432 EVO Aeon Music Server - As Traded

Sale price$7,000.00

Pickup available at Audio Connection

Usually ready in 5+ days

432 EVO Aeon Music Server - As Traded

432 EVO Aeon Music Server - As Traded

Audio Connection

Pickup available, usually ready in 5+ days

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432 EVO Aeon Music Server - As Traded

Condition: Very Good 

Includes: Power supplies, Power cables (no box)

SN: VPNID AUS05

Overview

The 432 EVO Aeon is our high-performance server just below the flagship Master model, offering many of the same features at a more affordable price. It surpasses many similarly priced digital sources, providing a sound closer to high-end analog without digital harshness, and can be upgraded to the Master model.

Developed from the 432 EVO High-End model, the Aeon includes a dual power supply from S-booster, a high-quality SOtM superclock board for optimized USB output, and core-specific software tuning to minimize jitter. It runs full Roon or Logitech Media Server and a 432 Hz enabled player, which can play bit-perfect audio. The Aeon features a bit-perfect Teac CD drive for ripping CDs, and can convert music to 432 Hz on the fly, offering a more pleasing sound according to research.

The Aeon uses a power-efficient quad-core CPU with 8 GB of RAM, updated in Q4 2020, and employs supercomputing techniques to ensure stellar audio performance by running audio processes on a dedicated core. It minimizes software jitter with advanced kernel and process tuning and features a custom BIOS that allows for future upgrades.

The server runs on a custom real-time Linux OS refined by 432 EVO's owner, Frederic Vanden Poel, ensuring it stays cool and performs reliably 24/7. It includes a 2TB noise-filtered SSD, with optional upgrades to 4TB or 8TB, and a low-noise hybrid storage system.

Additional features include:

  • Bit-Perfect Ripper: A Teac rip drive hand-tested for perfect operation.
  • Modern CPU: Twice as fast as competitors' older chips.
  • USB DAC Output: An ultra-low noise USB output board.
  • Super Clock: Direct clocking with a dedicated superclock board.
  • Dual SBooster Power Supplies: Two independent power supplies for cleaner audio.

It supports streaming services like Tidal, Qobuz, Spotify, and internet radio, and comes pre-installed with Roon Core (separate license required) and Logitech Media Server.

