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Naim NAC 552 Reference Pre-Amp

$29,990.00

Our preamplifiers epitomise everything we believe in. Starting with our revolutionary NAC 12 back in 1974, Naim Audio preamplifiers have both rewritten the rules and set the standards for others to... Read more

Our preamplifiers epitomise everything we believe in. Starting with our revolutionary NAC 12 back in 1974, Naim Audio preamplifiers have both rewritten the rules and set the standards for others to follow. The NAC 552 is second only to our Statement NAC S1: its distinctive two-box configuration marks it out from the competition just as surely as its unfettered musicality reflects our core values. It's one of the best preamplifiers we’ve ever produced, and by extension, among the best in the world.



Features
  • Two-box configuration for optimum rejection of electromagnetic interference
  • Split-rail power supply featuring 800VA toroidal transformer, three smoothing capacitors and new Discrete Regulator (DR)
  • Fully suspended sub-chassis for superior isolation of sensitive circuit boards
  • AV bypass mode for simple connection to an existing AV system
  • Support for both DIN and RCA inputs to facilitate connection into a wider range of systems
  • Independent listen and record banks for maximum flexibility 
  • Assignable inputs for enhanced usability with a range of sources


Technology & Craft

Like every component in our flagship 500 Series range, the NAC 552 has been developed without compromise or constraint. Its two-box design, which houses the power supply components in a separate enclosure to better control electromagnetic interference, is classically Naim Audio. By contrast, the 552 PS DR power supply itself employs radically new thinking, including a new split-rail configuration that virtually eliminates power supply noise in the signal earth. 

The sound-critical electronics of the NAC 552 are mounted on a brass sub-chassis, which is fully suspended on coil springs at a frequency below the threshold of human hearing. This method of suspension maximises isolation, hence minimizing the effect of vibration on the highly sensitive electronic components. Carefully selected precision rotary potentiometers with precious metal wipers are used to preserve music integrity and ensure long-term stability. 

The NAC 552’s six inputs can be selected directly from either the front panel or the remote control. In addition to the usual DIN inputs, preferred for their superior earthing and impedance matching, the NAC 552 owner can configure two of the inputs for use with the more common RCA phono type connectors, enabling the use of alternative components with pre-owned interconnects. 

 

NAC 552
Audio Inputs
Other Inputs

Two inputs configurable for unity gain

Input Impedance

47kΩ

Analogue

7 x DIN, 2 x RCA

Input Sensitivity

75mV

Audio Outputs
Audio Outputs

1 x variable, 3 x fixed (DIN)

Line Outputs Variable (level)

775mV

Line Outputs Fixed (level)

75mV, 600Ω

Load Impedance

10kΩ (min.)

Output Impedance

<50Ω

Power Outputs

Naim phono amplifier

Connectivity
RS232

Optional (DE9 female)

Remote Input

RCA on rear (RC5)

Finish
Case

Brushed and black anodised

Front

Brushed and black anodised

Physical
Weight

12.9 kg

Dimensions (HxWxD)

87 x 432 x 314 mm

Power
Power Supply Options

552 PS

Supply Voltage

+/-12V, 24V, 32V

Supplied with
Supplied with

552 PS, Power-Line, R-Com and Burndy

Upgrades
Power Supply

552 PS

User Control
Front Panel

Volume control, balance control, sixteen button matrix 

Handheld

NARCOM-4 Remote Control

Remote Control

Infra Red (RC5)

552 PS
Audio Outputs
Power Outputs

7 x +/-12V, 1 x 12V, 2 x 24V, 1 x 31V

Finish
Case

Brushed and black anodised 

Front

Brushed and black anodised

Physical
Shipping Weight

17.5 kg

Shipping Dimensions

240 x 590 x 500 mm

Dimensions (HxWxD)

87 x 432 x 314 mm

Power
Mains Supply

100V, 115V, 230V; 50 or 60Hz

Supplied with
Supplied with

R-Com, Power-Line, SNAIC

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