Payment by wire transfer instantly gets an extra 5% discount on the basket!High performance VERITA AK4490 DAC
Supports 11.2MHz DSD and 32-bit / 384kHz PCM, DAC is the key to the best-sounding digital system. The NT-503 uses a pair of VERITA AK4490 DACs designed by Asahi Kasei Microdevices Corporation.
In addition to 11.2MHz DSD Native playback, the NT-503 also supports a wide variety of Hi-Res Audio sources, including 32-bit / 384kHz PCM. Smooth details and exceptional sense of sound placement are reproduced at the limits of Hi-Res Audio.
AK4490, Audio4pro ™ developed by Asahi Kasei Microdevices Corporation for professional audio equipment and high-end digital audio applications. It is a family brand product.
Technical Information
| USB Section | |
| USB (Rear) | |
| Connector | USB B-type x 1 (USB2.0) |
| Supported Formats (Detail) | DSD (dsf, dsdiff), PCM |
| Recommended Software | TEAC HR Audio Player (Windows, Macintosh) |
| USB (Front) | |
| Connector | USB A-type x 1 (USB2.0) |
| Supported Media | USB Flash Memory |
| Supported Formats (Detail) | DSD (dsf), WAV, FLAC, AAC, Apple Lossless, WMA Lossless, WMA Standard, OGG Vorbis, MP3 |
| Network Section | |
| Connector | RJ-45 (100Base-T) |
| DLNA Remote Play | DLNA 1.5 complied |
| Supported Formats (Detail) | DSD (dsf), PCM, WAV, FLAC, AAC, Apple Lossless, WMA Lossless, WMA Standard, OGG Vorbis, MP3 |
| Home Media | |
| Supported Formats (Detail) | DSD (dsf), WAV, FLAC, AAC, Apple Lossless, WMA Lossless, WMA Standard, OGG Vorbis, MP3 |
| Bluetooth® Section | |
| Version, Class | V3.0, Class2 |
| Supported Profile | A2DP, AVRCP |
| Supported Codec | aptX®, AAC, SBC |
| A2DP Content Protection | SCMS-T |
| Number of Pairing Devices | Max. 8 devices |
| Internet Music Services | |
| Supported Services | A free iOS/Android App “TEAC HR Remote” is required to access these services. |
| US/Canada | Pandora (accessible from US only), Sirius/XM, Deezer, Spotify, Slacker |
| UK/Europe | Deezer, Spotify |
| Digital Audio Inputs | |
| Coaxial Digital (Rear) | |
| Connector | RCA Pin jack x 1 |
| Input Level | 0.5 Vp-p |
| Input Impedance | 75 ohms |
| Supported Formats (Detail) | DSD (dsf, dsdiff), PCM |
| Optical Digital (Rear) | |
| Connector | TOS-link x 1 |
| Input Level | -24.0 to -14.5 dBm peak |
| Supported Formats (Detail) | DSD (dsf, dsdiff), PCM |
| Coaxial/Optical Digital (Front) | |
| Connector | 1/8″ (3.5mm) Coaxial Digital/Optical Mini jack x 1 (compatible) |
| Input Level | |
| Coaxial Digital | 0.5 Vp-p |
| Optical Digital | -24.0 to -14.5 dBm peak |
| Input Impedance | 75 ohms (Coaxial Digital) |
| Supported Formats (Detail) | DSD (dsf, dsdiff), PCM |
| Analog Audio Outputs | |
| Balanced Output | |
| Connector | XLR 3-32 jack x 1 pair (Gold-plated) |
| Output Impedance | 188 ohms |
| Maximum Output Level | 2.0 Vrms (1kHz, Full-scale, 10k ohms loaded, 0 dB Fixed Level) 4.0 Vrms (1kHz, Full-scale, 10k ohms loaded, +6 dB Fixed Level) 12.0 Vrms (1kHz, Full-scale, 10k ohms loaded, Variable Level) |
| Unbalanced Output | |
| Connector | RCA Pin jack x 1 pair (Gold-plated) |
| Output Impedance | 150 ohms |
| Maximum Output Level | 2.0 Vrms (1kHz, Full-scale, 10k ohms loaded, 0 dB Fixed Level) 4.0 Vrms (1kHz, Full-scale, 10k ohms loaded, +6 dB Fixed Level) 6.0 Vrms (1kHz, Full-scale, 10k ohms loaded, Variable Level) |
| Headphone Output | |
| Connector | 1/4″ (6.3mm) Stereo jack x 1 (Gold-plated) |
| Maximum Output Level | 500mW + 500mW (32 ohms loaded) |
| Supported Headphone Impedance | 16 to 600 ohms |
| Clock Input | |
| Connector | BNC jack x 1 (Gold-plated) |
| Input Frequency | 10MHz |
| Input Impedance | 50 ohms |
| Input Level | |
| Rectangle Wave | TTL Level or equivalent |
| Sine Wave | 0.5 to 1.0 Vrms |
| Audio Performance | |
| Frequency Response | 5Hz to 80kHz (+1dB/-3dB) |
| Signal-to-Noise Ratio | 110 dB (A-weighted, 1kHz) |
| Total Harmonic Distortion | 0.0015% (1kHz, LPF: 20Hz to 20kHz) |
| Audio Settings | |
| Up-conversion | x8, x4 , x2, Off (Switchable) |
| Digital Filters | |
| DSD Cut-off Filters | 50kHz, 150kHz (Switchable) |
| PCM Digital Filters | FIR Sharp, FIR Slow, Short-delay Sharp, Short-delay Slow (Switchable) |
| Line Output | RCA, XLR2 (HOT 2), XLR (HOT 3) (Switchable) |
| Line Output Level | 0dB Fixed, +6dB Fixed, Variable, Off (Switchable) |
| Supported OS | |
| Windows | Windows 10 (32/64-bit), Windows 8.1 (32/64-bit), Windows 8 (32/64-bit), Windows 7 (32/64-bit) |
| Macintosh | El Capitan (10.11.1), Yosemite（OS X10.10）, Mavericks（OS X10.9）, Mountain Lion（OS X10.8）, Lion（OS X10.7） |
| Operation Power | |
| US/Canada | AC 120V, 60Hz |
| UK/Europe | AC 220 – 240V, 50/60Hz |
| Power Consumption | 18 Watts (0.4 Watts at Standby mode, 3 Watts at Network Standby mode) |
| Overall Dimensions (including protrusions) | 11.4″ (W) x 3.2″ (H) x 9.8″ (D) 290 (W) x 81.2 (H) x 248.7 (D) mm |
| Weight | 8.6 lbs. / 3.9 kg |
| Accessories | RCA-Mini plug Cable, Remote Control (RC-1320), AAA Batteries x 2, Power Cord, Owner’s Manual (including Warranty Card) |
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