Mosfet Audio Amplifier 70 Watt

Saturday, 27 March 2010


Distortion measurement.
Harmonic distortion, measured at 300mV rms input.
The 20Hz figures are not very accurate, maybe plus or minus 10dB.

Frequency....2nd-harmonic....3rd harmonic
20Hz............-114dB............-124dB
1kHz............-116dB............-129dB
5kHz............-107dB............-116dB
7.5kHz..........-106dB
10kHz...........-102dB

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