M12 Digital Preamp DAC - Summit Hi-Fi
M12 Digital Preamp DAC - Summit Hi-Fi M12 Digital Preamp DAC - Summit Hi-Fi

Built for the future, the M12 is neither a typical DAC nor a typical preamplifier. In fact, the M12 is an ultra-high resolution digital audio hub that boasts a full roster of audiophile-grade features. In addition, Modular Design Construction allows new features and functionality to be added now or in the future. These features leverage some of the most advanced digital audio thinking to date, resulting in a truly outstanding product. NAD’s DirectDigital™ processing, as well as a fully balanced Class-A buffer stage, provide amazing accuracy and transparency with a completely silent background. The M12 interfaces with all digital or analogue musical sources, and renders them perfectly to power amplifiers and active loudspeakers with its balanced or single-ended outputs. By adding the M12 to your system, you will finally get to hear your music in the best audio quality possible from every imaginable source, from vinyl to High Res digital.


Input Impedance                               56 kilohm + 220pF

Input Sensitivity                                40mV (ref. 500mV out)

Maximum Input Signal                      >8Vrms

Signal/Noise Ratio, A-weighted        >90dB (ref. 500mV in 500mV out, volume set to unity gain

                                                          >80dB (ref. 2V out, Volume maximum)

Channel Separation                          >70dB (ref. 1kHz/10kHz)

Frequency Response                         ±0.3dB (ref. 20Hz-20kHz, Tone Controls – On)

                                                          ±0.3dB (ref. 20Hz-20kHz, Tone Controls – Off)

Frequency Response (subwoofer out)   10-200Hz (ref. -3dB)


Maximum Output Level                    >8Vrms into 600 Ohms

THD (CCIF IMD, DIM 100)                        >0.005% (ref. 20Hz-20kHz, 2V out)

Balanced                                          >2Vrms

Standby Mode                                 <0.5W


Treble                                                ±10dB at 10kHz (ref. 2V in 2V out)

Bass                                                  ±10dB at 100Hz (ref. 2V in 2V out)


Digital USB Front/Digital USB Back (USB Type A)   MP3/WMA:48kHz

                                                           FLAC: 24bit/48kHz

Computer (USB Type B)                  24 bit/192kHz PCM content from PC or Mac

Digital Input (Coaxial, Optical, AES/EBU)

Input Impedance                              75 Ohms (coaxial)

                                                           110 Ohms (AES/EBU)

Sample Rate                                       32kHz to 192kHz

Frequency Response                          ±0.5dB (ref. 20Hz-96kHz @ 192kHz)

Channel Separation                            >75dB (ref. 1/3 rated power, 10kHz 4 Ohms)


 Gross Unit Dimensions* (WxHxD)  435 x 133 x 383mm (17 1/8 x 5 1/4 x 15 1/8″)

Net Weight                                         8.1kg (17.9lb)

Shipping Weight                               14.5kg (32lb)

 *Gross dimensions include feet, extended buttons and rear panel terminals


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