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NAD C 3050 Stereophonic Amplifier

In the C 3050 Stereophonic Amplifier, NAD’s 50-year history of innovation meets the future of hi-fi. With its dual VU meters, push-button input selectors, walnut-finished vinyl-clad cabinet, and 1970s cursive-style branding, the C 3050 recalls the components that helped a generation of music-lovers discover the joys of great audio. With its 100-watt-per-channel HybridDigital UcD amplifier and Texas Instruments high-resolution differential DAC, the C 3050 delivers sound that will thrill today’s discerning listeners. And thanks to NAD’s MDC2 future-proofing technology, C 3050 owners can add leading-edge capabilities like BluOS high-resolution multi-room streaming and Dirac Live room correction.

Vintage Inspired

The C 3050’s industrial design was inspired by the NAD 3030 Stereophonic Amplifier, a 1970s classic. Vintage styling elements include dual illuminated VU meters, push-button controls for source selection, a walnut-finished vinyl-clad cabinet, and a dark grey front panel with the original New Acoustic Dimension logo in its 1970s cursive typeface.

Thoroughly Modern

Employing NAD’s renowned HybridDigital UcD amplifier technology, the C 3050 has a Full Disclosure Power rating of 100 watts per channel continuous and 135wpc instantaneous, for effortless reproduction of musical transients. Noise and distortion are virtually unmeasurable through the entire audioband. The result is neutral, inviting sound through any loudspeaker load—even at high listening levels. The C 3050 will reproduce the music you love with wonderful detail, immersive three-dimensionality, and thrilling dynamics.

The digital section employs Texas Instruments’ PCM5242 high-resolution differential DAC, a design known for its excellent dynamic performance and immunity to clock jitter. This enables the C 3050 to deliver amazing musicality, stunning clarity, and pinpoint soundstaging from all your digital sources.

Future Friendly

The C 3050 features the latest generation of NAD’s Modular Design Construction future-proofing technology, MDC2, which lets users add new functions and features by inserting an add-on module into the MDC2 slot on the back panel. MDC2 is an all-new design that enables two-way communications between the expansion module and host component. The optional MDC2 BluOS-D module delivers two highly desirable capabilities: BluOS high-resolution music streaming and Dirac Live room correction.

A World of Music

Featuring dual-band Wi-Fi and Gigabit Ethernet, the MDC2 BluOS-D connects you to almost all the music ever recorded through BluOS, the award-winning wireless music-management system. Using the intuitive BluOS Controller app, listeners can access more than 20 popular streaming services, including several that offer lossless and high-resolution audio, such as Amazon Music Ultra HD, Deezer, Qobuz, and Tidal. BluOS supports high-resolution audio to 24-bit/192kHz, and has MQA decoding and rendering capability, for studio-quality streaming. The MDC2 BluOS-D also lets you play music from your personal library and thousands of internet radio stations through the C 3050 Stereophonic Amplifier.

The MDC2 BluOS-D supports Spotify Connect and Tidal Connect, so you can cue up music in the apps for those services, then transfer playback to the C 3050. Also supported is Apple AirPlay 2, so you can stream audio to the MDC2 BluOS-D from any app on an iPhone, iPad, or Macintosh computer. You can also control playback by voice using Amazon Alexa or Apple Siri.

With the MDC2 BluOS-D installed, the C 3050 can be part of a whole-home music system with as many as 64 zones. You can have different music playing in different rooms, each with independent volume control, or play the same music in different rooms simultaneously. Thanks to MDC2’s bidirectional architecture, music from any source connected to the C 3050 can be streamed to BluOS-enabled components in other rooms.

Work the Room

The MDC2 BluOS-D lets C 3050 owners address the weakest link in most music systems—the listening environment. Connect the supplied microphone to the MDC2 BluOS-D’s USB port, and then follow instructions in the easy-to-use Dirac Live app. Dirac will play test tones through your speakers, analyze the results, and then create correction filters that counteract common acoustic problems like standing waves and unwanted reflections. The results are transformative. With Dirac Live***** enabled, you’ll experience vastly improved bass definition, greater tonal accuracy, and more precise imaging. With MDC2’s two-way communications capability, you’ll enjoy these benefits with all sources connected to the C 3050. You can create up to five Dirac settings for different listener positions or room conditions, for example whether the drapes are open or closed.

Well Connected

With its full suite of digital and analogue inputs, the C 3050 can accommodate all your source components. Vinyl fans will appreciate the C 3050’s ultra-low-noise MM phono stage. For movie and TV viewing, the C 3050 has an HDMI eARC port for connecting an HDTV, enabling the C 3050 to serve as the hub of a high-performance two- or 2.1-channel home-theatre setup. The C 3050 also has line-level analogue coaxial digital, and optical digital inputs.

