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Mini Purifier UK SuperClamp

5 out of 5
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Purifying the power to your system

If you want really pure power for your Hi-Fi system, you should consider one or more of our powerful mains purifiers. Mini Purifiers are suitable for smaller systems and larger systems alike; conveniently mounted in a compact plug top, simply plug one in as close to your system as you can (your power extension is ideal) to create a 'quiet area' around your system.

They are effective even if you are using our Silencers and SuperClamps.

Reducing voltage spikes

In addition to being an effective mains conditioner, the Mini Purifier incorporates our SuperClamp spike and surge protection to help reduce the effect of voltage spikes. They 'grab' the spike and reduce its intensity. In our opinion, high voltage spikes can raise the background noise level in amplification circuits which is why it makes good sense to try and reduce them.

To maintain their effectiveness, we recommend replacing SuperClamp components every five years. Any product with a SuperClamp can be returned to us for factory replacement of the parts at lower cost than buying a new product.

The Technology

The Mini Purifier has been designed to efficiently remove degrading mains noise. It works passively, meaning that they have none of the drawbacks of some other mains filters – drawbacks such as loss of musicality and reduced dynamic range. It is a broadband filter, effective at filtering over a wide frequency range. For the techies amongst you, it is a 'passive differential and common mode inductorless non-resonant harmonic filter'.

Because The Mini Purifier is a passive filter, nothing needs to be connected to it for it to work. It simply needs to be plugged in with the socket switched on.

Money Back Guarantee

Don't forget! We are so confident in the performance of this product that it is covered by our 60 Day Home Trial with Money Back Guarantee. Buy the product and if you're not completely satisfied, you can return it within 2 months for a refund. For full details click here.


  • Compact, effective mains filter, suitable for small or large Hi-Fi or Home Cinema systems
  • Integral SuperClamp provides protection from spikes and surges
  • Dimensions: H:104mm W:60mm D:58mm
  • Review
    In their September 2009 issue, Hi-Fi Choice magazine agreed that the Mini Purifier really does make a significant improvement in mains noise reduction. They found “remarkably consistent” results across the wide range of kit they tested the Mini Purifier on, noting that sounds were “generally clearer and better defined” and, more importantly, rhythm is “more precise and convincing”.

    For anyone wondering whether the difference achieved by the Mini Purifier will add anything more than good quality cables already do, they state that the “differences are qualitatively different from cable changes”. “The sound seems to acquire an extra delicacy and refinement, as if some rather rough-sounding distortion has been removed”.

    In addition to mains noise, The Mini Purifier also deals with spikes and surges on the mains via its internal Superclamp (which can be upgraded to the Megaclamp for even more protection). HI-FI CHOICE notes that this “provides very rapid reaction to over-voltage spikes on the mains, adding to the general high-frequency filtering provided by the capacitors also included”.

    Overall, they were very impressed with the results, summing up by saying that "just plugging a little box in near your hi-fi may sound like magic but the theory holds water and the results speak for themselves".

    Magazine: Hi-Fi Choice
    Issue: September 2009
    Verdict: 4 Stars

    Customer Reviews
    Overall product rating 5 / 5
    5 / 5

    reviewed by Keith
    19 Jul 2016
    Yes, I recommend this product.
    "Surprisingly Effective"
    I have always been sceptical about how much difference a product like this would make but finally decided to try one. After plugging in the Mini-Purifier, I immediately noticed an improvement in the dynamics and clarity of the music which surprised me as I thought that I would probably have to alternate several times between it being connected and unplugged to notice any difference at all.
    5 / 5

    reviewed by Peter H
    20 Jan 2016
    Yes, I recommend this product.
    "A Very Effective 'Tweak'"
    Bought as an upgrade to an elderly 'Purifier', which has been proving its worth for over a decade. Significant improvements 'from the off' with my entire system becoming more revealing! Subjectively, more warmth and spatial separation. On some recordings, there was a shift in balance between instruments, which I've put down to the extra detail which is now available. A/B testing subsequently confirmed that the above-mentioned are all 'perceptually real' changes. The few selected discs I always use for testing (rather than just listening!) are all well-recorded and now just sound 'better'.
    Equipment: Arcam/Audiolab/KEF