Stereo Power Amplifier

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.

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Tons of Power for Every Situation

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

Fixed IN, Speaker OUT

Continuous output power into 8 Ohm and 4 Ohm (both channels driven)     >150W (ref. rated THD, 20Hz – 20kHz)
Continuous output power into 8 Ohm (Mono, Bridge mode)     >330W (ref. 20Hz – 20kHz, (Mono, Bridge mode) <0.02% THD)
Rated THD (250mW to rated power, CCIF IMD, DIM 100)    <0.008% (ref. 20Hz – 20kHz)
Clipping power (4 Ohm and 8 Ohm)     >170W (ref. 1kHz 1% THD)
IHF Dynamic Power
8 Ohm    250W
4 Ohm     410W
2 Ohm     600W
IHF dynamic power (Bridge mode)
8 Ohm     800W
4 Ohm    1200W
Peak output current     >50A (ref. 1 Ohm, 1ms)
Signal/Noise ratio     >102dB (A-weighted, ref. 1W), >123dB (A-weighted, ref. 150W)
Damping factor     >180 (ref. 8 Ohm, 50Hz and 1kHz)
Frequency response     ±0.1dB (ref. 20Hz – 20kHz), 3Hz – 100kHz (ref. -3dB)
Input impedance (Fixed IN)     10 kilohm + 200pF
Input impedance (Variable IN)     100 kilohm + 100pF
Input Sensitivity     1.2V (ref. rated power)
Voltage gain     29dB
Minimum input level for AUTO TRIGGER     10mV at 1kHz
Time to power OFF at no signal in AUTO mode     <10 minutes

Power Consumption

Normal operation     312W (ref. 230V AC 50Hz; 120V AC 60Hz)
Standby power     <1W
Idle power     <100W

Weight & Dimensions

Dimensions (W x H x D)

Net     435 x 133 x 352mm, 17 1/8” x 5 1/4” x 13 3/4”
Gross*     435 x 150 x 396mm, 17 1/8” x 6” x 15 3/8”
Net weight     32.2 lbs (14.6 kg),
Shipping weight     37.3 lbs (16.9 kg)