Listeners can connect two pairs of speakers with Speaker A/B switching, as well as a subwoofer. Bidirectional aptX HD Bluetooth connectivity lets you stream audio to the C 3050 from a smart device and stream audio from the C 3050 to a pair of wireless headphones. The C 3050 also has a dedicated headphone amplifier, and pre-out/main-in jacks that let you connect a more powerful amplifier and use the C 3050 as a preamp only. The C 3050 includes an IR remote control and has installer-friendly features like 12V trigger and IR input.

Truly Timeless

The C 3050 is a fitting tribute to NAD’s 50-year history of amplifier innovation. With its vintage-inspired design, the NAD C 3050 Stereophonic Amplifier is a feast for the eyes. With its innovative technology, the C 3050 is a feast for the ears. The C 3050’s MDC2 port makes it easy to add compelling features like BluOS multi-room streaming and Dirac Live room correction—not to mention new capabilities that have yet to be developed.

Features & Details

Retro design elements include front-panel VU meters, push-button input controls, 1970s cursive branding, walnut-finished vinyl-clad cabinet, and dark grey front panel
HybridDigital UcD Amplifier
Full Disclosure Power: 100 watts continuous per channel into 8/4 ohms
Instantaneous Power: 135 watts per channel
Vanishingly low harmonic and intermodulation distortion
MDC2 port for expanded functionality
Optional MDC2 BluOS-D module adds BluOS high-resolution multi-room music streaming and Dirac Live* room correction
High-performance 32-bit/384kHz TI PCM5242 differential DAC
Ultra-low-noise MM phono stage with infrasonic filtering circuitry
One optical, one coaxial digital input
HDMI-eARC input
One set of line-level analogue inputs with low-noise buffer amplifiers
Speaker A/Speaker B outputs
Subwoofer output
Dedicated headphone amplifier
Bidirectional Qualcomm aptX HD Bluetooth
IR remote control
CI-Friendly – 12V Trigger out, IR in
*500Hz limited version of Dirac Live included. Full bandwidth license can be purchased from Dirac.com

NAD C 3050 Rear

LINE INPUT, PRE-OUT
THD (20 Hz – 20 kHz)	<0.005 % at 2V out
Signal-to-Noise Ratio	>95 dB (IHF; A-weighted, ref. 500 mV out, unity gain)
Channel separation	>100 dB (1 kHz) >90 dB (10 kHz)
Input impedance (R and C)	28 kohms + 360 pF
Maximum input signal	>4.5 Vrms (ref. 0.1 % THD)
Output impedance	440 ohms
Input sensitivity	270 mV (ref. 500 mV out, Volume maximum)
Frequency response	±0.3 dB (20 Hz – 20 kHz)
Maximum voltage output -IHF load	>2 V (ref. 0.1 % THD)
PHONO INPUT, PRE-OUT
THD (20 Hz – 20 kHz)	<0.03% at 2 V out
Signal-to-Noise Ratio	>79 dB (200 ohms source; A-weighted, ref. 500 mV out)
Input Impedance (R and C)	46 kohms/100 pF
Input sensitivity	5.5 mV (ref. 500 mV out, Volume maximum)
Frequency response	±0.3 dB (20 Hz – 20 kHz)
Maximum input signal at 1kHz	>80 mVrms (ref. 0.1 % THD)
LINE INPUT, HEADPHONE OUT
THD (20 Hz – 20 kHz)	<0.005% at 1V out
Signal-to-Noise Ratio	>96 dB (32 ohms loads; A-WTD, ref. 2 V out, unity gain
Frequency response	±0.3 dB (20 Hz – 20 kHz)
Channel separation	>60 dB at 1kHz
Output impedance	Output impedance
BluOS AUDIO
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
BluOS SUPPORTED SERVICES
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)
USER INTERFACE
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
MAIN IN, SPEAKER OUT
Continuous output power into 8 ohms and 4 ohms	100W (ref. 20 Hz-20 kHz at rated THD, both channels driven)
THD (20 Hz – 20 kHz)	<0.03% (250 mW to 100 W, 8 ohms and 4 ohms)
Signal-to-Noise Ratio	>95dB (A-weighted, 500 mV input, ref. 1 W out in 8 ohms)
Clipping power	>115 W (at 1 kHz 0.1 % THD)
IHF dynamic power	8 ohms: 180 W 4 ohms: 250W 2 ohms: 300 W
Peak output current	>20A (in 1 ohm, 1 ms)
Frequency response	±0.3 dB (20 Hz – 20 kHz) >75dB (1 kHz) >70dB (10 kHz)
Input sensitivity (for 100 W in 8 ohms)	540 mV Digital: -6dBFS
Power consumption – at Auto Standby ON and Network Standby OFF	0.5 W*
Power consumption – at Auto Standby ON and Network Standby ON	2.0 W**
Power consumption – OFF mode (Power switched OFF)	0.1 W
Frequency band	2.402G- 2.480G
DIMENSION AND WEIGHT
Gross dimensions (W x H x D) ****	450 x 110 x 355mm 17 1/4 x 4 3/8 x 14 inches
Net weight	10 kg (22 lbs)
Shipping weight	12.6 kg (27.8 lbs)