UD-301-X - USB DAC
Shrinking high-performance audio into a desktop-friendly package, this is a full-fledged dual monaural DAC
The UD-301-X is a USB DAC in the Reference 301 range, with a low-profile and small footprint that comfortably fits into the smallest spaces on desktops.
Supports the playback of DSD128 and PCM 192 kHz /32-bit content from PC/Mac and features an improved analogue audio stage delivering excellent sound quality to your existing hi-fi system.
In addition, an innovative CCLC headphone amplifier circuit allows you to use the UD-301-X as a high-grade, standalone headphone amplifier as part of a minimalist desktop system, comprising which a computer, headphones and the UD-301-X.
Features at a glance:-
Supports DSD64 and DSD128 native playback (on USB Input)
Supports PCM 192kHz/24-bit playback
Asynchronous Transfer Mode
Up-conversion to 192kHz (user defeatable)
Dual 32-bit BurrBrown PCM1795 DACs
Dual monaural circuit design
Dual MUSES8920 Op-amps
Dual monaural CCLC Headphone amplifier circuit
Toroidal-core power transformer
Full-metal body
USB Audio input
Coaxial digital audio output
Optical digital audio output
XLR analogue balanced output (Output level: Fixed, Variable, Disabled)
RCA analogue unbalanced output (Output level: Fixed, Variable, Disabled)
Headphone output (1/4" Stereo phone jack)
Detachable power cable
Auto-power saving
RoHS compliant
Technical Specifications:-
USB audio input:-
DSD: DSD128 (5.6MHz), DSD64 (2.8MHz)
PCM: 16/24/32-bit
32k / 44.1k / 48k / 88.2k / 96k / 176.4k / 192kHz
Coaxial digital input:-
PCM: 16/24-bit
32k / 44.1k / 48k / 88.2k / 96k / 176.4k / 192kHz
Optical digital input:-
PCM: 16/24-bit
32k / 44.1k / 48k / 88.2k / 96kHz
DAC section
DAC: BurrBrown PCM1795 × 2
Up-conversion: Max 192kHz (On/Off selectable)
Audio inputs
USB
Connector: USB B-type × 1
USB version: USB2.0
Transfer mode: Asynchronous transfer mode
Recommended software: TEAC HR Audio Player (Mac, Windows)
Coaxial digital audio
Connector: RCA Pin × 1
Input impedance: 75 Ω
Input level: 0.5Vp-p
Optical digital audio
Connector: TOS-link × 1
Input level: –24 to –14.5dBm peak
Audio outputs
Analog balanced audio
Connector: XLR 3-32 × 1 pair
Impedance: 200 Ω
Maximum output level: +14dBu (1kHz, Full-scale, 10kΩ loaded, 0dB setting)
Analog unbalanced audio
Connector: RCA Pin × 1 pair
Impedance: 100 Ω
Maximum output level: +2.0Vrms (1kHz, Full-scale, 10kΩ loaded)
Headphone output
Connector: 1/4" (6.3mm) stereo headphone × 1
Maximum output power: 100mW + 100mW (32Ω loaded, THD 0.1%)
Supported impedance: 16 to 1600Ω
Power: AC 230V, 50Hz (UK/Europe)
Power consumption: 10W
Overall dimensions: 8.5" × 2.4" × 9.4" / 215 × 61 × 238mm (W×H×D)
Weight: 4.4 lbs. / 2.0kg
Accessories: Power cord, User Manual (including Warranty)
Audio performance:-
Frequency response: 5Hz to 55kHz (–3dB, Sampling frequency: 192kHz)
Signal-to-Noise ratio: 105dB
Total harmonic distortion: 0.0015% (1kHz, Sampling frequency: 192kHz)