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Home > Noise Filters

No Noise Ultra X MK2

Product Code:  No Noise Ultra X mk2
Product Brand:  fidelity audio
Product Condition:  New
MPN:   nnux mk2
Options
£379.00  
NN Ultra X MK2 Mains Purifier

The Fidelty Audio NN Ultra X MK2 Mains Purifier has 6X more noise filtering than the NNU SE housed in a custom case with EMI / RFI shielding. The NN Ultra X MK2 Mains Purifier gives even greater mains noise reduction, allowing you hear an impressively natural sound, with much greater dynamics and bass extension. On top of this there is much less harsh sibilance. 

3 Options available

No Noise Ultra X MK2

Features
Common mode filter (Low Frequencies) - Yes
Common mode filter (High Frequencies) - No
Differential filter - Yes
HF Filtering large (32 pole) - No
HF Filtering small (5 pole) - No
EMI / RFI shield - Yes
Spike Clamping - No

No Noise Ultra X MK2 Pro -
added HF filter

Features
Common mode filter (Low Frequencies) - Yes
Common mode filter (High Frequencies) - No
Differential filter - Yes
HF Filtering large (32 pole) - No
HF Filtering small (5 pole) - Yes
EMI / RFI shield - Yes
Spike Clamping - No

No Noise Ultra X MK2 Reference -
added HF filter and Spike clamping

Features
Common mode filter (Low Frequencies) - Yes
Common mode filter (High Frequencies) - No
Differential filter - Yes
HF Filtering large (32 pole) - No
HF Filtering small (5 pole) - Yes
EMI / RFI shield - Yes
Spike Clamping - Yes


Information
  • Very natural and spacious sound with a much lower noise floor
  • Improved passive differential filter (Higher grade capacitors fitted)
  • Impressive common mode filter
  • HF filter fitted (High Frequency filter) - Pro & Reference only
  • Reduces High Frequency noise such as RFI - Pro & Reference only
  • Operates @ 5 different frequency ranges - Pro & Reference only
  • 2.5Ghz, 1Ghz , 500Mhz , 1Mhz & 100Khz operating region - Pro & Reference only
  • 10A IEC socket has been fitted to allow you to choose any type of mains lead you like.
  • Improved filter
  • Improved circuit layout
  • Case internally coated in RFI /EMI reduction material
  • High Quality Silver plated OFC cable fitted internally
  • Reduces much more mains noise than any plug
  • LED power indication
  • Ideal for larger Hi-Fi or Home Cinema systems with four or more components
  • Uses the latest technology (rapid response high current) clamping components - Reference only
  • L:220mm H:60mm W:172m
  • Earth Leakage – 2.71mA approx
  • DC resistance (LN) – 80 Kohm approx
  • Consumption – 1.6 watts approx
  • Weight – 1.00 Kg

Please note - Please allow 600 hours minimum burn in time.
 

Write an online review and share your thoughts with other shoppers!

Chris Dixon - .
5 Stars

Hi Brent, Thanks for the efficient processing of my upgrade. Going from a No Noise x to Pro fitted with HF filter made me wonder how much more I’d get from this upgrade (NNUX REF). I am now not far off full burn in time, again the journey varies with immediate improvement with clarity which towards the end, once burnt in the bass tightens up nicely with a fantastic soundstage. I think the HF filter adds to the emphasis of transients (leading edges). The pro is used also with balanced mains, which might sound like overkill but the Pro makes a superb difference in it’s own right. This upgrade is well worth the money. It is probably not too dissimilar to the New Pro reference, but I suspect that with the improved capacitors, Furutech socket and Kimber wiring in the Reference you will squeeze even more out of your system knowing Brent’s engineering skills!! Invest your money wisely, rather than get something less capable from other Mains Product companies. Thanks Brent Chris Dixon

Graham - .
5 Stars

Hi Brent, Just to let you know, I’ve had great results with the Fidelty Audio NN Ultra X Pro Mains Purifier (now called NNU X). I now have my full soundstage back and don’t have to sit up until 2am to hear my system at its best (though I probably will)! As well as fixing my wonky soundstage, I’ve also noticed how much tighter the bass sounds. All round a great improvement and probably the best value for money hi fi investment I’ve ever made! Many thanks, Graham

Tony F - Doncaster
5 Stars

With this newly upgraded filter there is a noticeable difference in the lack of background interference music is now less mushy and a lot clearer since it has had time to run in. Only after listening to this did I realise the difference that could be made by upgrading Thanks for all upgrades Brent Tony F

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