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Naim Audio NAC 252

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The NAC 252 descends from the NAC 52 - still one of the finest preamplifiers ever manufactured. It brings both control and connectivity advances over the NAC 52, and a significantly enhanced construction, aesthetic and finish. Its performance, too, is enhanced with the benefit of a decade of R&D bringing yet more speed, detail, transparency and music.

The Naim NAC 252 combines stunningly musical and accurate hi-fi reproduction with extensive flexibility to ensure it will remain at the heart of top quality systems for many years to come.

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If you have any equiries feel free to call us on: +44 (0)1233 624441

Naim Audio NAC 252 front

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Full Description


Excludes Naim SuperCap Power Supply


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.

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.


    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


Naim Audio Pre-Amplifier Reference Manual


Naim Audio Connections Guide (2015 version)




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Audio Inputs
Analogue Input

4 x DIN, 2 x DIN, RCA

Input Sensitivity


Input Impedance


Other Inputs

AV input configurable for unity gain

Audio Outputs

1 x variable, 3 x fixed (DIN)

Line Outputs Fixed (level)

75mV, 600Ω

Line Outputs Variable (level)


Output Impedance


Load Impedance

10kΩ (min.)

Power Outputs

Naim phono amplifier

Remote Control

Infra Red (RC5)

Remote Input

RCA on rear (RC5)


Optional (DE9 female)

User Control
Front Panel

Volume control, balance control, sixteen button matrix


NARCOM-4 Remote Control

Supply Voltage

12V, 24V

Power Supply Options


Power Supply


Dimensions (HxWxD)

87 x 432 x 314 mm


7.0 kg

Supplied with

NARCOM-4 Remote Control, Burndy, SNAIC


Brushed and black anodised


Black powder coated