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NAD C 275BEE

Stereo power amplifier

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  • NAD C 275BEE

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Our take on the NAD C 275BEE

by Dave Bar
NAD

NAD designed the C 275BEE power amplifier from the ground up to deliver the best possible performance in its price range. With a conservative 150-watt-per-channel rating, this potent amp generates the kind of power you need to drive virtually any speaker system with ease. Match it with the NAD C 165BEE stereo preamplifier to create a sound system capable of impressive dynamics, musical detail, and transparency.

Advanced technology for stunning sound
The C 275BEE employs many of the same high-end features found on NAD's top-of-the-line Master Series components, including NAD's exclusive PowerDrive™ technology. This unique circuit automatically senses your speaker's impedance, then optimizes the amp's power supply settings to deliver the most dynamic power possible. This allows it to easily drive low-impedance loads, including many of today's high-end speakers, which often run closer to four ohms than eight. Plus, a patented distortion-canceling circuit in the amp's output stage ensures your music stays clean and pure.

Read more

A strong, vibration-resistant build
Along with all of its advanced technology, NAD gave the C 275BEE a big helping of good old-fashioned construction quality. This amplifier boasts a heavy-gauge steel chassis for added durability and vibration resistance. Its power supply, the heart of any amplifier, utilizes an interference-canceling toroidal transformer and heavy copper buss bars to channel enormous amounts of current to the custom gold-plated speaker binding posts. Additional premium-quality internal components — such as four pairs of discrete high-wattage output transistors per channel — allow the C 275BEE to handle prolonged high-power operation effortlessly.

Highlights:

  • 150 watts x 2 channels into 8 ohms (20-20,000 Hz) at 0.008% THD
  • 4-ohm stable for use with a wide range of speakers
  • signal-to-noise ratio: 102 dB
  • PowerDrive™ circuit with automatic speaker impedance sensing delivers maximum dynamic power output regardless of speaker load
  • switchable Soft Clipping™ circuit gently limits amplifier power output to reduce risk of speaker damage due to prolonged high volume operation
  • distortion-canceling circuit for high-accuracy sound
  • high-current toroidal power transformer
  • all-discrete circuitry with four pairs of high-wattage output transistors per channel
  • 1 pair RCA preamp inputs (switchable fixed or variable)
  • two pairs of custom gold-plated speaker binding posts
  • bridged mode for mono operation (330 watts x 1)
  • 12-volt trigger input
  • detachable AC power cord
  • <1W Standby Power Consumption
  • free of lead and other environmentally dangerous substances
  • weight: 32.2 lbs.
  • 17-1/8"W x 5-15/16"H x 16-1/16"D
  • warranty: 2 years
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
General
Number of Channels 2
Power Output per Channel (8 ohms) 150
Power Output per Channel (6 ohms) ---
Power Output per Channel (4 ohms) 150
Frequency Response 3-100k
THD 0.008%
Bridged Power per Channel 330 watts
Speaker Outputs 4
THX Certification No
Width (inches) 17-1/8
Height (inches) 5-15/16
Depth (inches) 16-1/16
Weight 32.2 pounds
Parts Warranty 2 Years
Labor Warranty 2 Years
Inputs & Outputs
Number of Inputs 1
Level Controls Yes
Speaker Connectors Binding Posts
Product Research
What's in the box?

Download owner's manual

  • Amplifier
  • 6' Power cord
  • Owner's manual (English/ French/ Spanish/ Italian/ German/ Dutch/ Swedish/ Russian)
  • Warranty information

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features
Controls
Connections
Specifications

Features

Soft Clipping: NAD's Soft Clipping circuit gently limits the output of the C 275BEE to minimize audible distortion when the amplifier is over-driven. While Soft Clipping can be left on at all times to reduce the likelihood of audible distortion from excessive volume settings, you can also turn the circuit off for critical listening if you prefer.

Bridgeable: The C 275BEE can be bridged to a single channel, more than doubling the power output. When bridged, the minimum recommended speaker impedance is 8Ω.

A/B Speaker Terminals: The amplifier features A & B speaker terminals to power two pair of loudspeakers. The amplifier supports 4Ω speakers when only one pair is connected, however, when two pair of speakers are connected a minimum impedance of 8Ω is recommended.

Input Select: A switch on the rear panel allows you to set the input to Fixed or Variable. In the fixed position the input signal is routed directly to the amplifier; typically used in single amp systems, or when multiples of the same amp are used. The variable position allows you to adjust the input level before amplification, useful when matching output levels in a multi-amp system, bi-amping speakers, or extending the volume control range of the preamp.

Auto Turn-on: The C 275BEE can be turned on automatically one of two ways; +12 volt trigger from another component or by sensing an input signal.

