Instruction manual

Impedance. Nominal impedance 8 ohms. Not greater than 30 ohms or less than 4 ohms
20 Hz to 9 k.Hz., the impedance minimum occurring in a frequency region of very low
music energy.
Plot of impedance of production sample of DM70.
Distortion. Harmonic analysis plotted against frequency
Content of 2nd. and 4th. Harmonics.
Content of 3rd. and 5th: Harmonics.
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