TEAC NT-505, tinklo grotuvas

€1,783.95 EUR

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Armatūrininkų g. 1, Kaunas
Darbo laikas: I-V 9:00-18:00

NT-505 yra pavyzdinis dvigubas monofoninis USB DAC su universaliomis tinklo atkūrimo galimybėmis. Jame sėkmingai įdiegtos naujausios tinklo technologijos ir TEAC dešimtmečius kaupta garso dizaino patirtis, todėl jis yra patrauklus A4 formato pakuotėje.

For the ultimate Digital-to-Analog performance
High-performance VERITA AK4497 DACs supporting DSD512 and PCM32/768
The NT-505 employs the latest VERITA AK4497 (developed by Asahi Kasei Microdevices) on each of the left and right channels.
It is a highly-regarded high-end audio DAC, and supports DSD512 (22.5MHz) and 768kHz/32-bit PCM formats, achieving industry-leading ultra low distortion levels. OSRD (Over-sampling Ratio Doubler) technology, meanwhile, significantly reduces out-of-band noise.
As a result, the NT-505 has the refinement necessary to make the most of Hi-Res formats, successfully processing information that lies outside the audible range.

* The AK4497 is the flagship product of the Asahi Kasei Microdevices Audio4pro™ family, which has been developed for professional audio equipment and high-end digital audio.
Dual monaural circuit design and fully-balanced design
A dual monaural circuit configuration is used throughout, from the power supply (including power transformers), to the D/A converters in the digital section and the Analog output stage.
From the high-performance VERITA AK4497 D/A converters to the massive toroidal-core power transformers, each element is configured for single channel processing.
This prevents mutual interference effects while reproducing a rich acoustic expressiveness.
In addition, the Analog audio signals of both the left and right channels are processed in full balanced mode soon after the D/A converters all the way to the output terminal, contributing to an improved S/N ratio and extended dynamic range.
This allows the fantastic sense of air that Hi-Res formats possess to be processed and conveyed without any losses.

Supports Spotify, TIDAL Qobuz music subscription services, and is Roon Ready
Connecting to your home network via a LAN cable, the NT-505 allows you to access Hi-Res music libraries on available music servers and computers, as well as hundreds of millions of CD-quality tracks on Internet via music subscription services like TIDAL and Qobuz, in addition to free music subscription service Spotify that delivers over 50 millions music from the world.
The NT-505 is also a Roon Ready product that enables Hi-Res audio streaming thanks to its high-performance D/A converters.

MQA decoder for master quality streaming
In order to achieve an Analog waveform closer to the original signal, the NT-505 supports MQA decoding while also supporting high sampling rate Hi-Res formats like DSD512 and PCM32/768.
The MQA decoder is a totally new technology that controls Analog waveforms with excellent precision (as fine as 5 microseconds) and it reproduces sound in a manner that is perceived to be as close as possible to the original (to human hearing).
Furthermore, a high-efficiency compression algorithm makes huge Hi-Res audio files compact in size, so you will be able to enjoy Hi-Res audio sources regardless of the speed of your Internet connection.

* MQA Ready is scheduled to be deployed in the near future.

High-quality wireless audio streaming via Bluetooth®
In addition to conventional SBC and AAC codecs, the NT-505 also supports LDAC™ (24/96 Hi-Res audio transmission), and Qualcomm® aptX™ HD, a codec that uses 24/48 format transmission. These allow you to playback playlists on your smartphone and tablet wirelessly.
UD-505

Hi-Res audio playback from USB flash drive
The USB port on the front panel allows you to playback Hi-Res audio formats including DSD128 (5.6MHz) and PCM 24/192.

Dual onboard clocks for 44.1k and 48kHz, and an external clock input
Instead of referencing to an unstable and noisy PC clock during USB audio playback, a more accurate and on-board clock is generated by a high-precision, low phase-noise, audio-grade crystal oscillator for USB asynchronous transfer mode.
The NT-505 accommodates two on-board clocks exclusively for 44.1kHz and 48kHz sampling frequencies and applies the appropriate one to incoming digital signals - those that are multiples of 44.1k or 48k - to reproduce identical sound to the original by eliminating jitter effects on the audio signal.
In addition, an external 10MHz clock input is also provided, to synchronise with an even higher-precision master clock generator, such as the TEAC CG-10M, for yet further upgraded audio playback with excellent sound quality.

