Details
Spec description
Supported formats | |
USB input | |
PCM | 16/24/32 bit 44.1k/48k/88.2k/96k/176.4k/192k/352.8k/384k/705.6k/768k Hz |
DSD | 2.8M/5.6M/11.2M/22.5M Hz |
Coaxial digital input | |
PCM | 16/24 bit 32k/44.1k/48k/88.2k/96k/176.4k/192k Hz |
DSD | 2.8MHz(supported with 176.4kHz/24-bit DoP format) |
Optical digital input | |
PCM | 16/24 bit 32k/44.1k/48k/88.2k/96k/176.4k/192k Hz |
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 | USB B port, USB 2.0, asynchronous mode transfer, bulk transfer |
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 |
Coaxial digital (front) | 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) | 1/8” Mini Optical*×1 (combined with coaxial digital input, detected automatically) |
Input level | -24.0 to -14.5dBm peak |
Analog (rear) | RCA pin ×1 pair (gold-plated) |
Input impedance | 24kΩ |
Input sensitivity | 130mV |
Bluetooth® | |
Bluetooth® version | 4.0 |
Output class | Class2 (Range: approx. 33ft/10m) |
Supported profiles | A2DP, AVRCP |
Content protection | SCMS-T |
Supported codec | LDAC™, Qualcomm® aptX™ HD, aptX™, AAC, SBC |
No. of paired device | maximum 8 devices |
Audio outputs | |
XLR balanced | XLR ×1 pair (gold-plated) |
Output level | Fixed (0dB), fixed (+6dB), variable, output off (selectable) |
Maximum output leve | 2.0Vrms (1kHz, full scale, into 10kΩ, when set to fixed (0dB)) 4.0Vrms (1kHz, full scale, into 10kΩ, when set to fixed (+6dB)) 12.0Vrms (1kHz, full scale, into 10kΩ, when set to variable) |
Output impedance | 188Ω |
RCA unbalanced | RCA pin ×1 pair (gold-plated) |
Output level | Fixed (0dB), fixed (+6dB), variable, output off (selectable) |
Maximum output leve | 2.0Vrms (1kHz, full scale, into 10kΩ, when set to fixed (0dB)) 4.0Vrms (1kHz, full scale, into 10kΩ, when set to fixed (+6dB)) 6.0Vrms (1kHz, full scale, into 10kΩ, when set to 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) |
Power supply | |
AC120V, 60Hz | |
AC220 - 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), 2 AAA batteries for remote control, 3 feet cushions, Owner's Manual(with warranty) |
Up-conversion table
Input Frequency | Up-converted Frequency | ||||||
Coax/Opt | USB | off | 2Fs | 4Fs | 8Fs | DSD256 | DSD512 |
32kHz | - | 32kHz | 64kHz | 128kHz | 256kHz | 8MHz | 16MHz |
44.1kHz | 44.1kHz | 44.1kHz | 88.2kHz | 176.4kHz | 352.8kHz | 11.2MHz | 22.5MHz |
88.2kHz | 88.2kHz | 88.2kHz | 88.2kHz | 176.4kHz | 352.8kHz | 11.2MHz | 22.5MHz |
176.4kHz | 176.4kHz | 176.4kHz | 176.4kHz | 176.4kHz | 352.8kHz | 11.2MHz | 22.5MHz |
- | 352.8kHz | 352.8kHz | 352.8kHz | 352.8kHz | 352.8kHz | 11.2MHz | 22.5MHz |
- | 705.6kHz | 705.6kHz | 705.6kHz | 705.6kHz | 705.6kHz | 11.2MHz | 22.5MHz |
48Hz | 48Hz | 48kHz | 96kHz | 192kHz | 384kHz | 12.2MHz | 24.5MHz |
96kHz | 96kHz | 96kHz | 96kHz | 192kHz | 384kHz | 12.2MHz | 24.5MHz |
192kHz | 192kHz | 192kHz | 192kHz | 192kHz | 384kHz | 12.2MHz | 24.5MHz |
- | 384kHz | 384kHz | 384kHz | 384kHz | 384kHz | 12.2MHz | 24.5MHz |
- |
768kHz | 768kHz | 768kHz | 768kHz | 768kHz | 12.2MHz | 24.5MHz |
No conversion
* Maximum up-conversion rate is 8Fs.
Comparison with previous models
UD-505-X | UD-505 | UD-503 | UD-501 | |
USB DAC | ES9038 Q2M ×2 (L/R) | AK4497 ×2 (L/R) | AK4490 ×2 (L/R) | PCM 1795 ×2 (L/R) |
Supported DSD formats | 22.5MHz maximum | 22.5MHz maximum | 11.2MHz maximum | 5.6MHz maximum |
Supported PCM formats | 768kHz/32-bit maximum | 768kHz/32-bit maximum | 384kHz/32-bit maximum | 384kHz/32-bit maximum |
Up-conversion (Max) | DSD: 24.5MHz (DSD 256, 512) PCM: 384kHz/32-bit (2 fs, 4 fs, 8 fs) |
DSD: 24.5MHz (DSD 256, 512) PCM: 384kHz/32-bit (2 fs, 4 fs, 8 fs) |
DSD: 12.2MHz (DSD 256) PCM: 384kHz/32-bit (2 fs, 4 fs, 8 fs) |
PCM: 192kHz/24-bit (fixed) |
Dual monaural | Yes | Yes | Yes | Yes |
Current buffer circuit | TEAC-HCLD2 | TEAC-HCLD | TEAC-HCLD | - |
TEAC QVCS circuit (High-precision volume) |
Yes | Yes | Yes | - |
Line/balanced outputs | Yes | Yes | Yes | Yes |
Line parallel/ unbalanced outputs |
Yes | Yes | Yes | Yes |
High-precision dual clock | Yes | Yes | Yes | Yes |
External clock input | Yes | Yes | Yes | - |
Preamplifier function | Yes | Yes | Yes | - |
Bulk Pet transmission | Yes | Yes | - | - |
Line output level switching |
|
|
|
- (Line output on/off selection only when headphones connected) |
Front digital input | Yes (Combined coaxial/optical mini jack) |
Yes (Combined coaxial/optical mini jack) |
Yes (Combined coaxial/optical mini jack) |
- |
Analog line inputs | 1 pair (RCA) | 1 pair (RCA) | 1 pair (RCA) | - |
Bluetooth® receiver | Yes | Yes | - | - |
Headphone amplifier circuit | Current-strengthening circuit | Current-strengthening circuit | Current-strengthening circuit | Op-amp |
Headphone output connectors/ drive modes |
4.4mm 5-pole ×1
|
4.4mm 5-pole ×1
|
Standard 6.3mm ×2
|
3.5mm stereo mini ×1
|
Feet | Stressless Pin-point foot | Pin-point foot | Pin-point foot | Conventional insulated foot |
Remote control | Yes | Yes | Yes | - |
Additional Information
Does not appear in Skroutz | No |
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