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TEAC UD-507: USB DAC / Preamplifier / Headphone Amplifier
TEAC UD-507: A Fully Balanced Dual Monaural Headphone Amplifier with TRDD 5 Discrete DAC
The TEAC UD-507 is engineered for audiophiles who seek a truly immersive listening experience. Equipped with the proprietary “TRDD 5” discrete DAC, designed with musicality as the core focus, this model delivers a clear soundstage and precise imaging. Drawing inspiration from TEAC’s renowned 701 series, the UD-507 offers a heightened sense of realism and depth in audio playback.
As a fully balanced dual monaural headphone amplifier, the UD-507 features the TEAC-HCLD2 high-current line driver, known for its robust current supply capability. With significant enhancements over its predecessor, the UD-507 achieves an impressive maximum output power of 1,200mW + 1,200mW (balanced output at 100 ohm load), rivaling dedicated headphone amplifiers that do not include a DAC.
To optimize performance across different headphones, the power amplifier gain can be adjusted between three settings (Low/Mid/High), ensuring compatibility with various sensitivity and impedance levels. The UD-507 is crafted to elevate your listening experience, delivering power, clarity, and precision in one versatile unit.
Specifications
Supported Formats
- USB Input
- PCM: 16/24/32 bit (44.1k to 384kHz)
- 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: In-house designed Discrete DAC TRDD5
- Up-conversion: Up to 384kHz/32-bit PCM
Audio Inputs
- USB
- Ports: USB Type-C × 1, USB Type-B × 1
- USB Version: 2.0
- Transfer Mode: Asynchronous mode transfer, Bulk Pet
- 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
- Analog (Balanced)
- Connectors: XLR × 1 pair (gold-plated)
- Input Impedance: 50kΩ
- Input Sensitivity: 5Vrms
- Analog (Unbalanced)
- Connectors: RCA pin × 1 pair (gold-plated)
- Input Impedance: 24kΩ
- Input Sensitivity: 2.5Vrms
Bluetooth®
- Version: 4.2
- Output Class: Class 2 (Range: approx. 33ft/10m)
- Supported Profiles: A2DP, AVRCP
- Content Protection: SCMS-T
- Supported Codecs: LDAC™, LHDC, Qualcomm® aptX™ HD, aptX™, AAC, SBC
- Number of Paired Devices: Maximum 8 devices
- Number of Multipoint Connections: Maximum 2 devices
Audio Outputs
- XLR Balanced
- Connector: XLR × 1 pair (gold-plated)
- Maximum Output Level:
- 0dB setting: 2.0Vrms
- +6dB setting: 4.0Vrms
- Output Impedance: 40Ω
- RCA Unbalanced
- Connector: RCA pin × 1 pair (gold-plated)
- Maximum Output Level:
- 0dB setting: 2.0Vrms
- Output Impedance: 20Ω
Headphone Outputs
- Connector 1: 1/4” (6.3mm) TRS stereo jack × 1 (gold-plated)
- Connector 2: XLR 4-pin jack × 1 (gold-plated)
- Connector 3: 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
- Measurement Conditions: 192kHz/24-bit PCM input, RCA output, DAC mode MULTIBIT
- 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)
General
- Power Supply
- US/Canada: AC 120V 60Hz
- UK/Europe: AC 220 to 240V 50Hz
- Power Consumption: 18W (0.4W in standby)
- Dimensions (including protrusions): 290(W) × 85(H) × 249(D) mm / 11.4”(W) × 3.3”(H) × 9.8”(D)
- Weight: 4.9kg / 10.8lbs
- Operating Temperature: +5℃ to +35℃
- Operating Humidity Range: 5% to 85% (no condensation)
Included Accessories
- Power cord
- Remote control (RC-1334)
- AAA batteries for remote control × 2
- Feet cushions × 3
- Owner’s Manual (with warranty)
Brand
TEAC
Founded in 1953 by Katsuma Tani, TEAC Corporation has been a trailblazer in the world of high-fidelity audio. Originally renowned for its innovative reel-to-reel tape decks, TEAC has evolved into a leader in modern audio technology, delivering products that combine precision engineering with timeless design. From their origins in professional recording to high-end consumer audio, TEAC’s mission has always been to faithfully capture and reproduce the essence of sound.
TEAC's product lines include the Reference Series, which features compact high-performance components for audiophiles, and the Hi-Res Audio Player lineup, delivering high-resolution playback for modern music enthusiasts. The Turntables series combines retro design with advanced technology, while the Professional Recording Solutions cater to studios and broadcasters, ensuring TEAC remains a trusted name in the industry.
Known for its commitment to craftsmanship and innovation, TEAC continues to create audio equipment that appeals to both professionals and home listeners, offering products that connect people to the beauty of authentic sound.
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