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NT505
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TEAC - NT-505 - USB DAC / Network Player is available to buy in increments of 1

TEAC - NT-505 - USB DAC / Network Player

TEAC - NT-505 - USB DAC / Network Player

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.

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 channel
  • Supports MQA decoder and music subscription services (TIDAL and Qobuz) and is Roon-ready
  • DSD128 (5.6MHz) and PCM 192kHz/24-bit Network streaming from NAS/PC
  • 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
  • “Bulk Pet” USB transfer technology, with four transfer modes to vary sound character *1
  • Free TEAC HR Audio Player and TEAC HR Streamer app
  • 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 channel
  • Supports MQA decoding and TIDAL and Qobuz music subscription services, and is Roon Ready
  • DSD128 (5.6MHz) and PCM 192kHz/24-bit Network streaming from NAS/PC
  • 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
  • 1/4” (6.3mm) stereo TRS jack supporting ground-separate drive
  • “Bulk Pet” USB transferring technology with four transfer modes for various sound characters*1
  • USB audio port for Hi-Res audio input from Windows/Mac
  • Coaxial and optical digital inputs on both front and back
  • Front USB port supporting Hi-Res playback from USB flash drive
  • 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
  • Free TEAC HR Streamer app for iOS/Android devices
  • Compliant with RoHS

SPECIFICATIONS:

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 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 x 1 (100Base-T)
MQA Decoder Built-in

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” (3.5mm) mini* × 1 (combined with optical digital input, detected automatically)
Input level 0.5 Vp-p
Input impedance 75 Ω
* 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 dBm to −14.5 dBm 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 (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 1/4” (6.3mm) Stereo TRS jack × 1 (gold-plated)
Maximum output 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)

Operating systems
Windows Windows 10
Windows 8.1 (32-bit, 64-bit)
Windows 8 (32-bit, 64-bit)
Windows 7 (32-bit, 64-bit)
Macintosh High Sierra (macOS 10.13)
Sierra (macOS 10.12)
El Capitan (OS X 10.11)
Yosemite (OS X 10.10)
Mavericks (OS X 10.9)
Mountain Lion (OS X 10.8)
Lion (OS X 10.7)

General
Power supply AC 120V 60Hz (US/Canada), AC 220-240V 50Hz (UK/Europe)
Power consumption 20 W (0.4 W in standby)
Overall dimensions 290 × 81.2 × 248.7 mm / 11.4” x 3.2” x 9.8”
(W x H x D, including protrusions)
Weight 3.9 kg / 8.6 lbs.

Included Accessories

Power cord, RCA mini-plug adapter cable, remote control (RC-1330),
2 AAA batteries for remote control, Owner's Manual (with warranty)

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