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Dual monaural USB DAC/Network Player supporting DSD512 and PCM32/768
The NT-505 is a flagship dual monaural USB DAC with versatile network playback capabilities. It successfully incorporates the latest network technologies, along with TEAC’s decades of accumulated audio design experience, in an attractive package with an A4-sized footprint.
Like its predecessor (the NT-503) it employs a dual monaural circuit design to process audio signals with even greater purity, with the latest VERITA AK4497 DAC chip used on each of the two channels. This improves the S/N (signal to noise) ratio by processing each channel individually in monaural mode, as well as delivering DSD512 (22.5MHz) native and 768kHz/32-bit PCM playback capabilities.
The Analog section, which is one of the keys to sound quality, includes four TEAC-HCLD buffer amp circuits that allow different drive modes, - fully-balanced drive for balanced output, and parallel drive mode for unbalanced output - to achieve enhanced acoustic expression.
On the network audio side, the NT-505 supports high-quality music subscription services, namely TIDAL and Qobuz, and is Roon Ready. There’s also a built-in MQA decoder, and you will enjoy unlimited music content on the Internet thanks to its high-quality digital and Analog processing technologies.
In addition to a wide range of digital and Analog inputs, a Bluetooth® receiver supporting LDAC™ and Qualcomm® aptX HD™ allows you to stream high-quality audio wirelessly from your smartphone to this flagship USB DAC.
The NT-505 is a compact and high-spec USB DAC and network player that supports the latest Hi-Res formats and online music subscription services.
| 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 | 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 | Narrow : 39kHz (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) |
| LAN section | |
| Connector | RJ-45×1(1000Base-T) |
| MQA Decoder | Built-in |
| Audio inputs | |
| USB (rear) | 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 |
| USB (front) | USB A port |
| Supported media | USB Flash Drive |
| 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 | 1/8” (3.5mm) Stereo TRS(or TRRS) jack×1 (gold-plated) |
| Polarity | Tip:L+, Ring1:R+, Ring3:L-, Sleeve:R- |
| Maximum output | 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 | |
| US/Canada | AC 120V 60Hz |
| UK/Europe | AC 220 to 240V 50Hz |
| Power consumption | 18W (0.4W in standby) |
| dimensions (including protrusions) | 290(W)×81.2(H)×248.7(D) mm / 11.4”(W)×3.2”(H)×9.8”(D) |
| Weight | 3.9kg / 8.6lbs |
| Included accessories | Power cord, RCA mini plug adapter cable, remote control (RC-1330),2 AAA batteries for remote control, Owner's Manual (with warranty) |
Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
US$40
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