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NAIM NAC 552

NAIM NAC 552

Beställningsvara (2-6 arbetsdagar för varor som finns i lager hos leverantören.)
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Produktbeskrivning

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 power supply itself employs radically new thinking, including a new split-rail configuration that almost entirely 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.




Six inputs on the NAC 552 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.



Specifikation

Audio Inputs

Analogue
7 x DIN, 2 x RCA
Input Sensitivity
75mV
Input Impedance
47kΩ
Other Inputs
Two inputs configurable for unity gain
Audio Outputs
Audio Outputs
1 x variable, 3 x fixed (DIN)
Line Outputs Fixed (level)
75mV, 600Ω
Line Outputs Variable (level)
775mV
Output Impedance
<50Ω

Load Impedance
10kΩ (min.)
Power Outputs
Naim phono amplifier
Connectivity
Remote Control
Infra Red (RC5)
RS232
Optional (DE9 female)
Remote Input
RCA on rear (RC5)
User Control
Front Panel
Volume control, balance control, sixteen button matrix
Handheld
NARCOM-4 Remote Control
Power
Supply Voltage
+/-12V, 24V, 32V
Power Supply Options
552 PS
Upgrades
Power Supply
552 PS
Physical
Dimensions (HxWxD)
87 x 432 x 314 mm
Weight
12.9 kg
Supplied with
552 PS, Power-Line, R-Com and Burndy
Finish
Front
Brushed and black anodised
Case
Brushed and black anodised

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