The NAC 552 is by some distance the most advanced Naim preamplifier ever and has some claim, therefore, to being the best preamplifier, period. The introduction of the NAP 500 in 2000 brought with it a new level of technical and musical performance. A Naim design project group began reviewing the existing preamplifier designs exploring possibilities for major design improvement over the then existing reference preamplifier: the Naim NAC 52.

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Audio Inputs

Analogue Inputs: 7 x DIN, 2 x RCA

Input Sensitivity: 75mV

Input Impedance: 47kΩ

Other Iputs: Two inputs configurable for unity gain

Audio Outputs

Analogue Outputs: 1 x variable, 3 x fixed (DIN)

Line Outputs Fixed (level): 75mV, 600Ω

Line Outputs Variable (level): 775mV

Output Impedance: <50Ω

Minimum Load Impedance: 10kΩ

Power Outputs: Naim phono amplifier

Connectivity

Infra Red: RC5

Remote Input: RCA on rear (RC5)