Up-conversion up to 384kHz/32-bit PCM and 24.5MHz DSD
Employing RDOT-NEO (Refined Digital Output Technology NEO), a fluency algorithm that renders digital audio signals smoothly, the NT-505 up-converts PCM digital signals up to 384kHz/32-bit PCM and 24.5MHz DSD. With the up-conversion function activated, you will hear an improvement in quality, even with music that you are familiar with.

"Bulk Pet" USB transfer technology for enhanced audio quality
When transferring large volumes of digital data for Hi-Res audio sources through USB cables using conventional isochronous transfer mode, large variations can occur in the processing loads of the sending computer and the receiving USB DAC.
This can cause sound to drop out and other problems to occur. However, with our new USB transmission technology - dubbed "Bulk Pet" - a fixed amount of data is transmitted constantly, levelling out the processing burden on both devices and contributing to stable data transmission.
Changing the processing burden on the computer directly affects audio quality so users can select the setting they prefer (from four transmission modes).

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), 312kHz (at 22.5M)
Wide: 76kHz (at 2.8M), 152kHz (at 5.6M), 304kHz (at 11.2M), 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: Class 2 (Range: approx. 33ft/10m)
Supported profiles: A2DP, AVRCP
Content protection: SCMS-T
Supported codec: LDAC™, Qualcomm® aptX™ HD, aptX™, AAC, SBC
No. of paired devices: maximum 8 devices

Audio outputs
XLR balanced
Connectors: XLR×1 pair (gold-plated)
Output level: Fixed (0dB), fixed (+6dB), variable, output off (selectable)
Maximum output level: 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
Connectors: RCA pin×1 pair (gold-plated)
Output level: Fixed (0dB), fixed (+6dB), variable, output off (selectable)
Maximum output level: 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

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NT-505 yra pavyzdinis dvigubas monofoninis USB DAC su universaliomis tinklo atkūrimo galimybėmis. Jame sėkmingai įdiegtos naujausios tinklo technologijos ir TEAC dešimtmečius kaupta garso dizaino patirtis, todėl jis yra patrauklus A4 formato pakuotėje.

For the ultimate Digital-to-Analog performance
High-performance VERITA AK4497 DACs supporting DSD512 and PCM32/768
The NT-505 employs the latest VERITA AK4497 (developed by Asahi Kasei Microdevices) on each of the left and right channels.
It is a highly-regarded high-end audio DAC, and supports DSD512 (22.5MHz) and 768kHz/32-bit PCM formats, achieving industry-leading ultra low distortion levels. OSRD (Over-sampling Ratio Doubler) technology, meanwhile, significantly reduces out-of-band noise.
As a result, the NT-505 has the refinement necessary to make the most of Hi-Res formats, successfully processing information that lies outside the audible range.

* The AK4497 is the flagship product of the Asahi Kasei Microdevices Audio4pro™ family, which has been developed for professional audio equipment and high-end digital audio.
Dual monaural circuit design and fully-balanced design
A dual monaural circuit configuration is used throughout, from the power supply (including power transformers), to the D/A converters in the digital section and the Analog output stage.
From the high-performance VERITA AK4497 D/A converters to the massive toroidal-core power transformers, each element is configured for single channel processing.
This prevents mutual interference effects while reproducing a rich acoustic expressiveness.
In addition, the Analog audio signals of both the left and right channels are processed in full balanced mode soon after the D/A converters all the way to the output terminal, contributing to an improved S/N ratio and extended dynamic range.
This allows the fantastic sense of air that Hi-Res formats possess to be processed and conveyed without any losses.