Controls

Rear Panel:

  • Input Select: choose Fixed or Variable (variable allows volume adjustment using the Input Level dial)
  • Input Level: rotary dial; adjusts volume to match another amplifier
  • Bridge Mode: switch between stereo and mono amplifier output
  • Soft Clipping: turn the Soft Clipping circuit on/off
  • Power: master power switch
  • +12V/Input Sensing: choose +12 volt trigger or signal sensing to automatically turn the amp on

Connections

Rear Panel:

  • Speakers: the speaker binding posts will accept single banana plugs, pin connectors, spade lugs up to 0.625" wide, and bare wire up to 10 gauge; there are four speaker outputs, A (left and right) and B (left and right); when powering two pair of speakers a minimum impedance of 8Ω is recommended
  • Signal Input: stereo RCA input jacks
  • 12 Volt Trigger: turn the amp on/off along with another device that has a +12 volt trigger output
  • AC Input: 2-pole IEC power input for use with included cord (or optional upgraded cord)

Specifications

Amplifier Section:

  • Continuous Power: 150 watts x 2 into an 8Ω or 4Ω load, 20 Hz - 20 kHz, no more than 0.008% THD, both channels driven simultaneously
  • Continuous Bridged Power: 330 Watts x 1 into an 8Ω load, 20 Hz - 20 kHz, no more than 0.02% THD
  • Dynamic Power:
    • 8Ω: 250 watts x 2
    • 4Ω: 410 watts x 2
    • 8Ω Bridged: 800 watts x 1
  • Rated THD (Total Harmonic Distortion): <0.008% (driving both channels 20 Hz - 20k Hz simultaneously at 8Ω)
  • Signal/Noise:
    • >102 dB (A-weighted, ref 1 watt)
    • >123 dB (A-weighted, ref 150 watt)
  • Damping factor: >180 (ref 8Ω, 50 Hz and 1 kHz)
  • Frequency response:
    • +/- 0.1 dB: 20 Hz-20 kHz
    • - 3 dB: 3 Hz-100 kHz
  • Input impedance:
    • Fixed: 10 kΩ + 200 pF
    • Variable: 100 kΩ + 100 pF
  • Input sensitivity: 1.2 volts (ref rated power)
  • Voltage gain: 29 dB
  • Power Requirement: AC 120V 60Hz
  • Power Consumption:
    • Normal Operation: 312W
    • Standby: <1W
    • Idle: <100W
  • Weight: 32.2 lbs (14.6 kg)
 
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NAD C 275BEE Reviews

Average Customer Review:

12 people say:

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Filter by rating:
5 out of 5

Great Amplifier

Written By Dr. Jim, Grand Island, NE on Saturday, May 03, 2014
Crutchfield Customer Review (What's this?)
 
This amplifier is a quality product with plenty of very clean power to do any system justice. I recommend it highly.
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5 out of 5

NAD convert

Written By Sled guy, New Hampshire on Wednesday, April 16, 2014
Crutchfield Customer Review (What's this?)
 
I recently added a NAD 275BEE to my NAD 758 to power the front Definitive 8060's. My home needs full power to fill the room. The combination of these units is flowing and incredible. The NAD's have a warmth and clarity that exceeds my expectations. The 275 is configurable to match the volume other speakers that are driven by the 758. The setup was easy, quick and works perfectly! After trying other amps, I am finally a "happy camper"!
1 out of 1 people found this helpful
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5 out of 5

Well Worth It!

Written By Brent, Lakeland, FL on Sunday, April 13, 2014
Crutchfield Customer Review (What's this?)
 
Researched 2-3 years to replace AMP I bought in 1985 at NATO exchange Naples. Hitachi 100 watts THD .0005 driving front Klipsch Heresys {100 wt. 300 peak} & rear Klipsch RF IIs {150/600}. I use no tone control and Digital DBX, not for expansion but Impact restoration for older recordings or those that need some Bass oomph. Around 80 watts highs blurred and sounded muddled. Was suggested I obtain a more powerful amp to increase headroom and have necessary power for speakers demands. It only took 3 songs and I new the NAD had found a home. Clarity of highs at volume outstanding. The speakers can breathe so much better now. Looked hard at ROTEL, Para sound, & Vincent. Totally stoked with purchase.
1 out of 1 people found this helpful
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5 out of 5

Nice Moderately Priced Stereo Amp

Written By EssDee, Frederick, MD on Thursday, February 13, 2014
Crutchfield Customer Review (What's this?)
 
When I needed to replace my aged Adcom amp, I was dismayed to see few offerings in the $750-1500 price point in "200"W stereo amps. Lots of mortgage-breaker stereo amps and gazillions of affordable multi-channel amps. Did some research and found a couple candidates, and the NAD rose to the top. I've paired to stereo output of an Integra preamp with input from Oppo 105d player and vintage Yamaha turntable w/ Signet 112E moving coil stylus and powering Thiel 2.2 floor standing speakers. Very clear sound even when pushed hard with high quality live recordings (Ry Cooder & Corridos Famosos) and various SACD and vinyl recordings. I was amazed at low heat emission.
Pros:
High quality, fairly priced, nice clean design Nice clean sound
Cons:
none other than not available in silver/aluminum finish
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5 out of 5

nice amp

Written By tridosko, castle rock co on Monday, February 03, 2014
Crutchfield Customer Review (What's this?)
 
