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NAD Electronics C326BEE Stereo Integrated Amplifier

Model: C 326BEE   EAN: 5703120230214
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Product Information

C 326BEE Stereo Integrated Amplifier

The NAD C 320 series of amplifiers have always punched far above their modest weight. Combining the highest levels of audio engineering with an extensive feature list, and more than adequate power for all but the most ambitious systems, the C 326BEE keeps the concept of affordable hi-end alive and well. With the very high dynamic power and low impedance drive capability of NADs proprietary PowerDrive circuit, the C 326BEE is able to accurately control even difficult to drive loudspeakers while sounding musical, detailed, coherent and relaxed.

The C 326BEE is the latest in NADs range of affordably priced, yet very high performance Stereo Integrated Amplifiers. Neatly slotted in between their most affordable C 315BEE and more powerful C 355BEE, the C 326BEE boasts many upgrades and refinements taken directly from the highly acclaimed NAD Masters Series M3 Amplifier. These include application of Bjorn Erik Edvardsens innovative and patented Distortion Canceling Circuit in the output stage and BEE Clamp in the power supply. An improved tone control circuit and revised PCB layout has reduced distortion and noise to unprecedented levels. Taken together, these improvements mark a sharp upturn in performance that must be heard to be fully appreciated!


C 326BEE Highlights:

  • 50W x 2 Continuous Power into 4 ohms and 8 ohms
  • 100W, 150W, 200W IHF Dynamic power into 8, 4 and 2 ohms, respectively
  • PowerDrive circuit
  • NAD SR 8 Full System Remote control
  • Headphone socket
  • Front panel Media Player (MP) input for attaching portable MP3 Player
  • Relay Input Switching
  • Holmgren Toroidal Power transformer
  • 7 Line inputs, including two tape in/outs
  • All discrete circuitry Short signal path from input to output
  • All sockets Gold plated
  • Tone controls defeat switch
  • Main-amp input & pre-amp outputs
  • Subwoofer (mono) Out
  • Soft Clipping
  • IR Input/Output
  • 12 volt trigger out
  • Detachable IEC Power Cable
  • <1W Standby Power Consumption
  • Free of lead and other environmentally dangerous substances

The C 326BEE Stereo Integrated Amplifier received a stunningly positive Five-Star review in What Hi-fi? Sound and Vision. C 326BEE Stereo Integrated Amplifier "as the heart of a budget set-up, the NAD delivers such an enjoyably flowing, supple and dynamic performance that we don't hesitate to give it five stars." - What Hi fi? Sound and Vision, March 2009


C 326BEE Features:

General Overview

  • The C 326BEE is fully remote controlled and comes supplied with the NAD SR 8 system remote control. The remote control features an ergonomic form, with large buttons that are differentiated by shape and position, to make operation intuitive and enjoyable. The SR 8 will also operate many other NAD products such as CD players, tuners, etc. Flexibility is another NAD strong point. The C 326BEE has 7 line inputs and the pre-amplifier section can be separated from the power amplifier for easy upgrades or adding ancillary equipment. Thus the C 326BEE can be expanded to meet future system needs.
  • The C 326BEE sports a pre-amp output: Many systems benefit from the use of multiple power amplifiers for Bi-Amping (using separate power amplifiers to drive the bass and treble section of a loudspeaker). Additionally, there are two monophonic Subwoofer OUT that can be connected to powered subwoofers - an increasingly popular option.
  • For remote on/off switching of ancillary components in a system, such as power amplifiers or active speakers, the C 326BEE is equipped with a 12V-trigger system. When switching the amplifier on, the 12V-trigger output is also activated which in turn can activate a 12V-trigger input switching on the remote devices. Besides the 12V-trigger, the C 326BEE also has rear panel IR IN and OUT.
  • It is fashionable to omit tone controls nowadays: However, provided that the tone controls are properly designed, they can be really useful tools in making improvements to the overall sound. The C 326BEE tone controls only work at the frequency extremes leaving the critical mid-band essentially unaltered. The tone control circuits can be completely bypassed by using the Tone Defeat control button. The C 326BEE also incorporates NADs acclaimed switchable Soft Clipping circuit, which significantly reduces the risk of damage to loudspeakers due to prolonged high power operation.

Design: PowerDrive

  • The C 326BEE also benefits from NADs proprietary PowerDrive circuit topology, now well established and used throughout the NAD product range. The PowerDrive topology allows the C 326BEE to deliver maximum performance under virtually any circumstance, independent of the loudspeakers it is driving. The circuitry automatically senses the impedance characteristics of the loudspeaker and will then adjust its power supply settings to best cope with that specific load. PowerDrive topology is a practical approach to enable an amplifier to easily deal with musical dynamics and difficult speaker loads. Thus they have the highly desirable characteristics of high dynamic power and low impedance drive capability in one affordable package.
  • The C 326BEE has the lowest levels of distortion and noise available in its price class and is easily capable of embarrassing far more expensive products. To prove it, NAD uses Full Disclosure Power (FDP) - the most demanding criteria for performance measurement. FDP specifies distortion under the most extreme conditions of low impedance loads and frequency extremes rather than the simple and easy 1kHz @ 8 Ohms test quoted by many of their competitors. They use this stricter performance criterion because it more closely matches the demands of real music and real loudspeakers. Maintaining specified distortion at 4 Ohms and at 20Hz and 20kHz is several orders of magnitude more difficult to achieve than the simple 8 Ohms and 1kHz test.
  • NAD also takes a stand against the meaningless brochure power touted by many of their competitors by offering Full Disclosure power specs. They specify minimum continuous power, across the entire audible range of frequencies, at rated distortion, for both 8 and 4 Ohms with all channels driven simultaneously. Perhaps even more importantly, they also specify Dynamic Power at 8, 4, and even 2 Ohms, which better describes the way the amplifier will perform in the real world, with musical signals and reactive loudspeaker loads.

