NAD M33 BluOS Streaming DAC Amplifier


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Overview

In its simplest form, the M33 BluOS™ enabled DAC/amplifier is an ultra-high-performance streaming amplifier with superb audiophile sound. As a BluOS enabled component, the M33 can be combined with other players in a BluOS ecosystem of wirelessly networked music players throughout the home for an outstanding whole-home audio system. With the employment of the new Purifi Eigentakt™ Hybrid Digital amplifier technology, the M33 follows NAD’s long-standing tradition in identifying and developing cutting-edge amplification technology. With a minimum of 200W per channel on tap, the result is lifelike performance, exemplified by ultra-low distortion and noise.

Features

  • BluOS Streaming DAC Amplifier
  • HybridDigital Purifi Eigentakt™ Amplifier Technology
  • Continuous Power: 200W into 8/4 Ohms
  • 32-BIT/384kHz ESS Sabre DAC
  • Dirac Live Room LE Correction*
  • Colour LCD touch display
  • BluOS multi-room Integration
  • 2 x MDC Slots for Future Expansion
  • Wireless control with AirPlay 2 and aptX HD Bluetooth Integration
  • Comprehensive digital and analog connectivity including HDMI eARC
  • Integrates seamlessly with leading smarthome control systems
  • MDC (Modular Design Construction) offers ability to upgrade to future digital formats as they become available. Two MDC slots provided.
  • CI friendly- RS232 Serial Control Port. Trigger In/Out.
  • IR In with learning function

*Full Dirac Live and Bass Control upgrades can be purchased through the Dirac Live software.

Specifications

Rated output power (ref. 20 Hz-20 kHz at rated THD, both channels driven)

>200 W into 8 ohms

>380 W into 4 ohms

Rated output power, Bridge mode (ref. 20 Hz – 20 kHz at rated THD)

>700 W into 8 ohms

Input sensitivity

865 mV (ref. 200W 8 ohms, Volume maximum)

THD (20 Hz – 20 kHz)

<0.003 % (1W to 200 W, 8 ohms and 4 ohms)

Signal-to-Noise ratio

>98 dB (A-weighted, ref. 1 W out in 8 ohms)

>120 dB (A-weighted, ref. 200 W out in 8 ohms)

Clipping power

>210 W (0.1 % THD 1 kHz 8 ohms)

IHF dynamic power

8 ohms: 260 W

4 ohms: 520 W

Peak output current

≥25 A (in 1 ohm, 1 ms)

Damping factor

>800 (ref. 8 ohms, 20 Hz to 6.5 kHz)

Frequency response

±0.2 dB (20 Hz -20 kHz)

-3 dB at 60 kHz

Input Impedance (r and c)

 47kΩ/180pF

Input Sensitivity 280mV (ref. 500mV out, Volume Maximum)
Maximum input level 20Hz-20Khz 2 Vrms/8 Vrms (low sensitivity mode)
Tone Controls

Treble: ±10dB at 10kHz

Bass: ±10dB at 100Hz

Max Output Signal 4Vrms (ref. 0.1% THD)
PREOUT Maximum output level 3.9 Vrms (ref. 0.1% THD)
PREOUT Signal-to-Noise ratio >120 dB (A-weighted, ref. 2 V out)
PREOUT Output impedance 100 ohms
SUBOUT Maximum output level 1.1 Vrms (ref. 0.1 % THD 100Hz)
SUBOUT Signal-to-Noise ratio >102 dB (20 Hz-20 kHz, ref. 1V out)
SUBOUT THD+N <0.005 % (refer 1.1 V 20 Hz-200 Hz)
SUBOUT Output impedance 680 ohms
PHONO Input sensitivity

MM: 1.2 mV


MC: 100 µV

PHONO Input impedance (R and C)

MM: 56 kohms/100 pF

MC: 100 ohms/280 pF

PHONO Signal to noise ratio (ref. 2 V Preout A-weighted)

MM: >92 dB

MC: >76 dB

PHONO THD+N (ref 2V Preout 1kHz)

MM: <0.003 %

MC: <0.02 %

RIAA response accuracy MM/MC
±0.2 dB 20 Hz -20 kHz
HEADPHONES Output Impedance
2.2ohms
HEADPHONES Output Power
>100 mW/32 ohms
Supported audio file format*
MP3, AAC, WMA, OGG, WMA-L, ALAC, OPUS
Supported high- resolution audio file format* FLAC, MQA, WAV, AIFF
Sampling rate up to 192 kHz
Bit depths 16 – 24
Network connectivity Gigabit Ethernet RJ45, Wi-Fi 5
Supported network file share protocol Server Message Block (SMB)
USB 1 x Type-A port for connection to USB memory stick (FAT32 or NTFS formatted) and supported peripherals
Bluetooth quality aptX HD 5.0
Bluetooth connectivity Two-Way (Receive and Headphone modes)
Supported operating system Music playback from network shares on the following desktop operating systems: Microsoft Windows XP, 2000, Vista, 7, 8 to current Windows Operating Systems and macOS versions
Mobile Application Free BluOS Controller App available for download from the respective App stores of Apple iOS devices (iPad, iPhone and iPod), Android devices, Kindle Fire and Windows or macOS desktops
Front panel 7-inch full colour touch screen
Remote control HTRM 2 remote control
Power Consumption

Auto Standby ON <0.5W

Idle Power <40W

Dimensions WxHxD ** 435 x 133 x 396 mm (17 1/8 x 5 1/4 x 15 5/8”)
Net Weight 9.7kg (21.4lb)
Shipping Weight 18.4kg (40.6 lb)

* – Supported audio file format, cloud services and free internet radio are subject to change without notice.
** – Gross dimension includes feet and extended rear panel terminals


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