Love this amp - what else can you say
Pros:
clean , warm sound with power to spare . Great value at the price point . Would certainly buy this one again ! Great combo with the NAD pre-amp
Cons:
not one complaint here
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5 out of 5

Clean sound

Written By KrisK, Los Angeles on Saturday, December 07, 2013
Crutchfield Customer Review (What's this?)
 
I've paired this with a Thorens 166 Turntable, a NAD 7240PE preamp to drive some new beautiful Spendor A 5 speakers. Very happy.
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5 out of 5

Works like a charm

Written By BobS, Gaithersburg MD on Sunday, July 21, 2013
Crutchfield Customer Review (What's this?)
 
Drives my Martin-Logan electrostatics flawlessly
Pros:
Excellet stability into capacitatve loas
Cons:
Canno be run in bridged mode into 4 ohm load
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3 out of 5

Open Box AMP not up to it

Written By Sorval, Davis, CA on Friday, October 05, 2012
Crutchfield Customer Review (What's this?)
 
I gave the product 3 stars just because of its excellent reputation. However, I bought an open box amp hoping to save a few bucks, but it never worked philosophically or physically. I bought the amp because I was starting to hear noise coming from the center channel of my 5.1 system (Integra 40.1 processor, 3 Adcom 545II amps, front channel Polk LSi 9's, rear channel Polk LSi 7's , center channel Polk LSi C, Velodyne subwoofer, and 2 Monster Power conditioners). So I was looking to replace the center channel amp with another good amp. Hence, I liked the NAD amp because the web site literature said it was bridgeable which would be perfect for a center channel application. However, when I got the amp and read the manual, it said bridging is strongly discouraged for anything lower than an 8 ohm speaker impedance do to over heating issues. All Polk speakers including the center channel are rated at 4 ohm. Not a good start. Well then, I decided to hook the amp up as my current set up, running in stereo mode with just one channel input and output to the center channel. Before any signal passed through the amp, it began clipping and its safety circuits cut all output. Put my old NAD 545 amp (bought in the 80's, a real work horse) back into the system and it worked fine, albeit, with the audible noise that had propted me to buy the NAD amp. Now NAD makes good products (that's why I bought it) so my conclusion was not be cheap and buy open box items.
3 out of 17 people found this helpful
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5 out of 5

NAD C 275BEE is an excellent choice

Written By PaulS, Joliet, IL on Wednesday, July 18, 2012
Crutchfield Customer Review (What's this?)
 
I bought the NAD amp to replace my very old Phase Linear 400 which finally died. I am completely satisfied with the NAD. The amp is well built, looks great and sounds fantastic. After connecting the amp I liked the sound immediately. I noticed a huge improvement in my system's clarity and the NAD has given me a new appreciation of my stereo . I highly recommend this unit.
3 out of 3 people found this helpful
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5 out of 5

NAD C 275BEE

Written By DanH, Hamilton, NJ on Wednesday, March 28, 2012
Crutchfield Customer Review (What's this?)
 
In the process of revamping my system I sadly found that my Denon POA-2200, that I purchased back in 1987, had gone on the fritz. I had just recently purchased the NAD C 165BEE preamp so I opted to purchase its sister amp, the NAD C 275BEE. I honestly could not be happier with this combination. I have the amp driving a pair of Klipcsh RB61 bookshelves and with this combo you would swear you were listening to a pair of 80Lb floor standing units. Crisp highs and midrange and surprisingly thunderous lows for speakers this size. Sound is clean and clear at all volumes, cd's and vinyl.
Pros:
Everything, especially the price.
Cons:
none
2 out of 3 people found this helpful
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5 out of 5

cant do better

Written By dj, pensacola, fl. on Wednesday, May 18, 2011
Crutchfield Customer Review (What's this?)
 
useing this to power 2 JBL 880 speakers. At half volume the speakers sound like they are ready to explode. but thats what you want this kind of power will give you very clean loud power without maxing the volume. A little pricey but if you look at there high end units at over 3000 it is a real deal
4 out of 6 people found this helpful
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5 out of 5

Very happy with my NAD C275BEE

Written By CW, Orlando, FL on Thursday, March 04, 2010
Crutchfield Customer Review (What's this?)
 
I replaced my old Sony N80ES power amp and immediately noticed a big difference. I have it paired with an Onkyo TXNR807 AV Receiver and high quality speakers and am very happy with the result. This amp does my speakers justice. The unit is of sleek design and doesn't generate anywhere near the heat my old Sony did.
12 out of 13 people found this helpful
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For a more in-depth review and enhanced detailed information on the NAD C 275BEE, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_745C275BEE/NAD-C-275BEE.html ).