Naim NAC 252 stereo line level Pre-amplifier

Naim NAC 252 stereo line level pre-amplifier.


What we Say:


The Naim NAC 252 (Naim Audio Control) is the top Pre-amplifier in the classic series. The NAC 252 features 6 line level inputs (2 with Din and RCA). One input  can power a Naim phono stage such as the Stageline. Because of this it is easy to add a turntable. Where the NAC 202 just has one row of buttons the 252 has separate rows for listen and record.  Because of this the user has more more flexibility. This minimalist approach is typical Naim philosophy, spend the money on things that give the best performance at the price point. It is this approach that gives the Naim NAC 252  2 such a high level of performance for the money.


Moving from an Integrated amplifier to a separate Pre and Power amplifier give big performance advantages. The delicate incoming signal no longer has to live in the same space as the large power supply. The quieter environment preserves the integrity of the incoming signal. The NAC 252 must be used with Supercap DR external supply. Inside the 252 the main feature is a large circuit board.  Class leading performance is achieved-  because Careful attention is paid to circuit layout, grounding and mechanical decoupling. Naim use Alps motorised potentiometers for volume and balance controls therefore preserving the delicate signal . Each section of the pre-amplifier is connected to an individual power supply rail within the Supercap DR. No other company makes amplifiers in quite the same way Naim do. This attention to detail is what gives the Naim amplifier range such a distinctive dynamic sound.

Upgrade path:

The NAC 252 is the top step in the Classic series and the next upgrade step after this is the NAC 552 DR.

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What they say:


Like many of our products, the NAC 252 stems from good stock: it descends directly from the NAC 52, still one of the finest preamplifiers ever made. Capable of exceptional clarity, its power supply components reside in a separate enclosure: the SuperCap power supply unit. This ensures optimum isolation from electromagnetic interference and provides each of the ten audio circuits with an independent, fully regulated supply voltage. Additionally, separate power supplies for the digital control and switching circuitry further isolate the audio circuitry from noise. It’s this attention to detail that makes the NAC 252 so special – that, and our determination to let nothing stand in the way of your musical enjoyment.

  • Support for both DIN and RCA inputs to facilitate connection into a wider range of systems
  • SuperCap power supply (with fourteen independently regulated voltages) required
  • Totally separate regulated supplies for digital control and switching circuitry
  • Precision rotary potentiometers with precious metal wipers
  • AV bypass mode for simple connection to an existing AV system
  • Powered input for use with StageLine or SuperLine phono stages
Technology & Craft

Many designs were explored for the NAC 252 and a complete review of the circuit topology and components took place in accordance with the developments pioneered in preamplifiers such as the NAC52. Hundreds of hours were spent listening to various designs, ensuring that the harmony between music and technology was always maintained.

Ten independently regulated power supplies are fed from the matching SuperCap power supply. Totally separate regulated supplies for the digital control and switching ensure no noise is generated in the audio circuits.

A Naim Audio Retailer will recommend the right system for you, however you may choose to partner the NAP 252 with the following as a start:

  • Utopia III
  • SuperCap DR
  • NDX
  • NAP 300 DR