Less Distortion = More Music

  • Noise and distortion mask the fine details of a musical recording robbing musical texture and dimension and replacing them with non-musical artifacts. NAD has spent the last 35 years perfecting their designs to have the lowest distortion and highest power in its price class. This cannot be overstated! Their competitors often rate distortion at only 80% of rated power, and even then cant match their very conservative spec of 0.009% at any frequency within the range of human hearing. Their noise spec is often 10dB (100 times!) less than that of competing amplifiers. This is far from a trivial difference as fine detail and nuance (micro dynamics) are often obscured by noise in lesser amplifiers, robbing a performance of that illusive sense of realism. It is that exciting feeling of being there at the live performance.
  • But even the most carefully reported specs cannot fully describe the sonic performance of an amplifier. Only your own ears can finally judge their achievement. They urge you to listen and compare NAD to other products in its price range, and even higher. They don't think you'll find anything that comes close to offering the C 326BEEs overall musical satisfaction, well-rounded performance, and stellar value for money.


C 326BEE Specifications:


  • THD (2V in 2V out, CCIF IMD, DIM 100): >0.004% (ref. 20Hz – 20kHz)
  • Signal/Noise ratio IHF:
    • >100dB (A-weighted, ref. 500mV)
    • >108dB (A-weighted, ref. 2V, Volume maximum)
    • >92dB (A-weighted, ref. 100mV in 100mV out - unity gain)
  • Channel separation
    • 1kHz: >80dB
    • 10kHz: >70dB
  • Input impedance (R and C): 100k ohms + 320pF
  • Maximum input signal: >8V rms (ref. 0.1 THD)
  • Output impedance
    • Pre out: 75 ohms
    • Tape out: Source Z + 1kHz
  • Input sensitivity: 159mV (ref. 500mV out)
  • Frequency response:
    • +/ 0.1dB (ref. 20Hz - 20kHz, Tone defeat ON)
    • +/ 0.5dB (ref. 20Hz - 20kHz, Tone defeat ON)
  • Maximum voltage output:
    • IHF load: >10V (ref. 0.03% THD)
    • 600 ohms load: >10V (ref. 0.03% THD)
  • Tone Controls
    • Treble: +/ 5dB at 10kHz
    • Bass: +/ 8dB at 100Hz

Power Amplifier (Main IN, Speaker OUT)

  • Continuous output power into 8 ohms and 4 ohms (Stereo):
  • Rated THD (CCIF IMD, DIM 100)
  • Clipping power
  • IHF dynamic power
    • 8 ohms:
    • 4 ohms:
    • 2 ohms:
  • Peak output current
  • Signal/Noise ratio
    • >100dB (A-weighted, ref. 1W)
    • >117dB (A-weighted, ref. 150W)
  • Damping factor: >100 (ref. 8 ohms, 50Hz and 1kHz)
  • Frequency response: +/ 0.1dB (ref. 20Hz - 20kHz), 3Hz – 70kHz (ref. -3dB)
  • Input impedance: 20k ohms + 1nF
  • Input sensitivity: 630mV (ref. rated power)
  • Voltage gain: 29dB
  • Headphone output impedance: 68 ohms
  • Channel separation
    • 1kHz: >80dB
    • 10kHz: >70dB
  • Trigger Out
    • Output resistance: <100 ohms
    • Output current: 50mA
    • Output voltage: +12V

Overall - CD IN, Speaker OUT

  • THD (250mW to rated power, CCIF IMD, DIM 100): <0.009% (ref. 20Hz - 20kHz)
  • Signal/Noise ratio: >94dB (A-weighted, ref. 1W), >110dB (A-weighted, ref. 50W, volume set for 2V input)
  • Frequency response: +/ 0.2dB (ref. 20Hz - 20kHz, Tone Defeat ON) 10Hz – 65kHz (ref. -3dB)
  • Channel separation:
    • 1kHz: >80dB
    • 10kHz: >70dB


  • Rated power: 290W (ref. 230V AC 50 Hz; 120V AC 60Hz)
  • Standby power: <1W
  • Idle power: <35W


  • Dimensions (W x H x D):
    • Net: 17 1/8” x 4” x 11 1/4”
    • Gross: 17 1/8” x 12 1/2” x 13”
    • Weight: 15.21 lbs (6.9 kg)

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