NAD C 399 Hybrid Digital DAC Amplifier

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NAD


Type: Amplifiers

NAD C 399 Hybrid Digital DAC Amplifier

The C 399 also the first amplifier to incorporate the latest generation of NAD’s Modular Design Construction (MDC) technology: MDC2. MDC2 lets users add optional modules that provide functions such as BluOS Hi-Res multi-room music streaming, Dirac Live room correction and more.

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Pure Power

Trickled down from NAD’s Masters Series, the C 399’s HybridDigital nCore amplifier is highly efficient and remarkably powerful. It can deliver 180 Watts per channel continuous power, and 250 Watts per channel instantaneous power, allowing the C 399 to produce musical transients effortlessly. The HybridDigital nCore design is renowned for its wide bandwidth, flat frequency response, clean clipping behaviour with instant recovery, high current capability, and stability into demanding low-impedance speaker loads. Noise and distortion are vanishingly low under all operating conditions. The minute levels of harmonic distortion are dominated by sonically benign second and third harmonics. These refinements enable the C 399 to produce neutral, distortionfree sound even at very high listening levels, with thrilling dynamics, exquisite detail, and superb portrayal of space.

Future Perfect

In 2006, NAD introduced Modular Design Construction (MDC), an innovative architecture for adding new functions to existing components. Many NAD products have rear-panel slots for MDC modules that perform UHD (4K) support, HDMI switching, BluOS multi-room music streaming, Dolby Atmos surround processing, and other functions.

The C 399 is the first product to feature NAD’s new MDC2 architecture. By enabling two-way communications between the module and host component, MDC2 allows for adding desirable features.

Equipped with Wi-Fi and Ethernet, the optional MDC2 BluOS-D module lets listeners play music from their favorite streaming services through the C 399, using the acclaimed BluOS Controller app for Android, iOS, macOS, and Windows. Like all BluOS Enabled products, the MDC2 BluOS-D has integrated support for dozens of streaming services; and supports Apple AirPlay 2, Spotify Connect, and Tidal Connect. Two-way communications also enable the MDC2 BluOS-D to stream music from local sources connected to the C 399 to BluOS Enabled components in other rooms.

Well Connected

The C 399 has two optical and two coaxial digital inputs, plus an HDMI-eARC port for playing audio from a connected TV, while controlling amplifier output with the TV’s remote control. Analogue fans are well served with two pairs of RCA line-level inputs, plus a MM phono stage with ultra-precise RIAA equalization, extremely low noise, and high overload margins. The phono preamp also features an innovative circuit that suppresses the infrasonic noise present on all LPs, without compromising bass response. The line inputs have low-noise buffer amplifiers to prevent sonic degradation.

In addition to two sets of speaker outputs, the C 399 has preamp output jacks and dual subwoofer outputs. Two-way aptX HD Bluetooth allows 24-bit streaming from mobile devices, and high-quality output to Bluetooth headphones. Also built-in is a dedicated headphone amplifier with low output impedance and high output voltage capability, enabling the C 399 to drive demanding highimpedance studio monitor headphones.

Features

  • Hybrid Digital nCore Amplifier
  • Continuous Power: 180 Watts per channel into 8/4 ohms
  • Instantaneous Power: 250 Watts per channel
  • Vanishingly low harmonic and intermodulation distortion
  • Dual MDC2 Slots for expanded functionality
  • Optional MDC2 BluOS-D module adds BluOS multi-room streaming and Dirac Live room correction
  • Jitter-free 32-bit/384kHz ESS Sabre DAC
  • Ultra-low-noise MM phono stage with infrasonic filtering circuitry
  • Two optical, two coaxial digital inputs
  • HDMI-eARC inpuT
  • Two pairs of line-level analogue inputs with low-noise buffer amplifiers
  • Speaker A/Speaker B outputs
  • Two-way aptX HD Bluetooth
  • Dual subwoofer outputs
  • Dedicated headphone amplifieR
  • IR remote
  • 12V Trigger in/out
  • IR in/out
  • RS-232 Serial port for control integration with home automation systems
  • Seamless integration with Control4, Crestron, RTI, URC, Lutron, iPort, Elan, PUSH and KNX smart home control systems

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Amplification

Line In, Speaker Out (Analog bypass on)

  • Continuous output power into 8 ohms and 4 ohms
  • >180W (ref. 20 Hz-20 kHz at rated THD, both channels driven)
  • THD (20 Hz – 20 kHz)
  • <0.02% (250 mW to 180 W, 8 ohms and 4 ohms)
  • Signal/Noise Ratio
  • >95 dB (A-weighted, 500 mV input, ref. 1 W out in 8 ohms)
  • Clipping power
  • 210W (at 1 kHz 0.1 % THD)
  • IHF dynamic power
  • 8 ohms: 217 W
  • 4 ohms: 400 W
  • 2 ohms: 506.4 W
  • Peak output current
  • >26 A (in 1 ohm, 1 ms)
  • Damping factor
  • >150 (ref. 8 ohms, 20Hz to 6.5kHz)
  • Frequency Response
  • ±0.3 dB (20 Hz – 20 kHz)
  • Channel Separation
  • >90dB (1 kHz)
  • >75dB (10 kHz)
  • Input sensitivity (for 180 W in 8 ohms)
  • Line In: 201 mV
  • Digital In: 10.25% FS

Preamplifier

Line Input, Pre Out (Analog bypass on)

  • THD (20Hz-20kHz)
  • <0.002 % at 2 V out
  • Signal/Noise Ratio
  • >106dB (IHF; A-weighted, ref. 500 mV out, unity gain)
  • Channel Separation
  • >100dB (1 kHz); >90 dB (10 kHz)
  • Input Impedance (R and C)
  • 56 kohms + 100 pF
  • Maximum Input Signal
  • >4.6 Vrms (ref. 0.1 % THD)
  • Output Impedance
  • Source Z + 320 ohms
  • Input Sensitivity
  • 65mV (ref. 500 mV out, Volume maximum)
  • Frequency Response
  • ±0.3 dB (20 Hz – 20 kHz)
  • Maximum voltage output – IHF load
  • >>5 V (ref. 0.1 % THD)

Phono

Phono Input, Pre Out (Analog bypass on)

  • THD (20Hz-20kHz)
  • <0.01% at 2 V out
  • Signal to Noise Ratio
  • >84dB (200 ohms source; A-weighted, ref. 500 mV out)
  • Input Impedance (R and C)
  • 46 kohms/100 pF
  • Input Sensitivity
  • 1.08mV (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)

Headphone

Line Input, Headphone Out (Analog bypass on)

  • THD (20Hz-20kHz)
  • <0.005% at 1V out
  • Signal/Noise Ratio
  • >107 dB (32 ohms loads; A-WTD, ref. 1V out, unity gain
  • Frequency Response
  • ±0.3 dB (20 Hz – 20 kHz)
  • Channel Separation
  • >62 dB at 1kHz
  • Output Impedance
  • 2.2 Ohms

General Specifications

  • Supports bit rate/sample rate
  • up to 24 bit/192 kHz
  • Frequency band
  • 2.402G- 2.480G
  • Maximum transmit power (dBm)
  • 7 dBm ± 2 dBm

Weight & Dimensions

  • Gross dimensions (W x H x D) **
  • 435 x 120 x 390mm
  • (17 1/8 x 4 3/4 x 15 3/8)”
  • Net Weight
  • 11.2kg (24.7lb)
  • Shipping Weight
  • 13.6kg (30lb)

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