Specification 

AUDIO OUTPUTS
Digital output
Superclock based dedicated USB 3.0 output supporting USB Audio Class 2.0 to connect to your USB DAC
Network streaming with realtime scheduling to any Roon endpoint and Logitech / Squeezebox based players
CONNECTIVITY
Ethernet
1x RJ45 for realtime clocked gigabit supporting true gigabit ethernet ISP’s
USB
1x ultra high-end low jitter superclock based USB DAC output
2x USB 3.0 ports for backup or connecting additional USB dac’s
2x USB 2.0 ports for connecting additional USB dac’s
KVM
VGA, DVI, HDMI and keyboard/mouse service ports – normally never needed as the EVO is VPN supported
OPEN FILE FORMATS
Logitech Media Server
All common formats including DSD, WAV, flac, MP3, ogg vorbis, aac, … Passthrough of MQA
Roon
MP3, WAV, WAV64, AIFF, FLAC, Apple Lossless, OGG, and AAC at resolutions up to 32 bit 768kHz. Roon also supports DSD64, DSD128, DSD256, and DSD512 in the DSF and DFF formats.
DRM FILE FORMAT
Logitech Media Server
Ogg Vorbis as supported by Spotify Passthrough of MQA towards MQA DAC when using bitperfect mode
Roon
MQA first unfold supported & any MQA feature in Roon As MQA does not recover any new audio data in the second unfold, second unfold can be replaced by 432 EVO’s own upsample which also can support minimum phase rendering with one cycle of post-ringing, or the superior sounding Archimago minimum phase filter.
AUDIO TRANSFORMATIONS
Bitperfect mode No audio transformations occur, unless DAC does not support sample rate or bit depth of format, otherwise true bitperfect matching or even beating the most exclusive CD transports
Upsampling-only Output most DSD & PCM formats in any input samplerate as 24 bit or 32 bit output in one of the following output samplerate:
44.1K, 88.2K, 176.4K, 352.8K and DXD, 706.6K
48K, 96K, 192K, 384K, 768K
432 Hz mode Same as upsampling mode, but with 432 Hz processing without resolution loss. 432 Hz and upsampling are a combined one step algorithm, therefore no additional load is caused on the CPU when using 432 Hz mode compared to upsampling
SUPPORTED TUNING TRANSFORMATIONS USING 432 Hz MODE
Input pitch 440 Hz up to 445 Hz in one step increments
Other pitches can be added by special request
Output pitch 415 Hz
426 Hz
430.5 Hz (Equal Tone Temperament)
432 Hz (Verdi’s A, Pythagorean Temperament)
440 Hz (today’s Concert Pitch) → used for upsample-only mode
444 Hz
Supported input formats Any audio and file format from local files on the internal storage on the EVO or a NAS, internet radio, on demand streaming services such.
444 Hz mode not compatible with live internet radio
UPSAMPLING RECIPES
For Upsampling-Only And 432 Hz Modes
Linear phase User tunable linear phase filter, including tuning of processing buffer size and several precision options. All frequencies have the same delay through the filter.
Minimum phase User tunable minimum phase filter, including tuning of processing buffer size and several precision options. No pre-ringing.
Post-ringing can be regular long tail “minimum-phase” without aliasing, or reduced MQA / Ayre inspired one cycle of post-ringing with free bonus aliasing, create pseudo ultrasonics.
Intermediate phase The only server on the market supporting Archimago’s Intermedia Phase upsampling, the most ideal filter with mainly post-ringing and no phase issues within the audible range.
432 EVO implements his original recipe, and two improved variants of this filter
AUDIO SAMPLE RATES
Sample rates All common multiples of 44.1 and 48K
All common DSD formats
Bit depths 16, 24 and 32 bit
CONTROL APPS
Roon Official Roon remote running on Apple or Android tablets & phones
Desktop version of Roon for PC or MAC acting as a Roon remote control
Logitech Media Server Any web browser for web based version of GUI
SqueezePad (iPad)
iPeng (iPhone/iPad)
Orange Squeeze (Android)
Squeezer (Android)
Squeeze Remote (Windows)
CONFIGURATION INTERFACE
Web Gui Web interface usable on any phone, tablet, laptop or desktop:
1. Configure the 432 Hz enabled player
2. Check the riplogs
3. Switch between Roon & Logitech Media Server
4. Several other system configuration parameters not often changed
HARDWARE
Ripdrive Hand tested Teac slot-loading, tested with at least 5 retail CD’s which are known to cause rip issues on some drives. All CD’s must past our extreme test.
Default storage 2 TB full SDD on spring suspension system, with sata noise filtering and sata protocol tuning for lower EMI
Storage upgrades Optional 4 TB or 8 TB full SSD. Please ask your reseller for pricing.
CPU J5040 tuned to a more constant power draw for lower software jitter. More modern and twice as fast than some competitors who use the outdated N4200
Memory 8 GB, plenty for Roon even when importing larger collections.
SUPPORTED STREAMING SERVICES
Roon Internet radio, Qobuz and Tidal
Logitech Media Server Internet radio, Qobuz, Tidal, Spotify and any service for which an LMS plugin is available
REQUIREMENTS
Mains supply 100 Volt AC 50/60Hz / 110 Volt AC 50/60Hz
115 Volt AC 50/60Hz / 120 Volt AC 50/60Hz
220 Volt AC 50/60Hz / 230 Volt AC 50/60Hz
240 Volt AC 50/60Hz
True dual linear power supplies
Internet Internet connection required for updates, VPN support & metadata retrieval.
Can work standalone (e.g. hifi shows, shows on location) with just a Wi-Fi router attached via ethernet and no active internet connection
DAC USB To use the superclock based USB output, you’ll need a USB dac conforming to USB Class Audio 2.0 standard (most DAC’s follow this standard)
Network endpoint To stream to endpoints, you’ll need Roon RAAT or Squeezebox compatible endpoints
PHYSICAL
Colour Black or silver
Weight Server 5 KG
PSU 1.85 KG x 2
Dimensions PSU: 240 x 130 x 75mm (each)
Server 435 x 325 x 60mm (W x D x H, 69mm including feet)
What’s in the box Server
Dual PSU each with DC cable
Manuals & Quick Guide
Chassis Modular chassis which will support future hardware updates such as new main boards as they come to market