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  • Australian HiFi

    LABORATORY TEST REPORT

    Jul 20, 2020 5 minutes
    Steve Holding

    Newport Test Labs measured the power output of the McIntosh MA252 as being 130-watts (21.1dBW) per channel at 1kHz, both channels driven into 8Ω, which is clearly much better than McIntosh’s specification of 100-watts per channel. A good 1.1dB better, in fact. Measured power output into the same load, but with a low-frequency test signal (20Hz) dropped by 0.7dB to 121-watts/20.8dBW. Again, an excellent result that was better than specification.

    Measured into more demanding 4Ω loads, again with both channels driven, Newport Test Labs measured an output of 209-watts (23.2dBW) at 1kHz, with output again reducing very slightly at low frequencies, this time to 182-watts (22.6dBW) per channel at 20Hz. However, once again both these test results are higher than McIntosh’s own specification for a 4Ω load impedance, which is 160-watts per channel.

    You can see from the tabulated results that when just a single channel

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