Description

On-the-fly precision DSD to PCM Conversion by FPGA

Designed to be used with high performance digital-to-analog converters, the Aurender N10 is the only Music Player to support on-the-fly precision DSD to PCM conversion by FPGA.
With 4TB of (2TBx2) internal hard disk drives and one 240GB solid-state drive cache for playback, the N10 is the perfect solution for even the most extensive high resolution music collections.

Designed to keep the noise system noise level as low as possible

Dual linear power and special shielding prevent noise from being delivered to sensitive DACs for the best sound reproduction.

Full Range of Digital Audio Outputs and Ports for Network Connectivity

Designed to be matched with high performance digital-to-analog converters, the Aurender N10 is equipped with various SPDIF outputs (BNC, AES/EBU, coaxial, optical) and one dedicated USB Audio Class 2.0 output. For network connectivity and file transfers, the N10 comes with one a Gigabyte Ethernet port and two USB 2.0 data ports.

 

Aurender App Packed with Convenient Features for Full-Function Control

The Aurender Conductor App turns the iPad into a versatile user interface for Aurender Music Server/Players. All settings and functions of the Aurender Server/Music Player can be easily accessed through the Settings menu, and the Aurender App comes with extensive features to make managing, viewing and playing high resolution music collections a breeze.

Oven-Controlled Crystal Oscillator (OCXO) for long-term jitter reduction

OCXOs are among the most accurate and stable clocks in use today, and are orders of magnitude more accurate and stable than commonly used ordinary crystal oscillators usually found in computers. Temperature changes cause crystal oscillations to fluctuate, which can lead to jitter in the digital audio signal. Moreover, ordinary crystals are much less stable and lose accuracy over time. In OCXO clocks, a very stable, high-grade crystal oscillator is enclosed in a compartment and kept at a constant temperature to prevent jitter from temperature fluctuations.

 

FPGA-based All Digital Phase-Locked Loop System

An All Digital Phase-Locked Loop system (ADPLL) incorporating Field-Programmable Gate Arrays (FPGA) with OCXO clocks precisely times digital audio data transmissions and minimizes jitter to below negligible levels

 

4TB Hard Disk Drive Storage with Solid-State Drive Cache for Playback

Two internal hard drives provide 4TB of storage and a 240G solid-state drive is used to cache music for playback. If a selected song or album is already cached to the solid-state drive, the hard drive will remain asleep. This minimizes wear and tear on the hard drive. By caching songs to the solid-state drive for playback, electrical and acoustic noise resulting from spinning disks, moving heads and motors are also completely eliminated.

Dedicated USB Audio Class 2.0 Output with Ultra Low Noise Power Circuitry

The dedicated USB Audio Class 2.0 output is designed to deliver an exceptionally transparent audio signal free of noise, and is shielded from outside electronic interference.

AMM and NAS(Network-Attached Storage) Support

If you already have NAS set-up, the Aurender N10 is able to play music stored on NAS devices,

AMM(Aurender Media Manager) software is available for Mac(OS X 10.9 or later) /Windows7 or later

You can run AMM software on your platform of choice, please specify the location of your content on NAS then it will automatically find the Aurender in you local network and make a combining music database. It’s transparent to the user, so once you run AMM , you can select the music with all the meta-data using the Aurender Conductor App without the knowledge of the location of your music files.

 

Remote Internet Technical Support

Sending a Remote Support Request through the Aurender App allows engineers to quickly diagnose and fix problems over the Internet.

Specifications

Compatible Formats DSD(DSF, DFF), WAV, FLAC, AIFF, ALAC, M4A, APE and others
Bit and Sample Rates SPDIF : Up to 24-bit, 192kHz (PCM); 1-bit, 2.8MHz (DSD64)
USB :  32bit /384kHz,  1-bit, 2.8MHz (DSD64); 1-bit, 5.6MHz (DSD128)
User Software Aurender Conductor iPad App, Android App (Lite Version)
Solid-State Drive 1 x 240 GB
Hard Disk Drives 4TB / 8TB
SPDIF Clocking FPGA-based All Digital Phase Locked Loop
Audio Clock OCXO
Digital Audio Outputs 1 coaxial, 1 optical, 1 AES/EBU, 1 BNC, 1 USB Audio Class 2.0
 ​Digital I/O 1 Gigabit LAN, 2 x USB 2.0
​CPU Board Proprietary Aurender Board​
​Main Memory 4GB​
​Finish Silver or Black​
​Dimensions ​430mm x 83mm x 353mm
16.93in x 3.27in x 13.9in
Weight 12.26kg
27.03 lb
​Power Consumption ​Play(27W), Peak(37W), Standby(3.1W)

