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NAD C 245BEE

4-channel power amplifier

5 Reviews | 1 question - 1 answer

Item # 745C245BEE

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Overview

Our take on the NAD C 245BEE

This versatile, space-saving amp provides the superior sound and excellent value NAD is known for. Use it to power music zones in your multi-room audio system, bi-amp stereo speakers, or add surround channels to your home theater system.

Clean power for a range of applications

This versatile, space-saving amp provides the superior sound and excellent value NAD is known for. Use it to power music zones in your multi-room audio system, bi-amp stereo speakers, or add surround channels to your home theater system.

Handy hook-up options

With three turn-on options (front panel switch, 12V trigger control, or signal-sensing), this amp easily adapts to any type of installation. Multiple C 245BEEs can share the same input signal, giving you the capacity to configure music zones that perfectly suit your listening spaces.

It's all about sound quality

While its versatility sets it apart, the audio performance of C 245BEE is very much in line with the rest of NAD's Classic Series. The power supply features a custom toroidal transformer that minimizes noise and helps to control unwanted speaker cone movement. In the absence of background noise, the subtle details of your music emerge, enriching your listening experience.

What's in the Box:

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

Product Highlights:

  • 35 watts x 4 channels into 8 ohms (20-20,000 Hz) at 0.03% THD
  • bridged mode output is 70 watts x 2 channels into 8 ohms (20-20,000 Hz) at 0.02% THD
  • perfect for bi-amping stereo speakers, adding surround channels to a home theater system or powering music zones in a multi-room audio system
  • 4-ohm stable for use with a wide range of speakers
  • signal-to-noise ratio: 95 dB
  • 12-volt trigger/signal sensing input
  • high-current toroidal power transformer
  • two pairs of RCA preamp inputs let you play separate stereo sources in two zones
  • two pairs of custom gold-plated speaker binding posts
  • toroidal transformer
  • line-level 'loop through' outputs
  • detachable AC power cord
  • less than 1 watt standby power consumption
  • free of lead and other environmentally dangerous substances
  • weight: 19.6 lbs.
  • 17-1/8"W x 3-3/4"H x 13-1/2"D
  • warranty: 2 years
  • Our 60-day money-back guarantee
Reviews

NAD C 245BEE Reviews

Average Customer Review(s):

(5 Reviews)
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Details

Hands-on research

Product Research

Features
Controls
Connections
Specifications

Features

Overview: The C 245BEE is a flexible 4-channel amplifier, divided into two discrete 2-channel amps in one chassis (A and B). Each side is individually bridgeable, so it can be used to power four speakers, three speakers, or two speakers.

Discrete Inputs: The A and B channels have separate inputs; both also have Loop Through outputs for connecting another amplifier. The output is identical to the corresponding input.

Auto Turn-on: The C 245BEE can be turned on automatically one of two ways; +12 volt trigger from another component or by sensing an input signal. The automatic function can also be turned off so the amp is turned on/off manually using the front panel switch.

Controls

Rear Panel:

  • Bridge Mode: switch between stereo and mono amplifier output; the A and B channels have individual mode switches
  • 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 0.45" wide, and bare wire up to 12 gauge; there are four speaker outputs, A (left and right) and B (left and right)
  • Signal Inputs: two sets of stereo RCA inputs, A channels and B channels
  • Line Outputs: two sets of stereo RCA inputs, A channels and B channels; output is identical to the corresponding input
  • 12 Volt Trigger: 3.5mm jack; 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: 35 watts x 4 into an 8Ω or 4Ω load, 20 Hz - 20 kHz, no more than 0.03% THD, all channels driven simultaneously
  • Continuous Bridged Power: 70 Watts x 2 into an 8Ω load, 20 Hz - 20 kHz, no more than 0.02% THD
  • Dynamic Power:
    • 8Ω: 55 watts x 4
    • 4Ω: 85 watts x 4
    • 2Ω: 95 watts x 4
    • 8Ω Bridged: 160 watts x 2
    • 4Ω Bridged: 180 watts x 2
  • Rated THD (Total Harmonic Distortion): <0.03% (driving all channels 20 Hz - 20k Hz simultaneously at 8Ω)
  • Signal/Noise:
    • >95 dB (A-weighted, ref 1 watt)
    • >110 dB (A-weighted, ref 35 watt)
  • Damping factor: >180 (ref 8Ω, 50 Hz and 1 kHz)
  • Frequency response:
    • +/- 0.3 dB: 20 Hz-20 kHz
    • - 3 dB: 3 Hz-100 kHz
  • Input impedance: 20 kΩ + 470 pF
  • Input sensitivity: 270 mV (ref rated power)
  • Voltage gain: 35 dB
  • Power Requirement: AC 120V 60Hz
  • Power Consumption:
    • Normal Operation: 270 W
    • Standby: <1W
    • Idle: <55W
  • Weight: 16.1 lbs (7.3 kg)

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Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

A lot of positive from user reviews. [ KHUONG  Dec 09, 2015 ]

1 question already asked

hi david: sorry to say but ... i don't know ... i hired a local crew, whio i had wire my place during construction, do the actual install w/ all the hookups (i used anotherf NAD for my amp/tuner) ... i bought this to run the two speakers over our dining room table, and to use it (along w/ the rest of the speakers) i have to go to a seprarte "input" on the amp (where there are dedicated "inputs" for my smart TV, the cable box, PS4, etc., etc.) ... sorry i couldn't help more [ William  Jan 25, 2016 ]
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