This item has been sold
Item Category:	Power Amplifiers
Make:	McIntosh
Model:	MC402
Age:	2 years 0 months
Condition (?):	10/10
Voltage:	230V 50Hz
Price New (if known):	£ 8500
Choice Hi-fi price:	£ 3850
Conditions of payment:	Fixed
Image ( actual ) : click on the image to view original size
Image ( actual ) : click on the image to view original size

Additional Details:

For Sale if my McIntosh MC402 Power Amplifier in mint condition complete with original manual and Packaging.



Producing a minimum 400 watts per channel in stereo, 800 watts in mono, the MC402 delivers power that is fully balanced from input to speaker output. The extraordinary quad-differential design of the MC402 actually consists of four complete amplifier circuits. Each channel contains two amplifier circuits, each the mirror image of the other, whose outputs are combined in the unique McIntosh Output Autoformer® resulting in totally balanced operation from input to speaker output and the cancellation of virtually all noise and distortion. The exclusive McIntosh Output Autoformer® is a handcrafted matching device that provides an ideal impedance match for all speaker types regardless of their rated impedance. Any departure from an optimum impedance match increases stress on the amplifier which threatens a rise in distortion as well as a reduction in the life expectancy of the amplifier. McIntosh Output Autoformers® enable the MC402 to operate at maximum efficiency and to always deliver full power, without stress, to any type of loudspeaker.



Specifications

Power Output Stereo

Minimum sine wave continuous average power output per

channel, all channels operating is:

400 watts into 2 ohm load

400 watts into 4 ohm load

400 watts into 8 ohm load

Power Output Mono Parallel

Minimum sine wave continuous average power output is:

800 watts into 1 ohm load

800 watts into 2 ohm load

800 watts into 4 ohm load

Output Load Inpedance

2, 4 or 8 ohms (Stereo Mode)

1, 2 or 4 ohms (Mono Mode)

Rated Power Band

20Hz to 20,000Hz

Total Harmonic Distortion

Maximum Total Harmonic Distortion at any power

level from 250 milliwatts to rated power output is

0.005%

Intermodulation Distortion

Maximum Intermodulation Distortion if instanta-

neous peak output per channel does not exceed

twice the rated output, for any combination of fre-

quencies from 20Hz to 20,000Hz, with all channels

operating is 0.005%

Dynamic Headroom

2.1dB

Frequency Response

+0, -0.25dB from 20Hz to 20,000Hz

+0, -3dB from 10Hz to 100,000Hz

Sensitivity

2.0 Volts Unbalanced Input

4.0 Volts Balanced Input

A-Weighted Signal To Noise Ratio

94dB Unbalanced (120dB below rated output)

98dB Balanced (124dB below rated output)

Input Impedance

10,000 ohms Unbalanced Inputs

20,000 ohms Balanced Inputs



http://www.drhifi.net.au/Used%20Equipment/McIntosh/MC402/MC402.pdf



http://www.audioreview.com/cat/amplification/amplifiers/mcintosh/mc402/prd_347917_1583crx.aspx

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