Kronos AV
Kronos AV

Roon Nucleus / Nucleus + Audio Music Server
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  • Regular price £1,499.00
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Nucleus is the center of your Roon music system. It’s the housekeeper, the traffic cop, and the brain that takes care of the music in your life. Using Nucleus, Roon manages all your music – on hard drives, NAS, and streaming content – and allows you to play it on all the audio devices around your home. Nucleus is the best way to run Roon, at any price.

Just plug Nucleus into your network, connect your hard drives, download Roon remote apps (iOS, Android, macOS, Windows) and you’ll be ready to play music using a wide variety of audio devices, including AirPlay, Sonos, Roon Ready, Devialet, KEF, Meridian, Squeezebox, and a huge variety of USB DACs.

Aside from being a powerful, fanless music server, what sets Nucleus apart is that it’s powered by Roon OS – a fast and lightweight operating system optimized to do just one thing: browse and play music. Roon is a multi-room, multi-user networked audio platform built to the exacting standards of audiophiles, so it offers features like bit-perfect playback, DSD and PCM upsampling, multichannel playback, and signal path display.

As well as distributing music throughout your home, Nucleus also offers the very finest performance possible when connected to a USB DAC. A computer source has never sounded this good before.

Nucleus or Nucleus+?

Both the Nucleus and Nucleus+ servers look and function in exactly the same way. Their difference is primarily down to the Intel® processor used in each model, which shifts their speed and workload capacity.

The standard Nucleus is suited to smaller multi-room environments, or for installations where complex DSP processing is not required. It's also suited to smaller library sizes.

Nucleus+ is the more advanced solution, for complex or high-end environments and for lightning-fast handling of larger music libraries.

See our Technical Data for more information.

  • Manages your music stored on USB hard drives, NAS, and streamed content from TIDAL and Qobuz
  • Runs Roon OS and is controlled by the Roon apps for iOS, Android, macOS, Windows
  • Streams music to Sonos®, AirPlay®, Google®, Roon Ready™, Roon Tested™ and many other audio devices
  • Silent design with no fans or moving parts
  • Requires a Roon subscription (available here)
  • Roon OS boasts a string of features and enhancements that are only available to Nucleus customers

Learn more about what makes Roon Nucleus and Nucleus+ special in the UK Distributors 'Nucleus Explained' article.

Roon Nucleus+, Hi-Fi World, May 2019

Hi-Fi World, May 2019

Score: 4/5 Globes 
  EXCELLENT - Extremely capable. 

Comments of Note:

"Roon’s Nucleus+ music server packs power for a home network."

This review was of the original Nucleus+, which has the same technical performance of the 2019 revision but a different look.

Read the full review here

Roon Nucleus+, Essential Install, Online Review

Essential Install, Online Review

Comments of Note:
"Roon remains the most compelling music service for serious music enthusiasts and the Nucleus+ makes the concept super-slick, very fast and seriously robust."

This review was of the original Nucleus+, which has the same technical performance of the 2019 revision but a different look.

Read the full review here

Roon Nucleus +, HiFi Pig, November 2018

HiFi Pig, November 2018

Reviewed By: John Scott
Rating: Outstanding
Build Quality: Solidly built, the Nucleus/Nucleus+ is simultaneously elegant and unobtrusive
Sound Quality: Sophisticated DSP and up-sampling ensured an improvement in sound quality in whatever system Nucleus + was used in

Comments of Note:
"The Nucleus+ provides an elegant, unparalleled plug and play one-box solution to digital library management, digital signal processing and multi room capability."

This review was of the original Nucleus+, which has the same technical performance of the 2019 revision but a different look.

Read the full review here.

Roon Nucleus+, Hi-Fi+, August 2018

Hi-Fi Plus, August 2018

Reviewed by: Chris Thomas

Comments of Note:
" the Nucleus is easily recommendable as it’s small, easy to accommodate and simply allows the software to work at its optimum."

