Naim Audio
Naim NAC 552
Best reference preamplifier for uncompromising audiophiles seeking ultimate sonic purity.
The Naim NAC 552 Reference Preamplifier, a pinnacle of audio engineering, builds upon Naim's legacy of setting industry standards. This exceptional preamplifier, second only to the Statement NAC S1, features a distinctive two-box configuration designed to optimize electromagnetic interference rejection. Its advanced split-rail power supply incorporates a substantial 800VA toroidal transformer and new Discrete Regulator (DR) technology for unparalleled noise reduction. The sound-critical electronics are mounted on a fully suspended brass sub-chassis, ensuring superior isolation from vibrations. With flexible input options, including both DIN and RCA, and independent listen/record banks, the NAC 552 offers remarkable usability and unfettered musicality.
$31499.00
Owner Satisfaction
4.8
/ 5
Category Rank
5
/ 235
#5 in Signal Processors
Price vs Category Average
+114%
Above average
Analogue Inputs
72
/ x DIN, x RCA
Who it's for
- Audiophiles seeking an immersive and rhythmic listening experience
- Listeners demanding absolute clarity and hidden musical nuances
- Collectors prioritizing long-term reliability and heirloom-grade craftsmanship
Who should skip it
- Budget-conscious buyers seeking high-end performance without extreme pricing
- System builders wanting flexibility to mix and match brands
- Minimalists requiring compact equipment and simple cable management
Performance breakdown
Signal Purity
Discrete regulator technology ensures an exceptionally clean and noise-free audio path.
Vibration Isolation
Suspended brass sub-chassis effectively shields sensitive electronics from mechanical interference.
Power Delivery
Massive 800VA transformer provides rock-solid stability for demanding musical transients.
System Compatibility
Flexible DIN and RCA inputs accommodate a wide range of source components.
Build Integrity
Precision engineering and premium materials reflect a standard of uncompromising craftsmanship.
Operational Flexibility
Independent listen and record banks offer sophisticated control for complex setups.
Key Specs
Analogue Inputs
7 x DIN, 2 x RCA
Input Sensitivity
75mV
Input Impedance
47kΩ
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.)
Features
- Two-box configuration for optimum rejection of electromagnetic interference
- Split-rail power supply featuring 800VA toroidal transformer 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 for wider system compatibility
- Independent listen and record banks for maximum flexibility
- Assignable inputs for enhanced usability with a range of sources
- Precision rotary potentiometers with precious metal wipers for long-term stability
What customers say
Owners consistently praise the Naim NAC 552 for its extraordinary sound quality and meticulous build. Listeners describe a profound musicality and transparency that elevates their entire audio system, revealing intricate details and dynamic range with remarkable clarity. The design, while understated, exudes a premium feel and robust reliability, reflecting Naim Audio's commitment to enduring craftsmanship. This preamplifier is frequently considered a pinnacle component, delivering an immersive and emotionally engaging listening experience that justifies its esteemed position in high fidelity audio.
Know before you buy
The two-box design separates the sensitive audio circuitry from the power supply. This physical isolation is critical for minimizing electromagnetic interference, ensuring the cleanest possible signal path for your music.
Yes, the NAC 552 features seven DIN inputs and two RCA inputs. This provides excellent flexibility for integrating a wide range of source components into your system.
The sound-critical electronics are mounted on a fully suspended brass sub-chassis. This design effectively isolates the delicate internal components from mechanical vibrations and microphonics that could otherwise color the sound.
Yes, it features an AV bypass mode, which allows you to integrate the preamplifier into an existing home cinema setup. This lets you use your high-quality stereo speakers for both music and movies without complex re-cabling.
These banks allow you to listen to one source while simultaneously sending a different signal to a recording device. It offers maximum flexibility for users who still utilize analog recording equipment or need to route audio to multiple zones.
The unit comes complete with the 552 PS power supply, a Power-Line mains cable, the R-Com remote control, and the necessary Burndy interconnect cables to link the two units.
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