NAD C298 Stereo Power Amplifier

Item #NAD:C298
NAD Item # C 298

NAD C298 Stereo Power Amplifier

$2,399.00
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Overview

NAD has introduced some of the most innovative amplifier technology in its nearly 50-year history, starting with the 3020 on through such cutting edge models as the 2200, the 208, and the M2. Now they are making the amazing new Eigentakt™ (self-clocking) technology, recently introduced to the world in the EISA Award-winning Masters M33, available to a wider audience with the very affordable C 298. The perfect companion for the C 658 BluOS Streaming DAC preamplifier.

Getting the Basics Right

NAD's line inputs, both Balanced and Single-ended, can accommodate all kinds of analog source components by offering ideal input impedance characteristics with linear ultra-low-noise buffer amplifiers to prevent any sonic degradation caused by inappropriate loading of the source device. These are all details you can hear.

Sophisticated Power

Nad has developed better performing circuits based on switch mode power supplies and Class D output stages. Once thought to be inferior to traditional topologies, NAD’s advanced work in this area has created some of the best performing amplifiers regardless of basic design principles. These new designs are very linear over a wide bandwidth and provide consistent performance into all speaker loads, providing a dramatic advance over previous models. The generously dimensioned power supply easily allows for 185 watts continuous and over 570 watts instantaneous power for short term musical transients. Innovative Asymmetrical Power-Drive fully utilizes every last watt available with its vast reserves of dynamic power available to accurately reproduce musical transients without distortion or compression. It can operate with any AC mains voltage from 100V to 240V and provides pure DC power to all the various stages of the C 298. This highly efficient supply also provides near perfect regulation of voltage across a wide range of conditions and provides a solid noise-free foundation for the amplifying stages.

Purifi ‘Eigentakt’ Amplifier Technology

Purifi is a Danish technology company that has brought together several of the industry’s leading engineers to apply advanced mathematical modeling to solve the last remaining limitations of audio amplifiers. While there are many good sounding amplifiers on the market today, Purifi has taken a fresh look at every aspect of amplifier performance and found many seemingly small non-linearities that can make a dramatic difference in the overall sound. This return to first principles has resulted in a stunningly simple approach to some remarkably complex problems. With features and technology unmatched by other amplifiers in its class, the C 298 amplifier is an easy upgrade for any system and a surprising partner for the most sophisticated and advanced loudspeakers on the market. The Eigentakt modules are manufactured by NAD under license from Purifi, allowing NAD to optimize these specifically in combination with the custom-designed power supply and input stages of the C 298.

Details & Specs

ANALOG AUDIO INPUT/LINE OUT

THD (20 Hz – 20 kHz) - <0.0005 % at 2V out

Signal-to-Noise Ratio - >120 dB (IHF; 20 Hz – 20 kHz, ref. 2V out)

Channel separation - 

  • >110 dB (1 kHz)
  • >100 dB (10 kHz)

Input impedance (R and C) -

  • Single-ended: 56 kohms + 280 pF
  • Balanced: 56 kohms +280 pF

Maximum input signal - >7.0 Vrms (ref. 0.1 % THD)

Output impedance - 390 ohms

Frequency response - ±0.1 dB (20 Hz - 20 kHz)

Maximum voltage output -IHF load - >7.0 V (ref. 0.1 % THD)

ANALOG AUDIO INPUT/SPEAKER OUT

Rated output power into 8 Ohms and 4 ohms(Stereo mode) 80 W (ref. 20 Hz-20 kHz at rated THD, both channels driven) -

  • 185 W at 8 ohms
  • 340 W at 4 ohms

Rated output power into 8 Ohms (Bridge mode, ref. 20 Hz-20 kHz at rated THD, both channels driven) - 620 W at 8 ohms

THD (20 Hz – 20 kHz) - <0.005 % (1 W to 185 W, 8 ohms and 4 ohms)

Signal-to-Noise Ratio -

  • >98 dB (A-weighted, 500 mV input, ref. 1 W out in 8 ohms)
  • >120 dB (A-weighted, ref. 185 W out in 8 ohms)

Clipping power (Stereo mode, at 1 kHz 0.1 % THD) - >200 W

Clipping power (Bridge mode, at 1 kHz 0.1 % THD) - >690 W

IHF dynamic power (Stereo mode, at 1 kHz 1 % THD) -

  • 8 ohms: 260 W
  • 4 ohms: 490 W
  • 2 ohms: 570 W

IHF dynamic power (Bridge mode, at 1 kHz 1 % THD) -

  • 8 ohms: 1000 W
  • 4 ohms: 1100 W

Peak output current - >25 A (in 1 ohm, 1 ms)

Standby power - <0.5 W

Damping factor - >800 (ref. 8 ohms 20 Hz – 6.5 kHz)

Frequency response -

  • ±0.2 dB (20 Hz - 20 kHz)
  • -3 dB at 60 kHz

Channel separation -

  • >100 dB (1 kHz)
  • >80 dB (10 kHz)

Stereo Mode input sensitivity (for 185 W in 8 ohms) -

  • Fixed Gain mode: 1.43 V

Stereo Mode Gain Line In – Balanced and Single-ended -

  • Fixed Gain mode: 28.6 dB
  • Variable Gain mode: 8.5 dB – 28.5 dB

Bridge Mode Sensitivity Line In – Balanced and Single-ended -

  • Fixed Gain mode: 3.78 V for 620 W in 8 ohms
  • Variable Gain mode at maximum: 1.41 V for 620 W in 8 ohms

Bridge Mode Gain Line In – Balanced and Single-ended -

  • Fixed Gain mode: 25.4 dB
  • Variable Gain mode: 14.5 dB – 34.5 dB

DIMENSIONS

Gross dimensions (W x H x D) - 17 1/8 x 4 3/4 x 15 3/8 inches

More Information
UPC 786357001388
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87% 4.4 / 5 - 1 reviews
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