This review was of the original Nucleus+, which has the same technical performance of the 2019 revision but a different look.

Read the full review here.

Roon Nucleus+, Hi-Fi Choice, July 2018

Hi-Fi Choice, July 2018

Sound Quality: 5 stars
Value for Money: 4 stars
Build Quality: 4.5 stars
Features: 5 stars
Overall: 4.5 Stars

Comments of Note:
"The Nucleus+ offers is peerless handling of large music libraries, coupled with a top-notch browsing experience that means you will almost certainly feel compelled to make considerable use of it."

This review was of the original Nucleus+, which has the same technical performance of the 2019 revision but a different look.

Read the full review here.

Roon Nucleus +, Hi-Fi News, April 2018

Hi-Fi News, April 2018

Reviewed By: Andrew Everard
Labs By: Paul Miller
Sound Quality: 87%

Comments of Note:
"It offers a solid platform on which your chosen DAC can strut its stuff. Its combination of style, joined-up thinking and sheer user appeal makes this an intriguing addition to any ‘computer audio’ system."

This review was of the original Nucleus+, which has the same technical performance of the 2019 revision but a different look.

 Read the full review here.

Nucleus:

Library Capacity: Up to 10,000 albums (100,000 tracks)
Multi-Room Streaming Up to 6 Simultaneous Zones
DSP Capability: All DSP functions available in the PCM domain. Certain combinations of functions using DSD source or destination formats, upsampling, or multichannel processing may not be possible.

Nucleus+:

Library Capacity: Over 10,000 albums (100,000 tracks)
Multi-Room Streaming Over 6 Simultaneous Zones
DSP Capability: All DSP functions available

Common Features:

Input Voltage: 12-19V DC
I/O Ports:

2 x USB 3.0 (can be used for hard drive and/or DAC)
2 x HDMI (stereo and multi-channel audio output)
Internal Drive: 2.5” SATA SSD or HDD up to 15mm drive height
Dimensions: 267mm (W) x 267mm (D) x 61mm (H)
Home Automation Features: Control4 and Crestron Drivers
Weight: 3.2kg (excluding power supply)
Accessories: Power Supply / Quick-Start Guide

We are still delivering orders as normal. When your order ships you will still receive tracking details. For UK shipments, Our couriers have procedures in place to ensure deliveries are arriving as quickly & safely as possible. Drivers can now sign for your parcels, however will notify you that they have arrived, in order to ensure you receive your parcel. Signing for the parcel has now been stopped temporally for hygiene reasons. Drivers are also working with customer instructions, so you can ask them to leave the parcel in a safe place (doorstep etc...) if you prefer not to come into direct contact with the driver.

Express Deliveries

Express Delivery is FREE on all orders over £50. Express Delivery offers delivery in 24-72 hours from time of purchase. We use premium couriers for this service, mainly DPD & Royal Mail. DPD will offer you a one hour window for delivery to make sure someone is at home, or you can reschedule the delivery if no one is around. 

Standard Deliveries

Here at Kronos AV, we have vast experience with e-commerce sales. Making sure that your parcel arrives undamaged is a huge priority for us. That’s why at Kronos AV, we only use premium couriers for all our orders. All our parcels are shipped with DPD or Royal Mail and are always sent Signed For to make sure it gets to the right person. 

If for any reason your parcel does arrived damaged, please get in touch, and we will be happy to get everything resolved for you. We are always on hand to help!

Details

Delivery is FREE on all orders over £50. In order to offer FREE delivery to UK customers, we use several premium couriers to ensure your delivery arrives safe.

Most large orders (over 2kg) ship using DPD or DHL courier and smaller orders (under 2kg) by Royal Mail signed for services.

The most appropriate courier will be chosen for the items ordered to ensure the quickest possible delivery.

We can offer very generous trade in offers across the majority of our product range. 

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If you have any question, please feel free to call us on 03435236169 or email support@kronosav.com