NAD Stereo Power Amplifier - C 275BEE

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When it comes to an NAD product, the utmost attention to detail is paid. From the heavy gauge steel chassis to the advanced power supplies and copper buss bars, the C 275BEE represents all that NAD stands for. Equipped with NAD’s ATOLogic circuit, which includes both a 12V-trigger system and signal-sensing power-on option, this extra level of flexibility makes it easy to integrate the C 275BEE into any control system. The C 275BEE also benefits from NAD’s PowerDrive™ circuit topology, which allows the C 275BEE to deliver maximum performance under various circumstances. Delivering a well-rounded, mesmerizing performance, the C 275BEE will let you hear your music the way it was meant to be heard.


The C 275BEE boasts many upgrades and refinements taken directly from the highly acclaimed NAD Masters Series M3 Amplifier. These include the application of Bjorn Erik Edvardsen’s innovative and patented Distortion Canceling Circuit in the output stage and BEE Clamp in the power supply. A carefully engineered PCB layout has reduced distortion and noise to unprecedented levels. Taken together, these improvements mark a sharp upturn in performance that simply must be heard to be fully appreciated.


  • 2 x 150W Continuous Power into 4 Ohms and 8 Ohms
  • 250W, 410W, 600W IHF Dynamic power into 8, 4 and 2 Ohms, respectively
  • PowerDrive™ circuit
  • Holmgren Toroidal Power transformer
  • All discrete circuitry
  • Class A Voltage Stages
  • Distortion Canceling Circuit
  • BEE Anti-saturation Clamp
  • Short signal path from input to output
  • All sockets Gold-plated
  • Soft Clipping™
  • ATOLogic 12 volt trigger/ signal sensing input
  • Detachable IEC Power Cable
  • <1W Standby Power Consumption
  • Free of lead and other environmentally dangerous substances
Time to power OFF at no signal in AUTO mode<10 minutes
Power Consumption
Normal operation312W (ref. 230V AC 50Hz; 120V AC 60Hz)
Voltage gain29dB
Minimum input level for AUTO TRIGGER10mV at 1kHz
Input Sensitivity1.2V (ref. rated power)
Input impedance (Variable IN)100 kilohm + 100pF
Input impedance (Fixed IN)10 kilohm + 200pF
Frequency response±0.1dB (ref. 20Hz – 20kHz),3Hz – 100kHz (ref. -3dB)
Damping factor>180 (ref. 8 Ohm, 50Hz and 1kHz)
Signal/Noise ratio>102dB (A-weighted, ref. 1W),>123dB (A-weighted, ref. 150W)
Signal/Noise ratio>102dB (A-weighted, ref. 1W)
Peak output current>50A (ref. 1 Ohm, 1ms)
IHF dynamic power (Bridge mode) - 4 Ohm1200W
IHF dynamic power (Bridge mode) - 8 Ohm800W
IHF Dynamic Power - 2 Ohm600W
IHF Dynamic Power - 4 Ohm410W
IHF Dynamic Power - 8 Ohm250W
Clipping power (4 Ohm and 8 Ohm)>170W (ref. 1kHz 1% THD)
Rated THD (250mW to rated power, CCIF IMD, DIM 100)<0.008% (ref. 20Hz – 20kHz)
Continuous output power into 8 Ohm (Mono, Bridge mode)>330W (ref. 20Hz – 20kHz, (Mono, Bridge mode) <0.02% THD)
Continuous output power into 8 Ohm and 4 Ohm (both channels driven)>150W (ref. rated THD, 20Hz – 20kHz)
Net weight32.2 lbs (14.6 kg)
Shipping weight37.3 lbs (16.9 kg)
Dimensions (W x H x D) - Gross*435 x 150 x 396mm, 17 1/8” x 6” x 15 3/8”
Dimensions (W x H x D) - Net435 x 133 x 352mm, 17 1/8” x 5 1/4” x 13 3/4”
Power Consumption
Idle power<100W
Standby power<1W