • USB Input:
    • PCM: 16/24/32 bit, 44.1kHz - 384kHz
    • DSD: 2.8M/5.6M/11.2M/22.5M Hz
  • Coaxial Digital Input:
    • PCM: 16/24 bit, 32kHz - 192kHz
    • DSD: 2.8MHz (supported with 176.4kHz/24-bit DoP format)
  • Optical Digital Input:
    • PCM: 16/24 bit, 32kHz - 192kHz
    • DSD: 2.8MHz (supported with 176.4kHz/24-bit DoP format)

• DAC Section:

  • USB DAC: In-house designed Discrete DAC TRDD5
  • Up-Conversion: Up to 384kHz/32-bit PCM

• Audio Inputs:

  • USB: USB Type-C port × 1, USB Type-B port × 1
  • USB Version: 2.0
  • Transfer Mode: Asynchronous mode transfer, Bulk Pet
  • Compatible Software: TEAC HR Audio Player (Windows, Macintosh)
  • Coaxial Digital (Rear): RCA pin ×1 (gold-plated), Input level: 0.5Vp-p, Input impedance: 75Ω
  • Optical Digital (Rear): TOS-link ×1, Input level: -24.0 to -14.5dBm peak
  • Analog (Balanced): XLR ×1 pair (gold-plated), Input impedance: 50kΩ, Input sensitivity: 5Vrms
  • Analog (Unbalanced): RCA pin ×1 pair (gold-plated), Input impedance: 24kΩ, Input sensitivity: 2.5Vrms

• Bluetooth:

  • Version: 4.2
  • Output Class: Class2 (Range: approx. 33ft/10m)
  • Supported Profiles: A2DP, AVRCP
  • Content Protection: SCMS-T
  • Supported Codec: LDAC™, LHDC, Qualcomm® aptX™ HD, aptX™, AAC, SBC
  • Paired Devices: Maximum 8 devices
  • Multipoint Connection Devices: Maximum 2 devices

• Audio Outputs:

  • XLR Balanced: XLR ×1 pair (gold-plated), Maximum output level: 1kHz, full scale, into 10kΩ: 0dB setting: 2.0Vrms, +6dB setting: 4.0Vrms, Output impedance: 40Ω
  • RCA Unbalanced: RCA pin ×1 pair (gold-plated), Maximum output level: 1kHz, full scale, into 10kΩ: 0dB setting: 2.0Vrms, Output impedance: 20Ω

• Headphone Outputs:

  • Connectors: 1/4” (6.3mm) TRS stereo jacks × 1 (gold-plated), XLR 4pin jack ×1 (gold-plated), 4.4mm 5-pole Pentaconn jack ×1 (gold-plated)
  • Maximum Output:
    • Balanced: 1200mW + 1200mW (into 100Ω)
    • Active Ground: 900mW + 900mW (into 32Ω)
    • Unbalanced: 900mW + 900mW (into 32Ω)
  • Supported Impedances: 16 to 600Ω

• Clock Section:

  • 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

• External Control:

  • 12V Trigger Out:
    • Connector: 3.5mm Monaural Mini jack × 1
    • Output Level: 12V
    • Max. Current Supply: 100mA

• Audio Performance:

  • Frequency Response: 5Hz to 70kHz (+1/–6 dB)
  • Total Harmonic Distortion: 0.01% or less (1kHz, LPF: 20Hz to 20kHz)
  • S/N Ratio: 105dB or higher (A-weight, 1kHz)

• Power Supply:

  • US/Canada: AC 120V 60Hz
  • UK/Europe: AC 220 to 240V 50Hz
  • Power Consumption: 18W (0.4W in standby)

• Dimensions: 290(W)×85(H)×249(D) mm / 11.4”(W)×3.3”(H)×9.8”(D)

• Weight: 4.9kg / 10.8lbs

• Included Accessories: Power cord, Remote control (RC-1334), AAA Batteries for remote control × 2, feet cushions × 3, Owner's Manual (with warranty)

Optimize your audio experience with the Teac UD-507 USB DAC / Preamplifier / Headphone Amplifier, designed for audiophiles who demand the best in sound quality and versatility.

Teac UD-507 Owner's Manual