Naim Audio Supercap DR power supply.

Naim Audio Supercap DR power supply.


What we Say:

The Naim Supercap DR is top Naim power supply in the Classic range. The Naim  philosophy is to spend the money on things that give the best performance. It is this approach that gives the Naim Supercap DR such a high level of performance.

Inside the Naim Supercap DR power supply there is a lot going on. Naim  use a massive toroidal transformer which is more in line with what you expect in a large power amplifier. They do this because they have low stray magnetic field but also simply because it sounds better.

The transformer has multiple windings that split the supply for analogue and digital circuits. The analogue section is regulated further using 14 discreet regulator circuits. Each one powers each section of the NAC 252 individually maximising the performance.  Because they do this they can ensure each element of the NAC 252 functions at its’ best. No other company takes such an approach to power supply design.

This gives the Naim range such a distinctive dynamic sound. The Naim Supercap DR is the top model in the Naim Classic power supply range. It can also power other components in the range like the Snaxo, SuperLine and the HeadLine.

All Naim products are hand made in their facility in Salisbury.

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What they say:


As iconic as it is widely acclaimed, the SuperCap DR is a Naim Audio classic, capable of powering every preamplifier in our range except for the NAC-N 172 XS and our flagship, the NAC 552. Its substantial toroidal transformer and high-quality smoothing capacitors combine to ensure improved timing, clarity and dynamic range from your favourite music.

Upgraded with our new DR voltage regulator, this timeless component remains one of the most well know and oft-employed power supplies in our range, and for good reason.

  • 13 x 24V outputs, 2 x 12V output
  • All-new Discrete Regulator (DR) configuration, delivering Naim Audio’s best-ever standards of stable, low-noise power
  • Brushed, black-anodised aluminium chassis
Technology & Craft

Each of the multiple power outputs on the SuperCap DR uses Naim Audio’s specially designed discrete regulators for optimum performance. The SuperCap DR can be used to power all of the Naim Audio preamplifier (except the NAC 552 and NAC-N 172 XS), Superline phono stage and active crossovers, and is the only choice for supplying power to the NAC 252 preamplifier.

Its anti-vibration, resonance-controlling feet complement the elegant new cast and extruded anti-magnetic chassis to protect the sensitive internal components from resonance and microphonic vibration.

The SuperCap DR was updated in 2012 as a result of a two year project to develop a new discrete regulator (DR) for Naim Audio power supplies. The new Naim Audio DR now features, alongside improvements to the wire routing, mechanical decoupling and internal layout. These enhancements, developed through intensive listening tests, significantly raise performance and make music even more communicative and enjoyable.

A technical white paper on the Naim Audio Discrete Regulator technology is available here.