Reviews

Aurender N10 music server

When I reviewed the Antipodes DX Reference in October 2015, that $7500 media server made musical mincemeat of my regular computer audio setup: a headless 2.7GHz i7 Mac mini fitted with 8GB of RAM and Pure Music and Audirvana apps. Coincident with the publication of that review, Aurender launched its N10 music server ($7999) at the 2015 Rocky Mountain Audio Fest. I had been impressed with Aurender’s Flow USB headphone amplifier when I reviewed it in June 2015, so I asked for an N10.On the Outside
Designed in California and manufactured in South Korea, Aurender’s N10 is a smart-looking if hefty component, 16¾” wide and weighing 26 lbs, with a large Active Matrix Organic LED (AMOLED) screen in the center of its front panel. This screen has two individual “windows” that can be switched between displays of the metadata of a selected file being played and the identity of the USB-connected DAC being used, and a pair of VU-type meters, illuminated in beige or pale blue, using either the Aurender Conductor app (see later) or one of the four buttons to the screen’s right. The other three buttons are the usual Play/Pause and Track Forward and Back functions.The sides resemble black-finished heatsinks, while the rear panel offers, from left to right: an AES/EBU digital output on an XLR jack; coaxial S/PDIF digital outputs on RCA and BNC jacks; a TosLink optical output; a Class 2 USB Type A jack for outputting data to a USB DAC; a stack of two USB Type A jacks for connecting external drives; a Gigabit Ethernet port; and the AC outlet and On/Off switch. (There is a Sleep/Wake button to the left of the front-panel display.)The N10 is a good-looking, solidly finished piece of kit.

On the Inside
Like the Antipodes server, the Aurender N10 is actually a single-purpose computer. Running a modified version of the open-source Linux operating system, it’s dedicated to retrieving audio files—from an external NAS drive, or a drive plugged into one of its Type A USB ports, or its internal storage—and, with the highest precision, sending the data to its Class 2 USB Type B output port or to one of its serial digital audio ports.

Looking first at the hardware, three 2x9V, 25VA toroidal transformers behind the front panel form the basis of a hefty power supply. Internal storage comprises two 2TB Western Digital Green hard drives, along with a 240GB solid-state disk (SSD) that’s used to cache files before playback. These drives, too, are mounted behind the front panel, in a small card frame. When a selected song or album is cached on the SSD, the hard drive storing the original files remains asleep, prolonging the drive’s life. Playing cached files from the SSD also eliminates electrical and acoustic noise from spinning disks and moving heads.

The circuitry is carried on a large, multilayer printed-circuit board, with a hefty heatsink over the microprocessor and the digital-audio-handling section shielded within a machined-aluminum subenclosure. Removing the engraved cover from the subenclosure reveals a neat layout, with a large can in the center marked “OCXO 12.8MHz.” This Oven-Controlled Crystal Oscillator keeps the master clock at a constant temperature to eliminate any changes in its operating frequency due to temperature fluctuations. There are two other crystals on the board, along with large chips from XMOS and Xilinx. The Xilinx is a Spartan Field Programmable Gate Array (FPGA) that Aurender uses to implement a digital phase-locked loop system that they say “precisely times the digital data transmission, reducing jitter to near immeasurable levels.”

Overall, the N10’s full-size enclosure and the layout of its circuitry suggest that Aurender’s designers have paid attention to detail regarding RFI isolation and shielding, as should be the case at a price of $7999.

Conducting
While audio files can be navigated with the N10’s front-panel buttons, it is Aurender’s Conductor app that mostly will be used to control the server. This runs on iPads (an Android version 8is under development), and manages both file playback and all the N10’s settings and functions. I downloaded the app from the Apple App Store, installed it on my iPad mini, and logged on to the family’s protected WiFi network. The N10 had already been connected to the router via Ethernet, and I’d copied both my iTunes library and a large number of high-resolution FLAC and DSD files to its internal storage over the network. As soon as I ran the app, it found the N10 and asked if I wanted to connect to it. Indeed I did!

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