10/10 Condition in box, this is a seriously high quality DAC, every element of this dac is high-end from a cast iron chassis, full featured remote control to the HDMI input, (yes a functional HDMI input, and there is two of them with pass-through)
Unit can be used as a fully balanced pre-amp with low impedance output to suit any power amp.
Grab a bargain at $870. RRP $2000+
Nad Masters Series’ one of their finest components to date, the M51 Direct Digital™ DAC uses the same high precision digital processing as our groundbreaking M2 Direct Digital Amplifier, but in a new format that easily interfaces with high performance analogue components, including our M22 Stereo Power Amplifier. With features such as extremely low noise, low distortion, wide dynamic range, superb linearity and exceptionally low digital jitter, the M51 will help bring your home theatre system to life. With the ability to accept PCM data rates up to 24 bit/192kHz, the M51 makes it perfect for listening to high resolution downloads, allowing you to hear your favourite songs in the best audio quality possible. Possessing two HDMI inputs and one output with video pass through, the M51 seamlessly becomes the heart of a video 2.0 system, further displaying the M51’s remarkable versatility and innovation.
Rated Distortion (THD+N with AES 17 filter) <0.0005% (0dBFS); <0.002% (ref. 1kHz - 60dBFS)
IMD Distortion 0.0001%
Signal/Noise Ratio <-123dB (ref. 0dBFS 2V out)
Channel Separation >-115dB (ref. 0dBFS Volume -1dB)
Sample Rate 32kHz to 192kHz (USB and digital S/PDIF)
Frequency Response ±0.5dB (ref. 20Hz - 96kHz @ 192kHz sample rate)
Output Level 2V (ref. input 0dBFS)
XLR - AES/EBU
SPDIF Coaxial x 1
Optical x 1
HDMI x 2 (stereo only)
USB Class 2 Audio: asynchronous 24/192 support
Trigger In 12V ±20%
HDMI Video Out (3D video pass through)
Trigger Out 12V ±20%
AC Supply 100-240V AC ~ 50/60Hz
Standby Power <0.5W
Idle Power 16W
Unit Dimension (WxHxD) - Gross* 435 x 78 x 296mm
17 1/8 x 3 1/8 x 11 11/16 inches**
Net Weight 5.8kg (12.8lb)
Shipping Weight 9.8kg (21.6lb)
Finish Masters Silver or Black
* Gross dimensions include feet, extended buttons and rear panel terminals.
** Non-metric measurements are approximate. NAD Electronics will not assume any liability for errors being made by retailers, custom installers,
cabinet makers, or other end users based on information contained in this document.
Note: Installers should allow a minimum clearance of 55mm for wire/cable management