User Manual

is determined that the speaker has malfunctioned, and the indicator will light.
If the specified value is exceeded, it might be that the connection is open, such as due to a broken
cable.
◦ IMPEDANCE [Low Threshold] knob/indicator
Specifies the lower threshold of impedance that is measured. If the measurement drops below the
specified value, it is determined that the speaker has malfunctioned, and the indicator will light.
If the measurement drops below the specified value, it might be that the resistance has dropped
due to a shorted coil, etc.
16. Power Amplifiers : PC-series
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