Precise Measurement of Large Dynamic Response Characteristics of Audio Networks
Measurements at audio frequencies are complicated by the pressure of harmonics generated at the signal source, by harmonics produced in the network under test if the signal level is too high, and by problems from noise and hum if a signal level low enough to avoid harmonics is used. Various solutions are discussed. A single instrument is described which provides facilities that solve all phases of the problem of the precise measurement of the characteristics of audio networks.
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