Supports Spotify, TIDAL Qobuz music subscription services, and is Roon Ready
Connecting to your home network via a LAN cable, the NT-505 allows you to access Hi-Res music libraries on available music servers and computers, as well as hundreds of millions of CD-quality tracks on Internet via music subscription services like TIDAL and Qobuz, in addition to free music subscription service Spotify that delivers over 50 millions music from the world.
The NT-505 is also a Roon Ready product that enables Hi-Res audio streaming thanks to its high-performance D/A converters.

MQA decoder for master quality streaming
In order to achieve an Analog waveform closer to the original signal, the NT-505 supports MQA decoding while also supporting high sampling rate Hi-Res formats like DSD512 and PCM32/768.
The MQA decoder is a totally new technology that controls Analog waveforms with excellent precision (as fine as 5 microseconds) and it reproduces sound in a manner that is perceived to be as close as possible to the original (to human hearing).
Furthermore, a high-efficiency compression algorithm makes huge Hi-Res audio files compact in size, so you will be able to enjoy Hi-Res audio sources regardless of the speed of your Internet connection.

* MQA Ready is scheduled to be deployed in the near future.

High-quality wireless audio streaming via Bluetooth®
In addition to conventional SBC and AAC codecs, the NT-505 also supports LDAC™ (24/96 Hi-Res audio transmission), and Qualcomm® aptX™ HD, a codec that uses 24/48 format transmission. These allow you to playback playlists on your smartphone and tablet wirelessly.
UD-505

Hi-Res audio playback from USB flash drive
The USB port on the front panel allows you to playback Hi-Res audio formats including DSD128 (5.6MHz) and PCM 24/192.

Dual onboard clocks for 44.1k and 48kHz, and an external clock input
Instead of referencing to an unstable and noisy PC clock during USB audio playback, a more accurate and on-board clock is generated by a high-precision, low phase-noise, audio-grade crystal oscillator for USB asynchronous transfer mode.
The NT-505 accommodates two on-board clocks exclusively for 44.1kHz and 48kHz sampling frequencies and applies the appropriate one to incoming digital signals - those that are multiples of 44.1k or 48k - to reproduce identical sound to the original by eliminating jitter effects on the audio signal.
In addition, an external 10MHz clock input is also provided, to synchronise with an even higher-precision master clock generator, such as the TEAC CG-10M, for yet further upgraded audio playback with excellent sound quality.

Up-conversion up to 384kHz/32-bit PCM and 24.5MHz DSD
Employing RDOT-NEO (Refined Digital Output Technology NEO), a fluency algorithm that renders digital audio signals smoothly, the NT-505 up-converts PCM digital signals up to 384kHz/32-bit PCM and 24.5MHz DSD. With the up-conversion function activated, you will hear an improvement in quality, even with music that you are familiar with.

"Bulk Pet" USB transfer technology for enhanced audio quality
When transferring large volumes of digital data for Hi-Res audio sources through USB cables using conventional isochronous transfer mode, large variations can occur in the processing loads of the sending computer and the receiving USB DAC.
This can cause sound to drop out and other problems to occur. However, with our new USB transmission technology - dubbed "Bulk Pet" - a fixed amount of data is transmitted constantly, levelling out the processing burden on both devices and contributing to stable data transmission.
Changing the processing burden on the computer directly affects audio quality so users can select the setting they prefer (from four transmission modes).

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), 312kHz (at 22.5M)
Wide: 76kHz (at 2.8M), 152kHz (at 5.6M), 304kHz (at 11.2M), 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: Class 2 (Range: approx. 33ft/10m)
Supported profiles: A2DP, AVRCP
Content protection: SCMS-T
Supported codec: LDAC™, Qualcomm® aptX™ HD, aptX™, AAC, SBC
No. of paired devices: maximum 8 devices

Audio outputs
XLR balanced
Connectors: XLR×1 pair (gold-plated)
Output level: Fixed (0dB), fixed (+6dB), variable, output off (selectable)
Maximum output level: 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
Connectors: RCA pin×1 pair (gold-plated)
Output level: Fixed (0dB), fixed (+6dB), variable, output off (selectable)
Maximum output level: 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