LABORATORY TEST REPORT

Newport Test Labs measured the power output of the Musical Fidelity M8xi integrated amplifier as being 557-watts per channel (27.4dBW) into 8Ω, both channels driven at all three frequencies tested: 20Hz, 1kHz and 20kHz, so it’s safe to say the amplifier will deliver this output at any audio frequency. When just a single channel was driven, output power increased slightly (by 0.3dB) to 595-watts per channel. Since Musical Fidelity rates power output into 80 as 500-watts per channel, it comes in as ‘better than specification’ on this test.

When the Musical Fidelity M8xi was driving a single channel into 40 loads, the amplifier delivered 806-watts per channel (29.0dBw) at 1kHz and 20kHz, but this output reduced by 0.3dB to 754-watts per channel (28.7dBw) when both channels were driven and was somewhat lower when measured using a 20Hz test signal. The reason for the discrepancy between the