USB DAC/Headphone Amplifier TEAC UD-505
- The UD-505 is a flagship dual monaural USB DAC with an integrated fully-balanced headphone amplifier, that fuses high-end audio design concepts and TEAC’s decades of audio design experience, in an A4-sized footprint.
- Dual monaural USB DAC/headphone amplifier supporting DSD512 and PCM32/768.
Features
- Hi-Res audio playback supporting DSD512 (22.6MHz) and PCM 768kHz/32-bit PCM.
- Dual monaural circuit design with a high-end AKM VERITA AK4497 DAC on each left and right channel.
- 5 types of PCM digital filters and 2 types of DSD digital filters.
- Up-conversion up to 24.5MHz DSD and 384kHz/32-bit PCM.
- Dual on-board clocks for 44.1kHz and 48kHz frequencies, and 10MHz external clock input.
- Bluetooth receiver supporting LDAC and Qualcomm aptX HD.
- TEAC-HCLD output buffer circuit and TEAC-QVCS volume control for high quality sound.
- Dual toroidal-core power transformers.
- Digital Isolator for separated digital and analogue sections.
- 4.4mm 5-polar Pentaconn jack and dual 1/4-inch TRS jacks for balanced and active-ground drives.
- TEAC’s patent-registered pin-point feet in three positions for the perfect installation.
- Bulk Pet USB transferring technology with four transfer modes for various sound characters.
- USB audio port for Hi-Res audio input from Windows/Mac.
- Coaxial and optical digital inputs on both front and back.
- Convenient analogue LIcE input to use the UD-505 as a pre-amplifier
- Analogue outputs with balanced XLR and conventional unbalanced RCA outputs.
- High-contrast full-graphic organic EL display with dimmer.
- Full-metal body with an A4-sized footprint.
- Free TEAC HR Audio Player for DSD512 and PCM32/768 playback.
- Compliant with RoHS.
Specifications
| Model | UD-505 |
| Supported formats | |
| USB input | - PCM: 16/ 24/ 32-bit, 44.1/ 48/ 88.2/ 96/ 176.4/ 192/ 352.8/ 384/ 705.6/ 768 kHz -DSD: 2.8/ 5.6/ 11.2/ 22.5 MHz |
| Coaxial digital input | - PCM: 16/ 24-bit, 32/ 44.1/ 48/ 88.2/ 96/ 176.4/ 192 kHz - DSD 2.8MHz (supported with 176.4kHz/24-bit DoP format) |
| Optical digital input | - PCM: 16/ 24-bit, 32/ 44.1/ 48/ 88.2/ 96/ 176.4/ 192 kHz - DSD: 2.8 MHz (supported with 176.4kHz/24-bit DoP format) |
| DAC section | |
| USB DAC | Asahi Kasei Microdevices AK4497 × 2 |
| Up-conversion | Up to 384kHz/32-bit PCM, 22.5MHz DSD |
| Digital filters | - PCM filters: Sharp Roll Off, Slow Roll Off, Short Delay Sharp, Short Delay Slow, Low Dispersion, off - DSD cutoff frequencies: + Narrow39kHz (at 2.8M), 78kHz (at 5.6M), 156kHz (at 11.2M) or 312kHz (at 22.5M) + Wide: 76kHz (at 2.8M), 152kHz (at 5.6M), 304kHz (at 11.2M) or 608kHz (at 22.5M) |
| 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: 0.5 Vp-p Input impedance: 75 Ω |
| Optical digital (rear) | TOS-link × 1 - Input level −24.0 dBm to −14.5 dBm peak |
| Coaxial digital (front) | 1/8-inch (3.5mm) mini* × 1 (combined with optical digital input, detected automatically) Input level: 0.5 Vp-p Input impedance: 75 Ω * 1/8-inch Mini - RCA conversion cable included. |
| Optical digital (front) | 1/8-inch Mini Optical*× 1 (combined with coaxial digital input, detected automatically) Input level: -24.0 dBm to -14.5 dBm peak |
| Analogue (rear) | RCA pin × 1 pair (gold-plated) Input impedance: 24 kΩ Input sensitivity: 130 mV |
| 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 (0 dB), fixed (+6 dB), variable, output off (selectable) - Maximum output level: 2.0 Vrms (1 kHz, full scale, into 10 kΩ, when set to fixed (0 dB)) 4.0 Vrms (1 kHz, full scale, into 10 kΩ, when set to fixed (+6 dB)) 12.0 Vrms (1 kHz, full scale, into 10 kΩ, when set to variable) Output impedance: 188 Ω |
| RCA unbalanced | RCA pin × 1 pair (gold-plated) - Output level Fixed: (0 dB), fixed (+6 dB), variable, output off (selectable) - Maximum output level: 2.0 Vrms (1 kHz, full scale, into 10 kΩ, when set to fixed (0 dB)) 4.0 Vrms (1 kHz, full scale, into 10 kΩ, when set to fixed (+6 dB)) 6.0 Vrms (1 kHz, full scale, into 10 kΩ, when set to variable) - Output impedance: 150 Ω |
| Headphone outputs | |
| Connector 1 | 1/4-inch (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+, Ring 1: L–, Ring 2: R+, Ring 3: R–, Sleeve: GND |
| Maximum output | - Balanced: 700 mW + 700 mW (into 32 Ω) - Unbalanced: 500 mW + 500 mW (into 32 Ω × 1) 350 mW + 350 mW (into 32 Ω × 2) - Active ground: 500 mW + 500 mW (into 32 Ω) - Supported impedances: 16-600 Ω |
| Clock section | |
| Internal clock | - Type Crystal oscillator - Number of clocks 2 (44.1kHz and 48kHz) |
| External clock input | - Connector BNC (gold-plated) - Input frequency: 10 MHz - Input impedance: 50 Ω - Input level: Rectangle wave: equivalent to TTL levels Sine wave: 0.5 to 1.0 Vrms |
| Audio performance | |
| Frequency Response | 10 Hz – 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 | 110 dB or higher (192kHz PCM input, RCA output, digital filter off) |
| General | |
| Power supply | AC 120V 60Hz (US/Canada), AC 230V 50Hz (UK/Europe) |
| Power consumption | 18W (0.3 W in standby) |
| Overall dimensions | 290 × 84.5 × 248.7 mm/ 11.4-inch x 3.3-inch x 9.8-inch (W x H x D, including protrusions) |
| Weight | 4.2 kg/ 9.3 lbs. |
- Bảo hành: 12 tháng.
